Providers Angeline Klein to Corey Klein, PT, DPT
300 individual NPIs in the federal registry, part 11,570 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. 98 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Angeline Klein | 1255147435 | Social Worker | Merrick, NY | 2024 |
| Anissa Klein, LPN | 1831806199 | Licensed Practical Nurse | Warren, OH | 2022 |
| Ann Klein, MD | 1003861261 | Family Medicine Physician | Greenwood Village, CO | 2006 |
| Ann Klein, RD CDE | 1053360578 | Endocrinology, Diabetes & Metabolism Physician | West Seneca, NY | 2006 |
| Ann Klein, LCSW C MSW | 1114054434 | Clinical Social Worker | Columbia, MD | 2007 |
| Ann Klein, RN NP | 1306041157 | Nurse Practitioner | Easton, PA | 2007 |
| Ann Klein, RPH | 1508329715 | Pharmacist | Akron, OH | 2019 |
| Ann Klein | 1801600135 | Licensed Practical Nurse | Saint Cloud, MN | 2025 |
| Anna Klein | 1174072532 | Mental Health Counselor | Boston, MA | 2016 |
| Anna Klein | 1518823426 | Occupational Therapist | King Of Prussia, PA | 2026 |
| Anna Klein, PA-C | 1528855129 | Physician Assistant | Dayton, OH | 2025 |
| Anna Klein, PA-C | 1861853145 | Cardiovascular Disease Physician | Lynchburg, VA | 2016 |
| Anna Klein | 1881390862 | Physician Assistant | Robins Afb, GA | 2023 |
| Annaliese Klein, AP | 1720765951 | Acupuncturist | Bonita Springs, FL | 2023 |
| Anne Klein, MFT | 1316487168 | Marriage & Family Therapist | Benicia, CA | 2017 |
| Anne Klein, PT | 1376317370 | Physical Therapist | Summerville, SC | 2023 |
| Anne Klein, RPA-C | 1386844249 | Physician Assistant | Williamsville, NY | 2007 |
| Anne Klein, PA-C | 1962479683 | Physician Assistant | Burlington, VT | 2006 |
| Annmarie Klein, RD | 1407335243 | Registered Dietitian | Conyers, GA | 2018 |
| Anthony Klein, CASAC | 1063725224 | Addiction (Substance Use Disorder) Counselor | Rochester, NY | 2010 |
| Anthony Klein, DDS | 1144381377 | General Practice Dentistry | Evansville, IN | 2006 |
| April Klein, CRNA | 1619317138 | Certified Registered Nurse Anesthetist | Columbia, SC | 2013 |
| Aria Klein, CRNA | 1336871490 | Certified Registered Nurse Anesthetist | Wright Patterson Afb, OH | 2022 |
| Ariana Klein, MD | 1619331014 | Internal Medicine Physician | Houston, TX | 2016 |
| Aric Klein, D.D.S. | 1699858167 | General Practice Dentistry | Houston, TX | 2006 |
| Ariel Klein | 1275015265 | Speech-Language Pathologist | New York, NY | 2018 |
| Ariel Klein | 1649529751 | Psychologist | New York, NY | 2012 |
| Arielle Klein | 1346615226 | Addiction (Substance Use Disorder) Counselor | Lafayette, CO | 2015 |
| Arielle Klein, LMHC | 1790343259 | Mental Health Counselor | Cambridge, MA | 2019 |
| Arlene Klein, RPT, M.S. | 1114230612 | Pediatric Physical Therapist | Port Washington, NY | 2010 |
| Arlene Klein, COUNSELOR | 1710197249 | Addiction (Substance Use Disorder) Counselor | Franklin Square, NY | 2007 |
| Arnold Klein, P.T. | 1083066757 | Physical Therapist | Santa Monica, CA | 2016 |
| Arnold Klein, M.D. | 1427162536 | Specialist | Portland, OR | 2006 |
| Arthur Klein, MD | 1245236579 | Urology Physician | Knoxville, TN | 2005 |
| Arthur Klein, MD | 1477640555 | Pediatrics Physician | New York, NY | 2006 |
| Arthur Klein, DO | 1568486793 | Family Medicine Physician | Washingtonville, NY | 2006 |
| Arthur Klein, M.D. | 1720193204 | Infectious Disease Physician | East Setauket, NY | 2006 |
| Arthur Klein, M.D. | 1881664381 | Anesthesiology Physician | Los Angeles, CA | 2006 |
| Arthur Klein, D.C. | 1962578641 | Chiropractor | New Milford, CT | 2006 |
| Asaf Klein, M.D. | 1669761631 | Rheumatology Physician | Hewlett, NY | 2011 |
| Ashira Klein, MD | 1003375130 | Pediatric Emergency Medicine (Pediatrics) Physician | Houston, TX | 2019 |
| Ashley Klein | 1043848815 | Obstetrics & Gynecology Physician | Syracuse, NY | 2020 |
| Ashley Klein, LPC, LCDC | 1083384283 | Professional Counselor | Dallas, TX | 2021 |
| Ashley Klein, PT, DPT | 1285012047 | Physical Therapist | San Antonio, TX | 2015 |
| Ashley Klein | 1407433907 | Student in an Organized Health Care Education/Training Program | Louisville, KY | 2021 |
| Ashley Klein | 1457109779 | Counselor | Brighton, CO | 2024 |
| Ashley Klein, DPT | 1497120208 | Specialist | Englewood, CO | 2015 |
| Ashley Klein, LMT | 1821337965 | Massage Therapist | Vancouver, WA | 2013 |
| Ashley Klein, RD | 1871788919 | Registered Dietitian | Syosset, NY | 2007 |
| Ashley Klein, PT | 1932492204 | Physical Therapist | Sedalia, MO | 2011 |
| Ashley Klein | 1982358933 | Physical Medicine & Rehabilitation Physician | Derby, CT | 2022 |
| Ashlyn Klein | 1255196077 | Behavior Technician | Orem, UT | 2024 |
| Atara Klein, CPM | 1629512397 | Midwife | Baltimore, MD | 2016 |
| Athena Klein, OT | 1508528134 | Occupational Therapist | Davie, FL | 2021 |
| Audrey Klein | 1144825035 | Pharmacist | Chambersburg, PA | 2020 |
| Austin Klein, MD | 1164125316 | Student in an Organized Health Care Education/Training Program | Worcester, MA | 2023 |
| Ava Klein, ATC | 1083064471 | Athletic Trainer | Seattle, WA | 2016 |
| Avery Klein | 1154127892 | Behavior Technician | Libertyville, IL | 2025 |
| Avi Klein | 1356041776 | Family Nurse Practitioner | Garrison, MD | 2023 |
| Avi Klein, LCSW | 1942511514 | Social Worker | New York, NY | 2010 |
| Avniel Klein, M.D., PH.D. | 1366580631 | Physical Medicine & Rehabilitation Physician | New York, NY | 2007 |
| Bailey Klein, DMD | 1780180117 | General Practice Dentistry | Kimball, MI | 2018 |
| Bailey Klein | 1821881541 | Physical Therapist | Indian Land, SC | 2025 |
| Barbara Klein, MD MPH | 1043286578 | Ophthalmology Physician | Madison, WI | 2006 |
| Barbara Klein, WHNP | 1477537629 | Women's Health Nurse Practitioner | Wilmington, NC | 2005 |
| Barbara Klein, M.H.S., L.C.A.D.C. | 1508044116 | Addiction (Substance Use Disorder) Counselor | Flemington, NJ | 2008 |
| Barbara Klein, MS LICSW | 1578509519 | Social Worker | St Cloud, MN | 2006 |
| Barbara Klein, MA CCC-SLP | 1912028515 | Speech-Language Pathologist | Park Ridge, IL | 2007 |
| Barry Klein, PSYD | 1023292398 | Clinical Child & Adolescent Psychologist | Millburn, NJ | 2007 |
| Barry Klein, MD | 1073585212 | Diagnostic Radiology Physician | Thousand Oaks, CA | 2006 |
| Barry Klein, PH.D. | 1184658965 | Psychologist | Suwanee, GA | 2006 |
| Barry Klein, DC | 1194999292 | Chiropractor | Pembroke Pines, FL | 2008 |
| Barry Klein, D.C. | 1285715706 | Chiropractor | Dalton, GA | 2006 |
| Barry Klein, DMD | 1346327228 | General Practice Dentistry | Lewisberry, PA | 2006 |
| Barry Klein, DPM | 1962492629 | Podiatrist | Pine Hill, NJ | 2005 |
| Basya Klein | 1083153654 | Specialist | Brooklyn, NY | 2017 |
| Beate Klein | 1558688101 | Clinical Social Worker | Richmond, CA | 2010 |
| Bella Klein | 1689544488 | Behavior Technician | Hammond, LA | 2025 |
| Ben Klein, PHD | 1649203134 | Clinical Psychologist | Albuquerque, NM | 2006 |
| Benjamin Klein, DO | 1003331919 | Family Medicine Physician | Plantation, FL | 2017 |
| Benjamin Klein, PSY.D. | 1023535549 | Clinical Psychologist | Temple, TX | 2017 |
| Benjamin Klein, L.M.F.T. | 1497981997 | Marriage & Family Therapist | Connersville, IN | 2009 |
| Benjamin Klein, PT | 1710006762 | Physical Therapist | West Palm Beach, FL | 2007 |
| Benjamin Klein, PH.D. | 1851727606 | Clinical Psychologist | New York, NY | 2013 |
| Benjamin Klein, MD | 1881536381 | Student in an Organized Health Care Education/Training Program | Louisville, KY | 2026 |
| Benjamin Klein, DO | 1952980534 | Student in an Organized Health Care Education/Training Program | Miami Beach, FL | 2021 |
| Bentley Klein, NP | 1689223851 | Nurse Practitioner | Roswell, GA | 2019 |
| Beri Klein, MSW | 1235594052 | Clinical Social Worker | Flint, MI | 2015 |
| Bernard Klein, DDS | 1477711224 | Dentist | New York City, NY | 2008 |
| Bernard Klein, M.D. | 1831382738 | Internal Medicine Physician | Thousand Oaks, CA | 2007 |
| Bernice Klein, LPC | 1801959010 | Professional Counselor | Manalapan, NJ | 2006 |
| Bert Klein, M.D. | 1417977513 | Internal Medicine Physician | Burlington, NC | 2006 |
| Beth Klein, PHD | 1396968020 | Clinical Neuropsychologist | Weston, FL | 2007 |
| Beth Klein, MD | 1437236643 | Psychiatry Physician | Reno, NV | 2006 |
| Beth Klein, LPC | 1659201689 | Professional Counselor | Palatine, IL | 2026 |
| Bethany Klein, CCC-SLP | 1619609260 | Speech-Language Pathologist | Temple, TX | 2022 |
| Bethany Klein | 1841657269 | Physical Therapy Assistant | Reidsville, NC | 2016 |
| Bethany Klein | 1962747147 | Occupational Therapist | Gettysburg, PA | 2012 |
| Betsy Klein, RD | 1477513695 | Specialist | Miami Beach, FL | 2006 |
| Betsy Klein, BETSY KLEIN, LPC | 1841515715 | Mental Health Counselor | Findlay, OH | 2010 |
| Bette Klein, RD | 1699952150 | Registered Dietitian | Cleveland, OH | 2008 |
| Betty Klein, MD | 1215992490 | Ophthalmology Physician | Santa Fe, NM | 2006 |
| Bezalel Klein | 1114754355 | Specialist | Brooklyn, NY | 2024 |
| Binnie Klein, L.C.S.W. | 1801008024 | Clinical Social Worker | New Haven, CT | 2007 |
| Blake Klein | 1790394773 | Counselor | Grass Valley, CA | 2020 |
| Blane Klein | 1205628831 | Home Health Aide | Barberton, OH | 2025 |
| Bonnie Klein, SLP | 1730349424 | Speech-Language Pathologist | Dix Hills, NY | 2008 |
| Bracha Klein | 1669241196 | Behavior Analyst | Lakewood, NJ | 2023 |
| Brad Klein, M.D. | 1659572337 | Neurology Physician | Abington, PA | 2007 |
| Bradley Klein | 1073495420 | Registered Nurse | Minneapolis, MN | 2025 |
| Bradley Klein, APNP | 1114579612 | Family Nurse Practitioner | Waupaca, WI | 2019 |
| Bradley Klein, M.D. | 1619314705 | Neurology Physician | Fort Myers, FL | 2013 |
| Bradley Klein, D.O. | 1922012400 | Psychiatry Physician | Southfield, MI | 2006 |
| Brandi Klein, RD | 1831631357 | Registered Dietitian | Cuyahoga Falls, OH | 2016 |
| Brandon Klein, PHARMD | 1124501036 | Pharmacist | Edmonds, WA | 2018 |
| Brandon Klein, D.D.S. | 1659691608 | General Practice Dentistry | Rock Falls, IL | 2010 |
| Brandon Klein | 1851033658 | Pediatric Surgery Physician | Los Angeles, CA | 2022 |
| Brandon Klein, DO | 1881223980 | Sports Medicine (Orthopaedic Surgery) Physician | Forest Hills, NY | 2020 |
| Breann Klein | 1881510246 | Day Training/Habilitation Specialist | Lincoln, NE | 2026 |
| Breanna Klein | 1386394054 | Registered Nurse | San Diego, CA | 2022 |
| Breanna Klein | 1619685070 | Mental Health Counselor | Cumming, GA | 2022 |
| Breanne Klein, APN | 1255165775 | Nurse Practitioner | Winfield, IL | 2024 |
| Breck Klein, RPH | 1144594391 | Pharmacist | Aiken, SC | 2012 |
| Brendan Klein | 1629459748 | Neurological Surgery Physician | Roanoke, VA | 2015 |
| Brett Klein, RD, CDN | 1861934259 | Registered Dietitian | Brooklyn, NY | 2016 |
| Brian Klein, PHD | 1104537570 | Clinical Psychologist | Indianapolis, IN | 2022 |
| Brian Klein, M.D. | 1528488665 | Internal Medicine Physician | Scarsdale, NY | 2014 |
| Brian Klein, D.M.D | 1568653376 | Oral and Maxillofacial Surgery (Dentist) | Randolph, NJ | 2007 |
| Brian Klein, P.A. | 1700134640 | Physician Assistant | Ocala, FL | 2012 |
| Brian Klein, DPT | 1841713302 | Physical Therapist | Houston, TX | 2017 |
| Brianna Klein | 1124817192 | Clinical Social Worker | Aurora, CO | 2025 |
| Brianna Klein | 1265123392 | Behavior Technician | Fresno, CA | 2023 |
| Bridget Klein | 1447070107 | Pharmacist | Amherst, NY | 2024 |
| Bridget Klein | 1780209502 | Speech-Language Pathologist | Pittsburgh, PA | 2020 |
| Bridget Klein | 1790678209 | Registered Nurse | Melville, NY | 2025 |
| Bridget Klein, LMT | 1952876435 | Massage Therapist | Louisville, KY | 2018 |
| Bridgette Klein, DO | 1831871722 | Student in an Organized Health Care Education/Training Program | Marshfield, WI | 2023 |
| Brielle Klein | 1992267108 | Anesthesiology Physician | Fort Sam Houston, TX | 2019 |
| Brita Klein, MD | 1821261413 | Psychiatry Physician | Burlington, VT | 2008 |
| Brittany Klein | 1023601226 | Physician Assistant | Carrollton, TX | 2021 |
| Brittany Klein, DDS | 1114554219 | Oral Medicine Dentistry | Boston, MA | 2020 |
| Brittany Klein | 1275043507 | Adult Health Nurse Practitioner | New York, NY | 2017 |
| Brittany Klein, FNP-BC | 1366919227 | Family Nurse Practitioner | Rockford, IL | 2018 |
| Brittany Klein, LPC | 1386196632 | Professional Counselor | Houston, TX | 2016 |
| Brittany Klein, LMSW | 1467021329 | Clinical Social Worker | Sterling Heights, MI | 2021 |
| Brittany Klein, LPTA | 1467851345 | Physical Therapy Assistant | Clare, MI | 2014 |
| Brittney Klein, CRNA | 1801333851 | Certified Registered Nurse Anesthetist | Helena, MT | 2017 |
| Brooks Klein, PT | 1104680164 | Physical Therapist | Peoria, AZ | 2024 |
| Bruce Klein, MD | 1073589727 | Pediatric Infectious Diseases Physician | Madison, WI | 2006 |
| Bruce Klein, MD | 1083708176 | Pediatric Emergency Medicine (Emergency Medicine) Physician | Washington, DC | 2006 |
| Bruce Klein, ND LMP | 1275614000 | Naturopath | Bellevue, WA | 2006 |
| Bruce Klein, MD | 1275640302 | Pediatrics Physician | Hammonton, NJ | 2006 |
| Bruce Klein, MSW | 1841336914 | Clinical Social Worker | Stratford, CT | 2007 |
| Bruce Klein, M.D. | 1871534479 | Orthopaedic Surgery Physician | Canandaigua, NY | 2006 |
| Bruce Klein, LMHC | 1922217421 | Mental Health Counselor | East Meadow, NY | 2007 |
| Bruna Klein, PH.D | 1740879642 | Clinical Psychologist | Florence, MA | 2021 |
| Bryan Klein, RN | 1609758507 | Critical Care Medicine Registered Nurse | Lexington, KY | 2025 |
| Bryce Klein, M. ED. | 1679299622 | Mental Health Counselor | Saint Charles, MO | 2022 |
| Brynn Klein, RD,LD | 1437869294 | Registered Dietitian | Fargo, ND | 2022 |
| Caitlin Klein, PA | 1225670516 | Physician Assistant | Natrona Heights, PA | 2019 |
| Caitlin Klein, OT | 1477279818 | Occupational Therapist | Colorado Springs, CO | 2022 |
| Caitlin Klein, NP | 1659263978 | Adult Health Nurse Practitioner | Ann Arbor, MI | 2025 |
| Caitlin Klein, LAC | 1669967899 | Acupuncturist | Brooklyn, NY | 2018 |
| Caitlyn Klein, PHARMD | 1306279286 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | San Francisco, CA | 2013 |
| Caleb Klein, DPT | 1598338543 | Physical Therapist | Milwaukee, WI | 2021 |
| Caleigh Klein | 1710722723 | Athletic Trainer | Miami, FL | 2024 |
| Callison Klein, COTA/L | 1629725841 | Occupational Therapy Assistant | Lawton, OK | 2022 |
| Calvin Klein, MD | 1033236765 | Hematology & Oncology Physician | Santa Monica, CA | 2007 |
| Cameron Klein, LMFT | 1801400692 | Marriage & Family Therapist | Thousand Oaks, CA | 2020 |
| Camille Klein, RN | 1134366883 | Registered Nurse | Anderson, SC | 2009 |
| Camryn Klein, PA | 1851102347 | Physician Assistant | Everett, WA | 2025 |
| Candace Klein, CRNA | 1023247889 | Certified Registered Nurse Anesthetist | Fort Myers, FL | 2009 |
| Candice Klein, CANDICE KLEIN | 1922298827 | Massage Therapist | Indialantic, FL | 2007 |
| Cara Klein, PH.D. | 1023239357 | Psychologist | Roslyn Heights, NY | 2007 |
| Cara Klein, DNP | 1376066605 | Family Nurse Practitioner | Coldwater, MI | 2017 |
| Caren Klein, LCSW | 1104902188 | Clinical Social Worker | Wells, ME | 2006 |
| Caren Klein, LCSW | 1487719068 | Clinical Social Worker | Columbia, MD | 2006 |
| Cari Klein | 1578334694 | Speech-Language Pathologist | Ames, IA | 2024 |
| Carina Klein, PCC | 1386899607 | Counselor | Akron, OH | 2008 |
| Carissa Klein | 1679057038 | Clinical Social Worker | San Luis Obispo, CA | 2018 |
| Carly Klein | 1407450109 | Speech-Language Pathologist | New York, NY | 2020 |
| Carly Klein | 1437734829 | Social Worker | Aurora, CO | 2021 |
| Carly Klein, APSW | 1891237582 | Clinical Social Worker | Milwaukee, WI | 2016 |
| Carol Klein, M.D. | 1194880534 | Family Medicine Physician | Carrboro, NC | 2006 |
| Carol Klein, MD | 1255370417 | Psychiatry Physician | Huntington, WV | 2006 |
| Carol Klein, CRNA | 1366644973 | Certified Registered Nurse Anesthetist | New York, NY | 2007 |
| Carol Klein, MSW | 1629180286 | Clinical Social Worker | Boston, MA | 2006 |
| Carol Klein, ED D | 1801881263 | School Psychologist | Lafayette Hill, PA | 2005 |
| Carol Klein, MD | 1831184589 | Family Medicine Physician | Prescott, AZ | 2005 |
| Carole Klein, M.ED. | 1316067549 | Mental Health Counselor | Phoenix, AZ | 2007 |
| Carolina Klein, MD | 1851568943 | Psychiatry Physician | Napa, CA | 2008 |
| Caroline Klein, NP-C | 1114441888 | Adult Health Nurse Practitioner | Akron, OH | 2017 |
| Caroline Klein, OT | 1316663487 | Occupational Therapist | Austin, TX | 2022 |
| Carolyn Klein, MS/CCC/SLP | 1508031063 | Speech-Language Pathologist | Plover, WI | 2008 |
| Carolyn Klein, LCSW-R | 1538256540 | Clinical Social Worker | Rochester, NY | 2006 |
| Carolyn Klein, L.AC. | 1750401790 | Acupuncturist | Portland, OR | 2007 |
| Carrigan Klein, M.S.W., L.C.S.W. | 1457890337 | Clinical Social Worker | Saint Louis, MO | 2017 |
| Carson Klein, MD | 1174150783 | Family Medicine Physician | Montgomery, AL | 2020 |
| Casey Klein, D.D.S. | 1386064707 | Dentist | Denver, CO | 2014 |
| Cassandra Klein, SW | 1346609963 | Social Worker | Cleveland, OH | 2016 |
| Cassandra Klein | 1578131751 | Peer Specialist | Centralia, WA | 2021 |
| Cassidy Klein, DPT | 1205405024 | Physical Therapist | Traverse City, MI | 2021 |
| Cassie Klein | 1295298289 | Case Manager/Care Coordinator | Weatherford, OK | 2019 |
| Catherine Klein | 1083901292 | Massage Therapist | Colton, NY | 2011 |
| Catherine Klein, BSW | 1144236076 | Social Worker | Farmington, MO | 2006 |
| Catherine Klein, LCSWC | 1700813193 | Social Worker | Baltimore, MD | 2006 |
| Catherine Klein, MD | 1942276472 | Hematology & Oncology Physician | Denver, CO | 2006 |
| Cathy Klein | 1912716382 | Adult Companion | Kearney, NE | 2024 |
| Cedrick Klein | 1295468213 | Behavior Technician | Mascoutah, IL | 2022 |
| Chad Klein, OD | 1417915075 | Optometrist | Newton, IA | 2006 |
| Chad Klein, D.C. | 1427232958 | Neurology Chiropractor | San Antonio, TX | 2007 |
| Chaim Klein, DDS | 1114001518 | General Practice Dentistry | Brooklyn, NY | 2006 |
| Chana Klein | 1700252418 | Specialist | Brooklyn, NY | 2015 |
| Chana Klein, OT | 1811281256 | Occupational Therapist | Brooklyn, NY | 2011 |
| Chandra Klein, RN, BSN | 1174733505 | Community Health Registered Nurse | Fort Collins, CO | 2007 |
| Chanie Klein | 1356153217 | Speech-Language Pathologist | Los Angeles, CA | 2025 |
| Chanie Klein | 1407404353 | Specialist | Brooklyn, NY | 2019 |
| Chany Klein, M. ED | 1972224145 | Behavior Analyst | Brooklyn, NY | 2022 |
| Charis Klein, APRN | 1023520442 | Family Nurse Practitioner | Orlando, FL | 2017 |
| Charis Klein, AGACNP | 1447907753 | Nurse Practitioner | Charlotte, NC | 2022 |
| Charlene Klein, PHARMD | 1306935580 | Pharmacist | Cincinnati, OH | 2006 |
| Charles Klein, PA-C | 1700105194 | Physician Assistant | Waycross, GA | 2010 |
| Charles Klein, RPH | 1730319880 | Pharmacist | Lancaster, PA | 2009 |
| Charles Klein, MD | 1740275080 | Orthopaedic Surgery Physician | Wauwatosa, WI | 2005 |
| Charles Klein, O.D. | 1861577801 | Optometrist | Forest Hills, NY | 2006 |
| Charlotte Klein, PH.D | 1215138037 | Clinical Psychologist | Rockville Centre, NY | 2007 |
| Charlotte Klein | 1922590330 | Speech-Language Pathologist | Durham, NC | 2018 |
| Charna Klein, MD | 1447331608 | Hematology & Oncology Physician | Bronx, NY | 2006 |
| Chase Klein | 1245075860 | Mental Health Counselor | Brooklyn, NY | 2024 |
| Chasity Klein | 1710253067 | Developmental Therapist | Pompano Beach, FL | 2012 |
| Chaya Klein, BCBA | 1427791078 | Behavior Analyst | Miami, FL | 2022 |
| Chaya Klein, OTR/L | 1487190377 | Occupational Therapist | Brooklyn, NY | 2017 |
| Chaya Klein | 1821467002 | Specialist | Brooklyn, NY | 2015 |
| Chelsea Klein, LMHC, EDS | 1336633395 | Mental Health Counselor | Lake Worth, FL | 2018 |
| Chelsea Klein, DPT | 1598039760 | Physical Therapist | Merced, CA | 2012 |
| Chelsea Klein, ATC | 1659807436 | Athletic Trainer | Fallston, MD | 2017 |
| Chelsea Klein, PA-C | 1750949855 | Physician Assistant | Boulder, CO | 2019 |
| Chelsea Klein, LMSW | 1992688303 | Clinical Social Worker | New York, NY | 2025 |
| Chelsey Klein | 1083188510 | Professional Counselor | Las Vegas, NV | 2019 |
| Chelsey Klein, PHARMD | 1629673538 | Pharmacist | Binghamton, NY | 2020 |
| Cheryl Klein, M. DIV. | 1285744367 | Pastoral Counselor | Windham, ME | 2006 |
| Cheryl Klein, MD | 1700860616 | Hospitalist Physician | New Castle, IN | 2005 |
| Cheryl Klein, SLP | 1881928448 | Speech-Language Pathologist | Phoenix, AZ | 2009 |
| Chloe Klein | 1508611575 | Behavior Technician | Lombard, IL | 2024 |
| Chris Klein, LADC | 1982788329 | Mental Health Counselor | Grand Island, NE | 2006 |
| Christian Klein, M.D. | 1477513794 | Ophthalmology Physician | Canandaigua, NY | 2006 |
| Christian Klein | 1730490061 | Clinical Social Worker | Coventry, CT | 2010 |
| Christian Klein, MD | 1972160307 | Cardiovascular Disease Physician | Salt Lake City, UT | 2019 |
| Christina Klein, D.D.S. | 1124179890 | General Practice Dentistry | Staten Island, NY | 2007 |
| Christina Klein, MD | 1154731727 | Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician | Olympia, WA | 2014 |
| Christina Klein, MD | 1750428025 | Nephrology Physician | Atlanta, GA | 2007 |
| Christina Klein, PA | 1780728899 | Physician Assistant | Washingtonville, NY | 2007 |
| Christina Klein | 1821368127 | Marriage & Family Therapist | Greenbrae, CA | 2012 |
| Christina Klein | 1881456309 | Behavior Technician | San Marcos, CA | 2024 |
| Christine Klein, RN | 1124437454 | Registered Nurse | Buffalo, MN | 2014 |
| Christine Klein | 1154053783 | Marriage & Family Therapist | Dublin, CA | 2022 |
| Christine Klein, OTR | 1215019781 | Occupational Therapist | Lake City, MI | 2006 |
| Christine Klein, PT, DPT | 1235647108 | Physical Therapist | Rockledge, FL | 2018 |
| Christine Klein, RPH | 1346450780 | Pharmacist | Earth City, MO | 2007 |
| Christine Klein, OD | 1427106343 | Optometrist | San Diego, CA | 2007 |
| Christine Klein, PHARM.D | 1437456365 | Geriatric Pharmacist | Atlanta, GA | 2011 |
| Christine Klein, LPN | 1487407219 | Licensed Practical Nurse | Hoquiam, WA | 2024 |
| Christine Klein | 1508559907 | Speech-Language Pathologist | Middletown, NY | 2023 |
| Christine Klein, DMD | 1548476625 | Dentist | Richland, WA | 2007 |
| Christine Klein | 1548837933 | Social Worker | Boise, ID | 2021 |
| Christine Klein, L.AC. | 1750437992 | Acupuncturist | Aptos, CA | 2007 |
| Christine Klein, CRNA | 1831156884 | Certified Registered Nurse Anesthetist | Bingham Farms, MI | 2006 |
| Christopher Klein | 1013298124 | Behavior Analyst | Reno, NV | 2011 |
| Christopher Klein, RD | 1235993213 | Registered Dietitian | Buffalo, NY | 2024 |
| Christopher Klein, PA-C | 1265045017 | Surgical Physician Assistant | Los Angeles, CA | 2020 |
| Christopher Klein, CAA | 1285418277 | Anesthesiologist Assistant | Jacksonville, FL | 2023 |
| Christopher Klein, DPM | 1285733774 | Sports Medicine Podiatrist | New York, NY | 2006 |
| Christopher Klein, PHD | 1306216742 | Clinical Psychologist | Tulsa, OK | 2015 |
| Christopher Klein, MA | 1316548720 | Counselor | Ada, MI | 2020 |
| Christopher Klein, RPH | 1497006845 | Pharmacist | San Antonio, TX | 2012 |
| Christopher Klein, MS | 1518281724 | Speech-Language Pathologist | Elkridge, MD | 2010 |
| Christopher Klein, MD | 1578126231 | Family Medicine Physician | Arapahoe, WY | 2019 |
| Christopher Klein, M.D. | 1780658377 | Neurology Physician | Rochester, MN | 2006 |
| Christopher Klein, DMD,M.S. | 1821413352 | Orthodontics and Dentofacial Orthopedics Dentistry | Mount Vernon, IL | 2014 |
| Christopher Klein | 1891558045 | Pharmacist | Richmond, VA | 2024 |
| Cirel Klein, LMSW | 1871258657 | Social Worker | Monsey, NY | 2021 |
| Claire Klein, PT | 1275780413 | Physical Therapist | Bowling Green, KY | 2008 |
| Claire Klein | 1417842758 | Student in an Organized Health Care Education/Training Program | Pittsburgh, PA | 2025 |
| Claudia Klein, MD | 1033378930 | Anesthesiology Physician | Orange, CA | 2008 |
| Claudia Klein, MS LCP LCPC | 1164552097 | Professional Counselor | Beloit, WI | 2007 |
| Cobi Klein, NP | 1649853516 | Acute Care Nurse Practitioner | Atlanta, GA | 2021 |
| Cody Klein, PT, DPT, M.ED | 1053806059 | Physical Therapist | Stone Mountain, GA | 2018 |
| Colette Klein, PA-C | 1972952299 | Surgical Physician Assistant | Kalamazoo, MI | 2016 |
| Colleen Klein, OTRL | 1639771637 | Occupational Therapist | Grand Haven, MI | 2020 |
| Colleen Klein, NP | 1831666312 | Adult Health Nurse Practitioner | Sayville, NY | 2018 |
| Colleen Klein, M.D. | 1952796013 | Student in an Organized Health Care Education/Training Program | Aurora, CO | 2015 |
| Collette Klein, RN MSN FPMHNP-BC | 1659639862 | Psychiatric/Mental Health Nurse Practitioner | Dekalb, IL | 2012 |
| Connie Klein, N.P. | 1851320527 | Family Nurse Practitioner | Houston, TX | 2006 |
| Conor Klein, DPT | 1295405850 | Physical Therapist | Clemson, SC | 2021 |
| Conrad Klein | 1881852606 | Home Health Aide | Doylestown, OH | 2008 |
| Constance Klein, LCSW | 1699842641 | Clinical Social Worker | Aurora, CO | 2006 |
| Constance Klein | 1881708808 | Marriage & Family Therapist | Huntington Beach, CA | 2006 |
| Cordell Klein, MD | 1730183534 | Urology Physician | Texarkana, TX | 2005 |
| Coreen Klein, ARNP | 1710584099 | Family Nurse Practitioner | Seattle, WA | 2020 |
| Corey Klein, PT, DPT | 1497164305 | Physical Therapist | Stone Mountain, GA | 2014 |
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).