Providers Fatima Guillen to Lisbet Guillen De La Sierra, BCBA
300 individual NPIs in the federal registry, part 8,461 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. 53 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Fatima Guillen | 1598623753 | Behavior Technician | Monrovia, CA | 2026 |
| Felipe Guillen, MD | 1609571017 | Surgery Physician | Farmington, CT | 2023 |
| Fernando Guillen, PMHNP-BC | 1861974024 | Psychiatric/Mental Health Nurse Practitioner | Anthony, NM | 2018 |
| Francelle Guillen | 1538093547 | Behavior Technician | Las Vegas, NV | 2026 |
| Francisco Guillen | 1689448714 | Addiction (Substance Use Disorder) Counselor | Hemet, CA | 2023 |
| Gabriella Guillen | 1366849721 | Behavior Analyst | Stuart, FL | 2014 |
| Gabriella Guillen | 1467285437 | Speech-Language Pathologist | Carol Stream, IL | 2024 |
| Genesis Guillen | 1205500444 | Mental Health Counselor | Moorpark, CA | 2021 |
| Gilbert Guillen | 1144971862 | Personal Care Attendant | Las Vegas, NV | 2022 |
| Gloria Guillen, PMHNP-BC | 1659901106 | Psychiatric/Mental Health Nurse Practitioner | Moline, IL | 2020 |
| Gonzalo Guillen, APRN, AGPCNP | 1508756263 | Adult Health Nurse Practitioner | Las Vegas, NV | 2025 |
| Graciela Guillen, SLP | 1265893614 | Speech-Language Pathologist | Placentia, CA | 2016 |
| Gregorio Guillen, M.D | 1538252226 | Geriatric Medicine (Internal Medicine) Physician | Perth Amboy, NJ | 2006 |
| Greter Guillen, CRNA | 1417457615 | Certified Registered Nurse Anesthetist | Miami, FL | 2018 |
| Guadalupe Guillen | 1457062689 | Social Worker | Riverside, CA | 2022 |
| Guillermina Guillen | 1952110280 | Adult Companion | Hollister, CA | 2025 |
| Guillermo Guillen, DDS | 1184872152 | Prosthodontics | Overland Park, KS | 2008 |
| Haylee Guillen | 1942131438 | Behavior Technician | Belen, NM | 2026 |
| Hector Guillen, PMHNP-BC, APRN-CNP | 1891386942 | Psychiatric/Mental Health Nurse Practitioner | El Paso, TX | 2021 |
| Heidy Guillen | 1700678976 | Behavior Technician | Pittsburgh, PA | 2025 |
| Heriberto Guillen, CNIM | 1639802903 | Electroneurodiagnostic Specialist/Technologist | San Antonio, TX | 2022 |
| Iliana Guillen, COTA | 1508202763 | Occupational Therapy Assistant | Odessa, TX | 2013 |
| Inocencio Guillen | 1669230942 | Social Worker | Bakersfield, CA | 2024 |
| Irene Guillen | 1770814279 | Speech-Language Assistant | Glendale, AZ | 2010 |
| Irma Guillen | 1629260120 | Social Worker | Brentwood, CA | 2007 |
| Isabel Guillen | 1285332544 | Behavior Technician | Evergreen Park, IL | 2023 |
| Isabel Guillen | 1588240865 | Behavior Technician | West Covina, CA | 2021 |
| Isenia Guillen | 1265995864 | Case Manager/Care Coordinator | Madera, CA | 2019 |
| Isidro Guillen | 1790427763 | Behavior Technician | Farmington Hills, MI | 2022 |
| Ivanova Guillen, PTA | 1003206970 | Physical Therapy Assistant | San Diego, CA | 2015 |
| Jair Guillen | 1598640641 | Behavior Technician | Rockville, MD | 2025 |
| Jami Guillen | 1053849950 | Addiction (Substance Use Disorder) Counselor | Bakersfield, CA | 2017 |
| Jasmin Guillen | 1164075966 | Certified Registered Nurse Anesthetist | Temple, TX | 2019 |
| Jasmin Guillen | 1316877442 | Behavior Technician | Torrance, CA | 2026 |
| Jasmin Guillen, ATC, LAT | 1457538613 | Athletic Trainer | Saint Petersburg, FL | 2008 |
| Jasmine Guillen | 1356917660 | Speech-Language Pathologist | Great Neck, NY | 2021 |
| Javier Guillen, RMHCA | 1396071809 | Counselor | Long Beach, WA | 2009 |
| Jaylynn Guillen | 1912485723 | Behavior Technician | Albuquerque, NM | 2018 |
| Jazel Guillen | 1194676643 | Addiction (Substance Use Disorder) Counselor | Trabuco Canyon, CA | 2026 |
| Jeffrey Guillen | 1356842165 | Behavior Analyst | El Cajon, CA | 2018 |
| Jennessys Guillen | 1356227011 | Behavior Technician | West Jordan, UT | 2025 |
| Jennifer Guillen | 1194584060 | Behavior Technician | Chicago, IL | 2024 |
| Jennifer Guillen, DPT, ATC/L, CSCS | 1538595806 | Orthopedic Physical Therapist | Crown Point, IN | 2013 |
| Jennifer Guillen | 1760215404 | Case Manager/Care Coordinator | Manteca, CA | 2024 |
| Jennifer Guillen, PHARMD | 1932055449 | Pharmacist | El Paso, TX | 2026 |
| Jessica Guillen, RBT | 1124719265 | Behavior Technician | Phoenix, AZ | 2023 |
| Jessica Guillen | 1285418350 | Counselor | Hicksville, NY | 2023 |
| Jessica Guillen | 1487171765 | Case Manager/Care Coordinator | Salt Lake City, UT | 2017 |
| Jessica Guillen, NP-C | 1588038244 | Family Nurse Practitioner | Los Angeles, CA | 2015 |
| Jessica Guillen | 1639904220 | Case Manager/Care Coordinator | Peabody, MA | 2024 |
| Jessica Guillen | 1992108724 | Clinical Social Worker | Los Angeles, CA | 2014 |
| Jesus Guillen | 1225262330 | Rehabilitation Practitioner | Culver City, CA | 2009 |
| Joaquin Guillen, CRNA | 1881459659 | Certified Registered Nurse Anesthetist | Temple, TX | 2024 |
| Jocelyn Guillen, DPM | 1750777116 | Podiatrist | Baltimore, MD | 2015 |
| John Paul Guillen | 1033939368 | Massage Therapist | Houston, TX | 2024 |
| Jonathan Guillen | 1558219865 | Behavior Technician | Rockville, MD | 2026 |
| Jonathan Guillen | 1710813621 | Physical Therapy Assistant | Pineville, NC | 2026 |
| Jorge Guillen, MD | 1851478036 | Family Medicine Physician | Overland Park, KS | 2006 |
| Jose Guillen, D.D.S. | 1396978805 | Dentist | Los Angeles, CA | 2009 |
| Jose Guillen | 1619532058 | Case Manager/Care Coordinator | Merced, CA | 2019 |
| Jose Guillen, PA-C | 1639524333 | Physician Assistant | Atlanta, GA | 2016 |
| Jose Guillen | 1992192637 | Family Nurse Practitioner | Los Angeles, CA | 2015 |
| Josefina Guillen, LVN | 1437292026 | Licensed Vocational Nurse | Dinuba, CA | 2007 |
| Josie Guillen | 1902109911 | Marriage & Family Therapist | Yucca Valley, CA | 2010 |
| Josselin Guillen | 1942920764 | Behavior Technician | Monrovia, CA | 2022 |
| Josselyn Guillen, CHW | 1437031465 | Community Health Worker | Boardman, OR | 2025 |
| Josue Guillen | 1053914549 | Mental Health Counselor | Grand Rapids, MI | 2020 |
| Jovan Guillen | 1720464423 | Counselor | Pueblo, CO | 2015 |
| Juan Guillen, MD | 1639231418 | Psychiatry Physician | Arccibo, PR | 2006 |
| Julie Guillen, RN, MSN | 1932458353 | Registered Nurse | San Francisco, CA | 2012 |
| Julio Guillen, M.D. | 1851393060 | Internal Medicine Physician | New Orleans, LA | 2005 |
| Justine Guillen | 1861177651 | Registered Nurse | Nashville, TN | 2023 |
| Karen Guillen | 1184104432 | Case Manager/Care Coordinator | Los Angeles, CA | 2018 |
| Kari Guillen, L.AC. | 1942854559 | Acupuncturist | Southwest Harbor, ME | 2019 |
| Karina Guillen | 1366133647 | School Social Worker | Santa Ana, CA | 2023 |
| Karl Guillen, AAS | 1154083186 | Contractor | Oro Valley, AZ | 2021 |
| Kassandra Guillen | 1003608357 | Behavior Technician | Bakersfield, CA | 2025 |
| Katherine Guillen | 1164372454 | Behavior Technician | Monrovia, CA | 2026 |
| Katherine Guillen, COTA | 1417130741 | Occupational Therapy Assistant | Phoenix, AZ | 2007 |
| Katherine Guillen | 1558167395 | Behavior Technician | Katy, TX | 2025 |
| Kathleen Guillen, MC | 1932364742 | Mental Health Counselor | Sacaton, AZ | 2008 |
| Kathryn Guillen, CRNA | 1902197205 | Certified Registered Nurse Anesthetist | Ann Arbor, MI | 2011 |
| Kathyria Guillen, MS, LMHC | 1386299683 | Mental Health Counselor | Ames, IA | 2019 |
| Kenia Guillen, QBHP | 1235990201 | Case Manager/Care Coordinator | Fort Smith, AR | 2024 |
| Kenneth Guillen | 1326910381 | Counselor | Wheaton, IL | 2025 |
| Kerri Guillen | 1902662299 | Surgical Technologist | Appleton, WI | 2024 |
| Kevin Guillen | 1316629314 | Clinical Social Worker | Irwindale, CA | 2023 |
| Kiara Guillen | 1093535353 | Behavior Technician | Royal Palm Beach, FL | 2024 |
| Kris Marie Guillen, NP | 1982568069 | Nurse Practitioner | Las Vegas, NV | 2025 |
| Kristen Guillen | 1336910298 | Behavior Technician | Houston, TX | 2024 |
| Kristin Guillen, O.T. | 1457603268 | Occupational Therapist | Somers Point, NJ | 2012 |
| Kristy Guillen, PHARMD, CPP | 1336479252 | Pharmacist | Rutherford College, NC | 2009 |
| Kyanna Guillen | 1114778677 | Psychologist | Hartford, CT | 2024 |
| Laura Guillen | 1174174080 | Community Health Worker | Murray, UT | 2019 |
| Laura Guillen, PH.D. | 1871790030 | Counseling Psychologist | Berkeley, CA | 2007 |
| Lauren Guillen | 1720631898 | Behavior Technician | Concord, CA | 2019 |
| Layla Guillen, PT DPT | 1699374942 | Physical Therapist | Bremerton, WA | 2020 |
| Lesly Guillen | 1851127542 | Behavior Technician | Beltsville, MD | 2024 |
| Leticia Guillen, LCSW | 1194851642 | Clinical Social Worker | Livingston, CA | 2007 |
| Leticia Guillen, CASE MANAGER | 1639361439 | Case Manager/Care Coordinator | Visalia, CA | 2007 |
| Lilyan Guillen | 1952659021 | Rehabilitation Practitioner | Los Angeles, CA | 2012 |
| Lisa Guillen, ARNP-BC | 1497133862 | Adult Health Nurse Practitioner | Tampa, FL | 2015 |
| Liset Guillen | 1922577840 | Personal Care Attendant | Las Vegas, NV | 2018 |
| Lissette Guillen | 1679455844 | Behavior Technician | San Diego, CA | 2025 |
| Liz Guillen | 1801765425 | Student in an Organized Health Care Education/Training Program | Bronx, NY | 2025 |
| Liza Guillen, APRN | 1497419923 | Family Nurse Practitioner | Davie, FL | 2021 |
| Lizeth Guillen | 1730647413 | Behavior Technician | Anaheim, CA | 2019 |
| Lorena Guillen | 1437784204 | Case Manager/Care Coordinator | Reno, NV | 2020 |
| Lori-Ana Guillen, LCSW | 1366127714 | Clinical Social Worker | Burlington, WI | 2023 |
| Lorraine Guillen | 1376107649 | Clinical Social Worker | Las Cruces, NM | 2019 |
| Lucila Guillen | 1609346899 | Nurse's Aide | Yakima, WA | 2018 |
| Luis Guillen | 1225423023 | Licensed Practical Nurse | Ozone Park, NY | 2015 |
| Luis Guillen | 1275982217 | Clinical Social Worker | Camden, NJ | 2016 |
| Luis Guillen, PARAMEDIC | 1861173684 | Paramedic | San Antonio, TX | 2023 |
| Luis Guillen | 1912591447 | Behavior Technician | Salinas, CA | 2021 |
| Lupe Guillen | 1558580449 | Addiction (Substance Use Disorder) Counselor | Long Beach, CA | 2007 |
| Luzmaria Guillen, DNP FNP-BC RN | 1386449981 | Family Nurse Practitioner | Gaithersburg, MD | 2025 |
| Lydia Guillen | 1053079731 | Attendant Care Provider | Bloomington, CA | 2021 |
| Lydia Guillen | 1710818216 | Student in an Organized Health Care Education/Training Program | Birmingham, AL | 2026 |
| Lynette Guillen | 1265766513 | Case Manager/Care Coordinator | Espanola, NM | 2009 |
| Makayla Guillen | 1275481988 | Behavior Technician | Mesa, AZ | 2026 |
| Manuel Guillen, FNP | 1124830997 | Family Nurse Practitioner | Dallas, TX | 2025 |
| Manuel Guillen, MD | 1811092414 | Allergy Physician | Great Falls, VA | 2006 |
| Manuel Guillen, M.D. | 1871819219 | Psychiatry Physician | Lubbock, TX | 2010 |
| Marc Guillen, PT, DPT | 1578717773 | Physical Therapist | Chicago, IL | 2008 |
| Marcelino Guillen, LCSW | 1497254106 | Clinical Social Worker | Bronx, NY | 2018 |
| Marco Guillen, C.A.S. | 1417076662 | Addiction (Substance Use Disorder) Counselor | Lake Elsinore, CA | 2007 |
| Marco Guillen, LMFT | 1487951869 | Marriage & Family Therapist | Montebello, CA | 2011 |
| Marcos Guillen, CHEMICAL DEPENDENCY | 1386120210 | Addiction (Substance Use Disorder) Counselor | Camarillo, CA | 2018 |
| Marcus Guillen | 1558241042 | Behavior Technician | Fullerton, CA | 2025 |
| Maren Guillen | 1518734458 | Behavior Technician | Denton, TX | 2023 |
| Margarita Guillen | 1588039093 | Registered Nurse | Bakersfield, CA | 2015 |
| Mari Guillen, RN | 1366228884 | Registered Nurse | Ojai, CA | 2023 |
| Maria Guillen, PHARMD | 1023482262 | Pharmacist | Fort Worth, TX | 2015 |
| Maria Guillen, B.A. | 1134783988 | Rehabilitation Practitioner | Placentia, CA | 2019 |
| Maria Guillen, HIS | 1609547892 | Hearing Instrument Specialist | Joplin, MO | 2021 |
| Maria Guillen, LMSW | 1619111960 | Social Worker | Monsey, NY | 2009 |
| Maria Guillen | 1730821836 | Behavior Technician | Murfreesboro, TN | 2022 |
| Maria Guillen | 1831801141 | Family Nurse Practitioner | Las Cruces, NM | 2022 |
| Maria Guillen | 1902384779 | Licensed Practical Nurse | Burlington, WA | 2018 |
| Mariana Guillen | 1043875420 | Behavior Technician | Milpitas, CA | 2019 |
| Mariana Guillen | 1306495510 | Behavior Technician | Santa Ana, CA | 2019 |
| Mariel Guillen | 1265133169 | Physical Therapy Assistant | Cedar Park, TX | 2023 |
| Mariell Guillen | 1003555186 | Behavior Analyst | Pembroke Pines, FL | 2022 |
| Marina Guillen | 1538977079 | Student in an Organized Health Care Education/Training Program | San Antonio, TX | 2024 |
| Mario Guillen, MD | 1952345324 | Internal Medicine Physician | Wellington, FL | 2006 |
| Marisela Guillen | 1770371742 | School Counselor | Oxnard, CA | 2025 |
| Marlene Guillen, LPN | 1235476169 | Licensed Practical Nurse | Bronx, NY | 2013 |
| Marlene Guillen | 1427781368 | Behavior Technician | Monrovia, CA | 2022 |
| Marlene Guillen | 1730753641 | Behavior Technician | Eastvale, CA | 2021 |
| Martha Guillen, PHARMD | 1205937067 | Pharmacotherapy Pharmacist | Birmingham, AL | 2006 |
| Martha Guillen, LPN | 1659018828 | Licensed Practical Nurse | Roseburg, OR | 2022 |
| Martin Guillen | 1417549486 | Dental Assistant | Lancaster, CA | 2021 |
| Martin Guillen | 1740106491 | Personal Care Attendant | Las Vegas, NV | 2026 |
| Marvin Guillen, MD | 1477292043 | Student in an Organized Health Care Education/Training Program | South Miami, FL | 2022 |
| Mary Guillen, R.D. | 1063421725 | Renal Nutrition Registered Dietitian | Albuquerque, NM | 2006 |
| Mary Guillen | 1528705233 | Mental Health Counselor | Minneapolis, MN | 2022 |
| Marysabel Guillen, BCBA | 1801542097 | Behavior Analyst | Spring, TX | 2022 |
| Max Guillen | 1467253914 | Student in an Organized Health Care Education/Training Program | Immokalee, FL | 2025 |
| Melissa Guillen, RN | 1154878635 | Pediatric Registered Nurse | New York, NY | 2016 |
| Melissa Guillen, BCAT, RBT | 1194226217 | Behavior Technician | Corona, CA | 2018 |
| Mia Guillen | 1316628167 | Behavior Technician | Ontario, CA | 2023 |
| Michelle Guillen, CF-SLP | 1346520947 | Speech-Language Pathologist | Las Cruces, NM | 2011 |
| Michelle Guillen, LMHC | 1568045359 | Mental Health Counselor | Chicago, IL | 2021 |
| Miela Guillen | 1730762212 | Mental Health Counselor | Tigard, OR | 2021 |
| Miriam Guillen | 1386382638 | Community Health Worker | Sunland Park, NM | 2022 |
| Monica Guillen, MSW | 1134301450 | Clinical Social Worker | Sunnyside, WA | 2007 |
| Monica Guillen | 1154008829 | Behavior Technician | Fresno, CA | 2023 |
| Monica Guillen, LPC | 1164302923 | Counselor | Houston, TX | 2025 |
| Monica Guillen | 1609346584 | Behavior Technician | Salinas, CA | 2018 |
| Monica Guillen, P.T. | 1700974086 | Physical Therapist | Montgomery Village, MD | 2006 |
| Monica Guillen | 1801480546 | Physician Assistant | Los Banos, CA | 2021 |
| Monica Guillen, LMSW | 1932675907 | Social Worker | East Hampton, NY | 2018 |
| Monica Guillen | 1932921244 | Specialist | Union City, CA | 2024 |
| Myranda Guillen, P.A.-C | 1902500416 | Physician Assistant | Las Vegas, NV | 2023 |
| Nancy Guillen | 1528493871 | Professional Counselor | Fort Smith, AR | 2013 |
| Nancy Guillen | 1972082261 | Speech-Language Assistant | San Antonio, TX | 2018 |
| Natalia Guillen | 1366297897 | Behavior Technician | El Segundo, CA | 2024 |
| Natalie Guillen | 1114784972 | Behavior Technician | Las Vegas, NV | 2024 |
| Nathalie Guillen | 1346173135 | Behavior Technician | Sherman Oaks, CA | 2026 |
| Naymy Guillen | 1528560257 | Personal Care Attendant | Las Vegas, NV | 2018 |
| Nereida Guillen, MSW, ACSW | 1124347919 | Clinical Social Worker | Orange, CA | 2010 |
| Neyda Guillen, NONE | 1225792468 | Day Training/Habilitation Specialist | San Bernardino, CA | 2021 |
| Nicole Guillen, MD | 1528555026 | Emergency Medicine Physician | Sparks, NV | 2018 |
| Nirialbys Guillen | 1194691881 | Behavior Technician | Miami, FL | 2025 |
| Norma Guillen, LCSW | 1134548373 | Clinical Social Worker | Nampa, ID | 2014 |
| Norma Guillen | 1497368534 | Behavior Analyst | Miramar Beach, FL | 2020 |
| Norma Guillen, RT | 1891994711 | Radiologic Technologist | Santa Ana, CA | 2007 |
| Norman Guillen | 1477679108 | General Practice Dentistry | Birmingham, AL | 2007 |
| Paola Guillen | 1083203475 | Behavior Technician | Orange, CA | 2021 |
| Paola Guillen | 1710370887 | Behavior Analyst | Sherman Oaks, CA | 2015 |
| Paola Guillen | 1902663602 | Behavior Technician | Goshen, IN | 2024 |
| Patricia Guillen | 1124824495 | Personal Care Attendant | Las Vegas, NV | 2025 |
| Patrick Guillen, LVN | 1053649186 | Addiction (Substance Use Disorder) Counselor | Fresno, CA | 2009 |
| Phillip Guillen, MD | 1568781268 | Orthopaedic Hand Surgery Physician | Smithtown, NY | 2010 |
| Priscilla Guillen | 1225859283 | Behavior Technician | El Segundo, CA | 2024 |
| Rafael Guillen, M.D. | 1861430076 | Internal Medicine Physician | Bronx, NY | 2006 |
| Ramiro Guillen, MD | 1104993500 | Child & Adolescent Psychiatry Physician | Scottsdale, AZ | 2006 |
| Ramiro Guillen | 1437783651 | Social Worker | Pembroke Pines, FL | 2020 |
| Ramon Hendrik Guillen | 1922732734 | Internal Medicine Physician | Laconia, NH | 2022 |
| Raquel Guillen | 1285930800 | Mental Health Counselor | Stockton, CA | 2011 |
| Ray Guillen | 1114773215 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2024 |
| Rebecca Guillen, ATC, LAT | 1144770397 | Athletic Trainer | Tampa, FL | 2016 |
| Rebecca Guillen | 1639040363 | Behavior Technician | Cabot, AR | 2025 |
| Rebecca Guillen | 1891013074 | Speech-Language Pathologist | Eureka, CA | 2010 |
| Rebekah Guillen | 1659092781 | Behavior Technician | Bakersfield, CA | 2022 |
| Rene Guillen, LPC | 1740669720 | Professional Counselor | Alton, TX | 2015 |
| Renee Guillen, DDS | 1154487999 | Dentist | Salem, OR | 2006 |
| Ricardo Guillen, D.D.S. | 1336449123 | Dentist | Sacramento, CA | 2010 |
| Ricardo Guillen, D.D.S | 1417011784 | General Practice Dentistry | Harlingen, TX | 2006 |
| Richard Guillen, PT, DPT | 1538778915 | Physical Therapist | Stockton, CA | 2020 |
| Richard Guillen | 1790599355 | Behavior Technician | Oceanside, CA | 2025 |
| Rita Guillen | 1093381329 | Behavior Technician | Bryan, TX | 2021 |
| Robert Guillen, CMT | 1679400873 | Massage Therapist | Palm Springs, CA | 2026 |
| Robert Guillen, RADT | 1821726779 | Addiction (Substance Use Disorder) Counselor | San Jose, CA | 2022 |
| Roberto Guillen, PA-C | 1881746196 | Physician Assistant | Salem, OR | 2007 |
| Rogelio Guillen | 1710288808 | Behavior Analyst | San Diego, CA | 2010 |
| Rosa Guillen, PMHNP-BC | 1952777989 | Psychiatric/Mental Health Nurse Practitioner | Santa Ana, CA | 2015 |
| Rosa Guillen, BA. | 1972942951 | Case Manager/Care Coordinator | Winter Park, FL | 2013 |
| Rosabel Guillen | 1366396491 | Pharmacist | Miami, FL | 2026 |
| Roxanne Guillen, REGISTERED NURSE | 1104026798 | Registered Nurse | Bronx, NY | 2007 |
| Ruby Guillen | 1073435244 | Behavior Technician | Monrovia, CA | 2026 |
| Ruby Guillen | 1093638512 | Behavior Technician | La Mirada, CA | 2026 |
| Ryan Guillen, MD | 1962204156 | Student in an Organized Health Care Education/Training Program | Miami, FL | 2025 |
| Samantha Guillen, COTA | 1962642009 | Occupational Therapy Assistant | Acworth, GA | 2009 |
| Samira Guillen | 1538859129 | Technician/Technologist | Sterling Heights, MI | 2023 |
| Sandra Guillen | 1114356003 | Speech-Language Pathologist | Los Angeles, CA | 2013 |
| Sandra Guillen | 1154778538 | Marriage & Family Therapist | Lancaster, CA | 2016 |
| Sandra Guillen | 1871623173 | Dental Assistant | Hauppauge, NY | 2007 |
| Sandra Guillen, APRN | 1881489524 | Nurse Practitioner | Murray, UT | 2025 |
| Sandra Guillen, PPS | 1942769880 | Mental Health Counselor | Santa Ana, CA | 2019 |
| Saul Guillen, B.S | 1447493689 | Case Manager/Care Coordinator | Compton, CA | 2009 |
| Sean Guillen, LICENSED OPTICIAN | 1720770258 | Optician | Las Vegas, NV | 2023 |
| Sergio Guillen | 1720860851 | Mental Health Counselor | Chico, CA | 2023 |
| Shannon Guillen, RPH | 1043647118 | Pharmacist | Ft Belvoir, VA | 2013 |
| Sharon Guillen | 1477049195 | Behavior Analyst | Oakland, CA | 2018 |
| Sheila Guillen, LLPC, CAADC | 1134535024 | Counselor | Centreville, MI | 2014 |
| Shelbie Guillen | 1225802317 | Peer Specialist | Stockton, CA | 2023 |
| Shyann Guillen | 1508356924 | Behavior Analyst | Kennewick, WA | 2018 |
| Skyla Guillen, LCSW | 1275497604 | Clinical Social Worker | Tucson, AZ | 2025 |
| Sobeira Guillen, LCSW-R | 1013177997 | Clinical Social Worker | Bronx, NY | 2008 |
| Stacia Guillen, FNP-C | 1609206523 | Nurse Practitioner | Newport News, VA | 2013 |
| Stephanie Guillen | 1124663885 | Speech-Language Pathologist | Miami, FL | 2019 |
| Stephanie Guillen | 1124874292 | Behavior Analyst | Humble, TX | 2024 |
| Stephanie Guillen, LMFTA | 1720730138 | Marriage & Family Therapist | Charlotte, NC | 2022 |
| Steven Guillen, MD | 1710911029 | Emergency Medicine Physician | Flemington, NJ | 2006 |
| Suzette Guillen | 1174655484 | Rehabilitation Practitioner | Pasadena, CA | 2007 |
| Tania Guillen | 1730997198 | Case Manager/Care Coordinator | El Centro, CA | 2024 |
| Tanya Guillen, RBT | 1962964890 | Behavior Technician | Salinas, CA | 2019 |
| Taylor Guillen | 1710870043 | Certified Registered Nurse Anesthetist | New Orleans, LA | 2025 |
| Teresa Guillen | 1013639384 | Marriage & Family Therapist | Long Beach, CA | 2022 |
| Terry Guillen | 1730734724 | Attendant Care Provider | Long Beach, CA | 2019 |
| Thalia Guillen, ACSW | 1851063697 | Mental Health Counselor | Merced, CA | 2021 |
| Tia Guillen, FNP | 1972345171 | Family Nurse Practitioner | Metairie, LA | 2024 |
| Tiffany Guillen, MD | 1033058854 | Student in an Organized Health Care Education/Training Program | West Palm Beach, FL | 2026 |
| Tiffany Guillen | 1972431138 | Behavior Technician | Riverside, CA | 2026 |
| Tony Guillen | 1225183296 | General Practice Dentistry | Fallon, NV | 2007 |
| Trina Guillen | 1104245935 | Behavior Analyst | Victorville, CA | 2014 |
| Trinidad Guillen, DDS | 1568503928 | General Practice Dentistry | Lovelock, NV | 2007 |
| Tristan Guillen, PHARM D. | 1255096244 | Pharmacist | Owego, NY | 2021 |
| Ursula Guillen, M.D. | 1154521383 | Neonatal-Perinatal Medicine Physician | Newark, DE | 2007 |
| Valeria Guillen | 1235023292 | Behavior Technician | El Paso, TX | 2025 |
| Vanessa Guillen, PA-C | 1427652999 | Physician Assistant | Miami, FL | 2020 |
| Vanessa Guillen, MD | 1467039990 | Emergency Medicine Physician | Rancho Mirage, CA | 2021 |
| Vanessa Guillen | 1720971021 | Massage Therapist | Exeter, CA | 2025 |
| Vanessa Guillen | 1801488572 | Professional Counselor | Chicago, IL | 2021 |
| Veronica Guillen | 1487328639 | Marriage & Family Therapist | Novato, CA | 2021 |
| Veronica Guillen | 1669109187 | Behavior Technician | Ontario, CA | 2022 |
| Victor Guillen | 1194292748 | Behavior Analyst | Antioch, CA | 2018 |
| Victoria Guillen | 1083457519 | Behavior Technician | Monrovia, CA | 2024 |
| Victoria Guillen | 1902309818 | Personal Care Attendant | Las Vegas, NV | 2018 |
| Victoria Guillen | 1942179841 | Behavior Technician | Sherwood, AR | 2025 |
| Virginia Guillen, CNP | 1386896488 | Family Nurse Practitioner | Dayton, OH | 2008 |
| Vohn Guillen | 1366178881 | Behavior Technician | Casa Grande, AZ | 2022 |
| Wendi Guillen | 1356815435 | Personal Care Attendant | Reno, NV | 2019 |
| Wendy Guillen | 1376404574 | Behavior Technician | Thousand Oaks, CA | 2025 |
| Wendy Guillen, M.S., BCBA | 1538429790 | Behavior Analyst | Miami, FL | 2012 |
| William Guillen | 1841765526 | Occupational Therapy Assistant | Waco, TX | 2018 |
| Yanira Guillen | 1750111464 | Behavior Technician | Fresno, CA | 2024 |
| Yaris Guillen | 1487391256 | Behavior Technician | Marlborough, MA | 2022 |
| Yelitza Guillen | 1992194518 | Social Worker | Doral, FL | 2015 |
| Yoanna Guillen | 1184377152 | Behavior Technician | Gardena, CA | 2022 |
| Yvonne Guillen | 1215586383 | Case Manager/Care Coordinator | Vancouver, WA | 2019 |
| Zuky Guillen | 1831774645 | Rehabilitation Practitioner | Los Angeles, CA | 2021 |
| Carolina Guillen Acosta | 1619761152 | Behavior Technician | Farmington Hills, MI | 2025 |
| Fausto Guillen Aguilar Jr | 1396445938 | Counselor | Yakima, WA | 2023 |
| Caroly Guillen Aguirre, MD | 1104566553 | Internal Medicine Physician | Waldorf, MD | 2022 |
| Ian Guillen Alvarez, MD | 1801465166 | Internal Medicine Physician | Bridgeport, CT | 2021 |
| Roboan Guillen Arguello, MD | 1366903536 | General Practice Physician | New Orleans, LA | 2019 |
| Marvin Guillen Armenta | 1750067567 | Behavior Technician | Anaheim, CA | 2023 |
| Guillermo Guillen Bastidas, SURGICAL ASSISTANT | 1912614819 | Surgical Assistant | Mokena, IL | 2022 |
| Olivia Guillen Blas, RBT | 1336866771 | Behavior Technician | Fort Mill, SC | 2022 |
| Jacqueline Guillen Botello, LPC | 1568359727 | Professional Counselor | McAllen, TX | 2025 |
| Jeannette Guillen Botello | 1295385185 | Physical Medicine & Rehabilitation Physician | Houston, TX | 2019 |
| Manuel Guillen Cartaya | 1770471500 | Behavior Technician | Miami, FL | 2025 |
| Roberto Guillen Ceballos | 1548831431 | Behavior Technician | Pembroke Pines, FL | 2021 |
| Eduard Guillen Cordero | 1467206227 | Behavior Technician | Boca Raton, FL | 2024 |
| Nicholas Guillen Couple | 1396699856 | Mental Health Counselor | Salem, OR | 2026 |
| Aixa Guillen Cuevas | 1134048978 | Community Health Worker | Oakland, CA | 2026 |
| Lisbet Guillen De La Sierra, BCBA | 1659997872 | Behavior Analyst | Orlando, FL | 2020 |
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).