Providers Carol Guarnieri, FNP-BC to Leah Guba
300 individual NPIs in the federal registry, part 8,424 of 24,427 of the A to Z by surname. Each row is the registry's record: the name and credential, the NPI, the primary specialty, the practice city and the year the NPI was issued. 90 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Carol Guarnieri, FNP-BC | 1457643249 | Family Nurse Practitioner | Scottsdale, AZ | 2011 |
| Carolyn Guarnieri, AU.D., CCC-A | 1083913750 | Audiologist-Hearing Aid Fitter | Orlando, FL | 2011 |
| Christine Guarnieri, SLP | 1639379415 | Speech-Language Pathologist | Boxford, MA | 2007 |
| Christopher Guarnieri | 1154599371 | Occupational Therapist | Naugatuck, CT | 2008 |
| David Guarnieri, PSY.D. | 1528122488 | Clinical Psychologist | Berkeley, CA | 2006 |
| David Guarnieri, MD | 1629048277 | Anesthesiology Physician | Phoenix, AZ | 2006 |
| Dulio Guarnieri, MD | 1285614289 | Physical Medicine & Rehabilitation Physician | Princeton, WV | 2006 |
| Erin Guarnieri, FNP, B.C. | 1093470536 | Family Nurse Practitioner | Upton, MA | 2021 |
| Frank Guarnieri, M.D. | 1609803238 | Hospitalist Physician | Damariscotta, ME | 2006 |
| Gina Guarnieri, DPT | 1174205371 | Physical Therapist | Washington, PA | 2023 |
| Giovanna Guarnieri, LMSW | 1649931080 | Clinical Social Worker | New York, NY | 2022 |
| Jeanne Guarnieri, LRC | 1497191837 | Professional Counselor | Manville, NJ | 2013 |
| Jessica Guarnieri, BS, RDH | 1821558263 | Dental Hygienist | Hartford, CT | 2019 |
| Jodi Guarnieri | 1114337185 | Registered Nurse | Warren, OH | 2014 |
| John Guarnieri | 1457995029 | Athletic Trainer | Northfield, NH | 2019 |
| John Guarnieri, D.C. | 1588808711 | Chiropractor | Forty Fort, PA | 2009 |
| Johnstuart Guarnieri, MD | 1215025200 | Plastic Surgery Physician | Williamsburg, VA | 2006 |
| Joseph Guarnieri, M.D. | 1033165451 | Ophthalmology Physician | Marrero, LA | 2006 |
| Joseph Guarnieri, DC | 1639336266 | Chiropractor | Delray Beach, FL | 2008 |
| Judith Guarnieri, CRNP | 1528497054 | Nurse Practitioner | Philadelphia, PA | 2013 |
| Katharine Guarnieri, M.D. | 1548624430 | Pediatric Allergy/Immunology Physician | Cincinnati, OH | 2016 |
| Kathleen Guarnieri, MD | 1942270756 | Anesthesiology Physician | Phoenix, AZ | 2006 |
| Kenneth Guarnieri, M.D. | 1679547830 | Internal Medicine Physician | Webster, MA | 2006 |
| Kenya Guarnieri, PHD, NCSP | 1205230919 | School Psychologist | Tacoma, WA | 2014 |
| Liane Guarnieri, CNM | 1417553975 | Advanced Practice Midwife | Alexandria, VA | 2020 |
| Lisa Guarnieri | 1487931846 | Pharmacist | Powder Springs, GA | 2011 |
| Louis Guarnieri, DC | 1386631638 | Chiropractor | Forty Fort, PA | 2005 |
| Malachi Guarnieri | 1811835051 | Student in an Organized Health Care Education/Training Program | Cleveland, OH | 2026 |
| Marie Guarnieri | 1215288675 | Speech-Language Pathologist | Sleepy Hollow, NY | 2012 |
| Melissa Guarnieri, REGISTERED NURSE | 1760223580 | Community Health Registered Nurse | Bunnell, FL | 2024 |
| Michael Guarnieri | 1821942236 | Physical Therapist | Upton, MA | 2026 |
| Michael Guarnieri, M.D. | 1851627004 | Student in an Organized Health Care Education/Training Program | San Francisco, CA | 2009 |
| Michelle Guarnieri, RDN, LDN | 1710534102 | Registered Dietitian | Mc Lean, VA | 2019 |
| Nancy Guarnieri, D.C | 1508166703 | Chiropractor | Forty Fort, PA | 2010 |
| Peter Guarnieri, D.C. | 1487697900 | Chiropractor | Elmira, NY | 2006 |
| Rachael Guarnieri | 1407320864 | Physical Therapy Assistant | Whitesboro, NY | 2019 |
| Salvatore Guarnieri, DDS | 1659490480 | General Practice Dentistry | Pittsford, NY | 2007 |
| Sam Guarnieri, DMD | 1851418214 | General Practice Dentistry | Leesburg, FL | 2007 |
| Sara Guarnieri, PA-C | 1336632751 | Physician Assistant | Hackensack, NJ | 2018 |
| Thomas Guarnieri, M.D. | 1275536591 | Clinical Cardiac Electrophysiology Physician | Towson, MD | 2005 |
| Tyler Guarnieri, M.S. OTR/L | 1588319883 | Occupational Therapist | Rochester, NY | 2022 |
| Lynn Guarnieri Price, DMD | 1114185360 | General Practice Dentistry | Lexington, KY | 2008 |
| Christina Guarniero | 1154100352 | Behavior Technician | Cortlandt Manor, NY | 2023 |
| Michelle Guarnizo, APN | 1467115592 | Psychiatric/Mental Health Nurse Practitioner | Cherry Hill, NJ | 2021 |
| Maria Guarnizo Ortiz, DO | 1760061196 | Internal Medicine Physician | Indianapolis, IN | 2021 |
| Louis Guarno, R.PH. | 1659336741 | Pharmacist | Key West, FL | 2006 |
| Margueritte Guarno, OTR/L | 1508292129 | Occupational Therapist | Little Rock, AR | 2013 |
| Matthew Guarno, CRNA | 1255667911 | Certified Registered Nurse Anesthetist | Bethlehem, PA | 2009 |
| Olivia Guarno, REGISTERED NURSE | 1073086518 | School Registered Nurse | Utica, NY | 2019 |
| Brian Guarnotta, M.D. | 1255319885 | Pediatrics Physician | Braintree, MA | 2006 |
| Emily Guarnotta, PSYD | 1356798466 | Clinical Psychologist | Myrtle Beach, SC | 2016 |
| Maria Guarraci, LCSW | 1538301544 | Clinical Social Worker | Chicago, IL | 2009 |
| Peter Guarraci, OTR | 1023472859 | Occupational Therapist | Fort Sam Houston, TX | 2016 |
| Amanda Guarracina, CCC-SLP | 1205187986 | Speech-Language Pathologist | Brewster, NY | 2012 |
| Mary Guarracini, MD | 1750380572 | Physical Medicine & Rehabilitation Physician | West Haverstraw, NY | 2005 |
| Alyssa Guarracino | 1952905804 | Critical Care Medicine Registered Nurse | Walpole, MA | 2020 |
| Anthony Guarracino, DO | 1053355990 | Emergency Medicine Physician | Harrisburg, PA | 2006 |
| Hailey Guarracino, DPT | 1346090859 | Physical Therapist | Berwyn, PA | 2024 |
| James Guarracino | 1750255774 | Mental Health Counselor | Northfield, NJ | 2025 |
| John Guarracino, D.D.S. | 1427274190 | General Practice Dentistry | Clifton Park, NY | 2007 |
| Kara Guarracino, FNP-C | 1669939237 | Nurse Practitioner | Danvers, MA | 2019 |
| Sophia Guarracino, MS CCC-SLP | 1851899835 | Speech-Language Pathologist | Falls Church, VA | 2018 |
| Giovanna Guarraggi, RN, APN | 1124053566 | Family Nurse Practitioner | Hamilton, NJ | 2006 |
| David Guarraia, MD | 1710196811 | Cardiovascular Disease Physician | Phoenix, AZ | 2007 |
| Christine Guarrasi, LCSW | 1043437551 | Social Worker | Danvers, MA | 2007 |
| Lauren Guarrasi | 1194506600 | Doula | Portland, OR | 2023 |
| Carolina Guarrella, PA-C | 1376413799 | Physician Assistant | Brooklyn, NY | 2025 |
| Joseph Guarrella, PHYSICIAN ASSISTANT | 1093284135 | Physician Assistant | Brooklyn, NY | 2018 |
| James Guarrera, MD | 1417998782 | Transplant Surgery Physician | Newark, NJ | 2006 |
| Jessica Guarrera | 1548911753 | Behavior Technician | Oregon City, OR | 2022 |
| Julia Guarrera | 1134062276 | Student in an Organized Health Care Education/Training Program | Syracuse, NY | 2026 |
| Lillian Guarrera | 1194349092 | Mental Health Counselor | Beaverton, OR | 2020 |
| Sandra Guarrera | 1558737064 | Clinical Social Worker | Granby, MA | 2015 |
| Vincent Guarrera, D.S.W. | 1114096021 | Clinical Social Worker | Roslyn Heights, NY | 2006 |
| Phyllis Guarrera-Bowlby, PT | 1629279013 | Pediatric Physical Therapist | Garwood, NJ | 2007 |
| Aimee Guarriello, PT, OCS, CSCS | 1689703944 | Physical Therapist | Portland, OR | 2007 |
| Anthony Guarriello, OTR/L | 1891294302 | Occupational Therapist | Stroudsburg, PA | 2018 |
| Barbara Guarriello, PT, DPT | 1235541368 | Physical Therapist | San Antonio, TX | 2014 |
| Dianna Guarriello | 1407403603 | Behavior Technician | Arcata, CA | 2019 |
| Dianna Guarriello, RN | 1881830115 | Registered Nurse | Erie, PA | 2008 |
| Michelle Guarriello, PHARM.D. | 1447656194 | Pharmacist | East Setauket, NY | 2014 |
| Patricia Guarriello, PHD | 1649292210 | Clinical Social Worker | Dover, DE | 2006 |
| Kristina Guarro, M.A. CCC/SLP | 1376311787 | Speech-Language Pathologist | Marlton, NJ | 2023 |
| Jiddu Guart, MD | 1386210136 | Student in an Organized Health Care Education/Training Program | Providence, RI | 2021 |
| Dianne Guarte | 1205209590 | Physical Therapist | Richmond, TX | 2015 |
| Edgardo Guarte, PT | 1619376605 | Physical Therapist | Houston, TX | 2014 |
| Jessica Guarte, NP | 1427753870 | Family Nurse Practitioner | Rancho Cucamonga, CA | 2023 |
| Gladys Guarton, PH.D | 1558529859 | Psychologist | Great Neck, NY | 2008 |
| Mara Guarton, PTA | 1881420214 | Physical Therapy Assistant | Bergenfield, NJ | 2024 |
| Carolina Guarton Galindo | 1255165676 | Behavior Technician | Miami, FL | 2024 |
| Aida Guarton-Machado, RT | 1821368374 | General Care Certified Respiratory Therapist | Paterson, NJ | 2011 |
| Viola Guartuche | 1154475796 | Orthotic Fitter | Corpus Christi, TX | 2007 |
| Christian Guary | 1588335970 | Behavior Technician | Alameda, CA | 2021 |
| Liudmila Guas, ARNP | 1760186712 | Family Nurse Practitioner | Miami, FL | 2023 |
| Valeria Guas, LMHC | 1720671415 | Behavior Analyst | Cutler Bay, FL | 2021 |
| Acacia Guasch | 1407436009 | Behavior Technician | Miami, FL | 2021 |
| Antonio Guasch, M.D. | 1508876509 | Nephrology Physician | Atlanta, GA | 2006 |
| Belen Guasch | 1790465458 | Mental Health Counselor | Sandy Springs, GA | 2023 |
| Florangel Guasch | 1376197152 | Family Nurse Practitioner | Miami, FL | 2019 |
| Noemi Guasch | 1265186050 | Behavior Technician | Miami, FL | 2022 |
| Sara Guasch, MD | 1306362884 | Hospitalist Physician | Roanoke, VA | 2017 |
| Laura Guaschino | 1366106072 | Community Health Worker | Charleston, WV | 2021 |
| Amilcar Guaschino Broberg, M.D. | 1710727912 | Student in an Organized Health Care Education/Training Program | East Meadow, NY | 2024 |
| Alexandria Guasco, LAC | 1710624473 | Acupuncturist | Talent, OR | 2022 |
| Jesse Guasco, DO | 1548521594 | Psychiatry Physician | East Lansing, MI | 2012 |
| Ariane Guasconi, LICSW | 1891170130 | Clinical Social Worker | Jamaica Plain, MA | 2015 |
| Ailen Guash Reyes | 1891551974 | Behavior Technician | Jupiter, FL | 2024 |
| Maria Guasone | 1194301200 | Counselor | Hollywood, FL | 2021 |
| Alexa Guasp | 1922965284 | Pharmacist | Concord, NH | 2026 |
| Brenda Guasp, RN | 1265677322 | Home Health Registered Nurse | Penn Yan, NY | 2008 |
| Fabiola Guasp, MD | 1861087249 | Student in an Organized Health Care Education/Training Program | South Miami, FL | 2021 |
| Glenda Guasp, MD | 1467581322 | Pediatrics Physician | Caguas, PR | 2007 |
| Inmaculada Guasp, M.D. | 1669499364 | Anesthesiology Physician | Danbury, CT | 2006 |
| Luis Guasp, M.D. | 1396720736 | Surgery Physician | Mayaguez, PR | 2005 |
| Sarah Guasp, MS, BCBA, LBA | 1437793759 | Behavior Analyst | Glendale, AZ | 2019 |
| Sarah Guasp | 1972105294 | Community Health Worker | St George, UT | 2020 |
| Arlenedelyz Guasp Latorre | 1306161310 | Pharmacy Technician | Mayaguez, PR | 2010 |
| Zayra Guasp-Soto, PH.D. | 1912109901 | Psychologist | Cabo Rojo, PR | 2007 |
| Jason Guaspari | 1821923798 | Basic Emergency Medical Technician | Burlingame, CA | 2026 |
| Jeanne Guaspari, LMFT | 1710186788 | Marriage & Family Therapist | Pleasant Hill, CA | 2007 |
| Sally Guaspari, LPC | 1710367529 | Professional Counselor | Boise, ID | 2015 |
| Giselle Guasso | 1477129450 | Athletic Trainer | Chicago, IL | 2021 |
| Jessica Guastadisegni | 1023561297 | Pharmacist | Houston, TX | 2016 |
| Paul Guastadisegni, PH.D. | 1356460901 | Intellectual & Developmental Disabilities Psychologist | Portland, OR | 2007 |
| Yolande Guastadisegni, OTR | 1831591874 | Occupational Therapist | Brookfield, CT | 2014 |
| Alexander Guastaferro, MS, OTR/L | 1205581345 | Occupational Therapist | Bronx, NY | 2022 |
| Joanne Guastaferro, SA-C | 1497021513 | Surgical Assistant | Houston, TX | 2012 |
| Virginia Guastaferro, OTR/L | 1053563858 | Occupational Therapist | Monroeville, PA | 2008 |
| Barbara Guastafeste, MS | 1154867687 | Specialist | Syosset, NY | 2017 |
| Brandon Guastafeste | 1437662400 | Physical Therapist | Syosset, NY | 2017 |
| Gabriella Guastalli | 1215715719 | Doula | Bourbonnais, IL | 2023 |
| Nicholas Guastalli, DO | 1275957334 | Internal Medicine Physician | Kankakee, IL | 2014 |
| Sarah Guastalli, PA-C | 1881090124 | Physician Assistant | Kankakee, IL | 2014 |
| Joseph Guastamacchia, PA-C | 1578667895 | Medical Physician Assistant | Jupiter, FL | 2006 |
| Andrea Guastamacchio, RD | 1205912797 | Registered Dietitian | Torrance, CA | 2006 |
| Ella Guastavino, M.D. | 1952430811 | Pediatrics Physician | Englewood, FL | 2007 |
| Thomas Guastavino, PTA | 1295211456 | Physical Therapy Assistant | Eugene, OR | 2018 |
| Thomas Guastavino, MD | 1841303872 | Orthopaedic Surgery Physician | Pottsville, PA | 2006 |
| Danalynn Guasteferro, D.P.M. | 1881878296 | Foot & Ankle Surgery Podiatrist | Birmingham, AL | 2007 |
| Karlene Guasteferro, D.D.S. | 1952397358 | General Practice Dentistry | Morehead, KY | 2005 |
| Alesya Guastella | 1780404004 | Case Manager/Care Coordinator | Staten Island, NY | 2024 |
| Angelo Guastella | 1093394975 | Surgery Physician | Chicago, IL | 2021 |
| Ann Guastella, ARNP | 1891768990 | Nurse Practitioner | Tampa, FL | 2006 |
| Barbara Guastella | 1861554131 | Mental Health Counselor | Boulder, CO | 2006 |
| Casianne Guastella | 1417312786 | Behavior Analyst | Fanwood, NJ | 2015 |
| Dana Guastella, L.AC, LMT | 1255639860 | Acupuncturist | Montgomery, NY | 2011 |
| Daniel Guastella, DVM | 1760814826 | Veterinarian | Chandler, AZ | 2013 |
| Dollie Guastella, P.A. | 1831367432 | Physician Assistant | Las Vegas, NV | 2008 |
| Erica Guastella | 1619651197 | Nurse Practitioner | Grand Rapids, MI | 2023 |
| Franci Guastella, PHARM.D | 1881925840 | Pharmacist | New York, NY | 2010 |
| Frank Guastella, LCSW | 1912445792 | Clinical Social Worker | Riverhead, NY | 2017 |
| Janine Guastella, MA LLP LPC | 1649692831 | Mental Health Counselor | Plymouth, MI | 2014 |
| Kim Guastella, CNM,ARNP | 1013152784 | Midwife | Leesburg, VA | 2008 |
| Lailan Guastella, M.A.,CCC-SLP | 1831632058 | Speech-Language Pathologist | Williston Park, NY | 2016 |
| Lauren Guastella | 1902286198 | Physician Assistant | West Bloomfield, MI | 2015 |
| Lily Guastella, MD | 1356921076 | Family Medicine Physician | Lexington, MS | 2021 |
| Linda Guastella, LCPC | 1669731469 | Professional Counselor | Henderson, NV | 2012 |
| Lucille Guastella, D.D.S. | 1952441321 | Periodontics | Pleasanton, CA | 2007 |
| Marla Guastella, RPH BS | 1891078325 | Pharmacist | Independence, OH | 2011 |
| Marlo Guastella | 1932026788 | Behavior Analyst | Bethlehem, PA | 2026 |
| Peter Guastella, DPT | 1629365895 | Physical Therapist | Seminole, FL | 2011 |
| Philip Guastella, OD | 1952475006 | Optometrist | Mt Dora, FL | 2006 |
| Rebekah Guastella, M.S., CF-SLP, TSSLD | 1013586205 | Speech-Language Pathologist | Port Jefferson Station, NY | 2021 |
| Renee Guastella | 1932782604 | Occupational Therapist | Livonia, MI | 2021 |
| Rosario Guastella, MD | 1538746441 | Emergency Medicine Physician | Monticello, AR | 2021 |
| Ross Guastella, R.PH. | 1104167576 | Pharmacist | Memphis, TN | 2013 |
| Samantha Guastella | 1043788862 | Specialist | White Plains, NY | 2018 |
| Teresa Guastella, PA-C | 1407205990 | Physician Assistant | Livonia, MI | 2016 |
| Vanessa Guastella | 1952059362 | Behavior Technician | Siloam Springs, AR | 2022 |
| Andrea Guastello, PHD | 1851821748 | Psychologist | Gainesville, FL | 2017 |
| Elizabeth Guastello, MD | 1982721684 | Cardiovascular Disease Physician | Lawrence, KS | 2007 |
| Joseph Guastello, M.D. | 1194785048 | Otolaryngology Physician | Kansas City, MO | 2006 |
| Mario Guastello, MD | 1336570019 | Otolaryngology Physician | Mission Hills, KS | 2013 |
| Laura Guastini, L.C.S.W. | 1174875801 | Clinical Social Worker | New York, NY | 2012 |
| Mallery Guastini | 1770046922 | Day Training/Habilitation Specialist | Leominster, MA | 2019 |
| Nadia Guastini-Brown, NNP | 1699866194 | Neonatal Nurse Practitioner | Valhalla, NY | 2006 |
| Chelsey Guastucci | 1760221105 | Physician Assistant | Portland, ME | 2024 |
| Julia Guastucci | 1922777200 | Developmental Therapist | Lowell, MA | 2021 |
| Katherina Guatelara, APRN | 1235809773 | Family Nurse Practitioner | Aurora, IL | 2021 |
| John Guatelli, M.D. | 1245345693 | Specialist | La Jolla, CA | 2006 |
| Ralph Guatelli, PHARMACIST | 1356474746 | Pharmacist | Spring Hill, FL | 2007 |
| Ana Guatemala | 1659719243 | Mental Health Counselor | San Francisco, CA | 2013 |
| Cindy Guatemala | 1205642972 | Behavior Technician | Sherman Oaks, CA | 2024 |
| Jazmin Guatemala | 1255228359 | Behavior Technician | Tallahassee, FL | 2025 |
| Karen Guatemala | 1235785619 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2019 |
| Katherine Guatemala | 1043933476 | Behavior Technician | Rockville, MD | 2022 |
| Nancy Guatemala, AMFT | 1134775372 | Marriage & Family Therapist | Woodland Hills, CA | 2019 |
| Michelle Guatemala Elicea | 1396213724 | Marriage & Family Therapist | San Jose, CA | 2018 |
| Irving Guatemala Funes, MD | 1295468791 | Endocrinology, Diabetes & Metabolism Physician | Scottsdale, AZ | 2022 |
| Laura Guathier | 1770955890 | Massage Therapist | Lockport, IL | 2015 |
| Alana Guatimea Leary | 1801412069 | Peer Specialist | Fontana, CA | 2020 |
| Zharlynne Guatlo | 1972069847 | Behavior Technician | Anaheim, CA | 2019 |
| Dean Guattare, DPT | 1326378258 | Physical Therapist | Cherry Hill, NJ | 2009 |
| Jaime Guatteri, PHARMD | 1043560196 | Pharmacist | Weirton, WV | 2012 |
| Merri Jo Guattery, LPN | 1740460948 | Licensed Practical Nurse | Farmington, NM | 2007 |
| Nestor Guaty, MD | 1265652234 | Family Medicine Physician | Miami, FL | 2007 |
| Claudia Guauque | 1992050520 | Counselor | Boston, MA | 2012 |
| Amanda Guay, OTR/L | 1376643676 | Occupational Therapist | Hudson Falls, NY | 2006 |
| Amanda Guay | 1972393890 | Behavior Technician | Nashua, NH | 2025 |
| Amy Guay | 1508933268 | Occupational Therapist | Springfield, MA | 2006 |
| Andrew Guay, DPT | 1053087346 | Physical Therapist | Smithfield, RI | 2021 |
| Annie-Pierre Guay, LPC | 1902470990 | Mental Health Counselor | Denver, CO | 2021 |
| Astrid Guay | 1790669927 | Home Health Aide | Columbus, OH | 2025 |
| Aurora Guay | 1710726989 | Behavior Technician | York, PA | 2024 |
| Bruce Guay, M.D. | 1396844171 | Internal Medicine Physician | Hines, IL | 2006 |
| Cameron Guay, DO | 1427996040 | Student in an Organized Health Care Education/Training Program | Bradenton, FL | 2026 |
| Carrie Guay, SLP | 1306498183 | Speech-Language Pathologist | Beavercreek, OH | 2019 |
| Catherine Guay, CRNA | 1881641843 | Certified Registered Nurse Anesthetist | Springfield, MA | 2006 |
| Chelsey Guay | 1033419916 | Registered Nurse | Oshkosh, WI | 2010 |
| Christian Guay, MD | 1730674680 | Anesthesiology Physician | Saint Louis, MO | 2018 |
| Christine Guay, PHARMD | 1134662059 | Pharmacist | Joppa, MD | 2016 |
| Christopher Guay, BA PSYCH | 1154049369 | Case Manager/Care Coordinator | San Diego, CA | 2022 |
| Cierra Guay | 1730020884 | Behavior Technician | Grandville, MI | 2026 |
| Corinne Guay | 1942947924 | Mental Health Counselor | Kirkland, WA | 2022 |
| Daaron Guay | 1194928242 | Physical Therapist | Milford, NH | 2007 |
| Daniel Guay, M.D | 1912496704 | Anesthesiology Physician | Cleveland, OH | 2018 |
| Danielle Guay | 1891243994 | Behavior Analyst | Newton, MA | 2016 |
| Dustin Guay, CCC-SLP | 1063994499 | Speech-Language Pathologist | Santa Monica, CA | 2018 |
| Emily Guay | 1013415454 | Athletic Trainer | Stratham, NH | 2018 |
| Emma Guay, FNP-BC | 1487506820 | Family Nurse Practitioner | Whitefield, NH | 2026 |
| Evan Guay, DO | 1063036192 | Transplant Surgery Physician | Birmingham, AL | 2020 |
| Heather Guay, MFTI | 1255667960 | Rehabilitation Practitioner | Buena Park, CA | 2009 |
| Ivy Guay, M.ED BCBA | 1942811393 | Behavior Analyst | Marlborough, MA | 2020 |
| Jacqueline Guay, MD | 1447313945 | Pediatrics Physician | Wheaton, IL | 2006 |
| James Guay, LMFT | 1083279319 | Marriage & Family Therapist | West Hollywood, CA | 2019 |
| Jamie Guay, LMFT-A | 1790665982 | Marriage & Family Therapist | Greenville, SC | 2025 |
| Jeffrey Guay, MD | 1194873463 | Diagnostic Radiology Physician | Lakewood, CO | 2007 |
| Jeffrey Guay, DMD | 1285781955 | Orthodontics and Dentofacial Orthopedics Dentistry | Springfield, MA | 2007 |
| Jennifer Guay, CNM | 1053587121 | Advanced Practice Midwife | Williamsville, NY | 2008 |
| Jessica Guay, RBT | 1790665503 | Behavior Technician | Lebanon, IN | 2025 |
| Joann Guay | 1346924453 | Counselor | Madison, CT | 2023 |
| Josee-Ann Guay, D.M.D | 1659938975 | Student in an Organized Health Care Education/Training Program | South Burlington, VT | 2019 |
| Joseph Guay, PA-C | 1205895893 | Surgical Physician Assistant | Bellingham, WA | 2006 |
| Joy Guay, AU.D. | 1871778662 | Audiologist | Longmeadow, MA | 2007 |
| Juliane Guay, MD | 1366048423 | Anesthesiology Physician | San Francisco, CA | 2020 |
| Julie Guay, PTA | 1275652174 | Physical Therapy Assistant | Merrimack, NH | 2007 |
| Julie Guay, PSY.D., ABPP | 1831331420 | Clinical Neuropsychologist | Berwyn, PA | 2009 |
| Karlene Guay, PT | 1831193325 | Physical Therapist | Mount Pleasant, SC | 2005 |
| Katherine Guay, LICSW | 1487740239 | Clinical Social Worker | Brockton, MA | 2006 |
| Kenneth Guay | 1265189989 | Medical Physician Assistant | Coral Gables, FL | 2022 |
| Kyle Guay, PHARMD, RPH | 1861770877 | Pharmacist | Albany, NY | 2011 |
| Laura Guay, MD | 1306988837 | Pediatric Infectious Diseases Physician | Baltimore, MD | 2007 |
| Laurence Guay, MD | 1407265333 | Gastroenterology Physician | Boston, MA | 2014 |
| Laurie Guay, LCPC-C | 1588086201 | Professional Counselor | Waterville, ME | 2014 |
| Linda Guay | 1992331045 | Community Health Registered Nurse | San Diego, CA | 2020 |
| Mallory Guay, RN | 1285282780 | Registered Nurse | Morrisonville, NY | 2019 |
| Marc Guay, MD | 1770682973 | Otolaryngology Physician | Sheffield Village, OH | 2006 |
| Margaret Guay, LMT | 1780215814 | Massage Therapist | Northampton, MA | 2020 |
| Maria Guay, OTR/L | 1619259173 | Occupational Therapist | Lewiston, ME | 2011 |
| Marie Guay, DO | 1306921648 | Psychiatry Physician | Sanford, ME | 2006 |
| Mary Guay, LMFT | 1669580593 | Mental Health Counselor | Woodinville, WA | 2006 |
| Mary Guay, PA-C | 1790769008 | Physician Assistant | Baltimore, MD | 2005 |
| Maxine Guay, PAGPCNP | 1871917138 | Gerontology Nurse Practitioner | Scarborough, ME | 2014 |
| Melissa Guay, BSN, RN | 1043138274 | Registered Nurse | Marinette, WI | 2026 |
| Michelle Guay | 1467768374 | Speech-Language Pathologist | Wisconsin Rapids, WI | 2010 |
| Mue Guay | 1568391738 | Peer Specialist | Gresham, OR | 2026 |
| Murielle Guay | 1427135961 | Clinical Social Worker | Lewiston, ME | 2006 |
| Nancy Guay, CRNA | 1356352462 | Certified Registered Nurse Anesthetist | New Haven, CT | 2006 |
| Nikayla Guay, RN | 1376229468 | Registered Nurse | Rapid City, SD | 2023 |
| Norman Guay, D.O. | 1447203310 | Family Medicine Physician | Yarmouth, ME | 2006 |
| Paul Guay, MD | 1659447217 | Diagnostic Radiology Physician | Wilson, NC | 2006 |
| Peter Guay, D.O | 1558361311 | Orthopaedic Surgery Physician | Portland, ME | 2005 |
| Peter Guay, PH.D. | 1952402828 | Clinical Psychologist | Honolulu, HI | 2006 |
| R. Marie Guay, LCSW | 1265671853 | Clinical Social Worker | Richmond, VA | 2009 |
| Rebecca Guay, NURSE PRACTITIONER | 1053162560 | Family Nurse Practitioner | Atlanta, GA | 2024 |
| Robert Guay, M.D. | 1558365999 | Vascular & Interventional Radiology Physician | West Reading, PA | 2005 |
| Ryan Guay, D.O. | 1861758203 | Anesthesiology Physician | Schenectady, NY | 2012 |
| Ryley Guay, MD | 1831890318 | Student in an Organized Health Care Education/Training Program | Cincinnati, OH | 2023 |
| Sarah Guay | 1205728235 | Mental Health Counselor | Litchfield, CT | 2025 |
| Scott Guay, LADC, NCGCII | 1154470151 | Addiction (Substance Use Disorder) Counselor | Hartford, CT | 2007 |
| Scott Guay, PT | 1922206614 | Physical Therapist | Westford, MA | 2007 |
| Shawna Guay, MS, LCPC | 1174931570 | Mental Health Counselor | Butte, MT | 2014 |
| Sierra Guay, MS, RDN, CBIS | 1093258204 | Registered Dietitian | Winterville, NC | 2016 |
| Stacy Guay, PMHNP | 1760090997 | Psychiatric/Mental Health Nurse Practitioner | Augusta, ME | 2020 |
| Stephen Guay, MD | 1871672162 | Family Medicine Physician | Tewksbury, MA | 2006 |
| Timothy Guay, PT | 1164472437 | Physical Therapist | Feeding Hills, MA | 2006 |
| Victoria Guay | 1902623697 | Pediatric Registered Nurse | Springfield, MA | 2024 |
| Zachary Guay | 1972145720 | Physical Therapist | Plattsburgh, NY | 2019 |
| Sandra Guay Almora | 1043904618 | Behavior Technician | Hialeah, FL | 2023 |
| Patricia Guay-Berry, RD | 1568716272 | Registered Dietitian | Bethesda, MD | 2012 |
| Lise Guay-Bhatia, MD | 1417993197 | Ophthalmology Physician | Downers Grove, IL | 2006 |
| Lisa Guay-Woodford, MD | 1538178421 | Pediatric Nephrology Physician | Washington, DC | 2006 |
| Jayden Guayabo | 1689512584 | Behavior Technician | Rockville, MD | 2026 |
| Monica Guayara | 1568723534 | Case Manager/Care Coordinator | New Rochelle, NY | 2012 |
| Claire Guazelli | 1063383958 | Behavior Technician | Los Angeles, CA | 2025 |
| Joselyn Guazhima Sanchez, LCSW | 1437709409 | Clinical Social Worker | Brooklyn, NY | 2019 |
| Abriana Guazzelli, PHARMD | 1871194803 | Pharmacist | Dekalb, IL | 2020 |
| Cristina Guazzelli, BCBA | 1861876740 | Behavior Analyst | Stratford, CT | 2015 |
| Dulce Guazzetti | 1912768698 | Behavior Technician | Pembroke Pines, FL | 2024 |
| Julia Guazzo | 1679020077 | Clinical Social Worker | Jacksonville, FL | 2016 |
| Jessica Guazzone | 1801778592 | Interpreter | Rockwall, TX | 2025 |
| Alexander Guba, MD | 1396879284 | Plastic Surgery Physician | Baltimore, MD | 2007 |
| Ashley Guba | 1285989780 | Social Worker | Hyannis, MA | 2012 |
| Caryn Guba, DDS | 1114074754 | General Practice Dentistry | Indianapolis, IN | 2007 |
| Christianne Guba, DDS | 1265566186 | Dentist | Indianapolis, IN | 2007 |
| David Guba, D.M.D. | 1689616609 | Oral and Maxillofacial Surgery (Dentist) | Abington, PA | 2006 |
| Gerardo Guba, MD | 1164402632 | Family Medicine Physician | Monrovia, CA | 2006 |
| Joseph Guba, RPH | 1396175790 | Pharmacist | Streetsboro, OH | 2013 |
| Karen Guba, P.T. | 1215958160 | Physical Therapist | Burnsville, MN | 2006 |
| Leah Guba | 1427853647 | Social Worker | Philadelphia, PA | 2025 |
Source: CMS National Plan and Provider Enumeration System (NPPES) (download.cms.gov). A listing is not a recommendation: check a license with the state board (license lookups).