Providers Michael Klein, MD to Rachel Klein
300 individual NPIs in the federal registry, part 11,576 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. 102 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Michael Klein, MD | 1033205273 | Gastroenterology Physician | Glendale, CA | 2006 |
| Michael Klein, M.D. | 1073516415 | Internal Medicine Physician | Jarrettsville, MD | 2005 |
| Michael Klein, M.D. | 1073541256 | Cardiovascular Disease Physician | Boston, MA | 2006 |
| Michael Klein, DDS | 1073701892 | Prosthodontics | New York City, NY | 2007 |
| Michael Klein, M.D. | 1083613574 | Pain Medicine (Anesthesiology) Physician | York, PA | 2005 |
| Michael Klein, OD | 1154663037 | Optometrist | Independence, MO | 2013 |
| Michael Klein, PH.D. | 1194960641 | Clinical Psychologist | New York, NY | 2008 |
| Michael Klein, MSW | 1205024239 | Clinical Social Worker | Chepachet, RI | 2007 |
| Michael Klein, M.D. | 1205826237 | Diagnostic Radiology Physician | La Jolla, CA | 2005 |
| Michael Klein, M.D. | 1215222948 | Surgery Physician | New York, NY | 2011 |
| Michael Klein, M.D. | 1235153511 | Orthopaedic Surgery Physician | Carmichael, CA | 2006 |
| Michael Klein, P.T. | 1255747739 | Physical Therapist | Columbus, OH | 2014 |
| Michael Klein | 1265135958 | Certified Registered Nurse Anesthetist | Zeeland, MI | 2023 |
| Michael Klein, MD | 1285680934 | Diagnostic Radiology Physician | Barstow, CA | 2006 |
| Michael Klein, DMD | 1306084421 | Dentist | New Hyde Park, NY | 2009 |
| Michael Klein, M.S. | 1316038748 | Mental Health Counselor | Grand Island, NE | 2006 |
| Michael Klein | 1316483993 | Physical Therapy Assistant | Geneseo, IL | 2017 |
| Michael Klein | 1316675689 | Mental Health Counselor | Ashland, OR | 2022 |
| Michael Klein, D.D.S. | 1326041310 | General Practice Dentistry | New York, NY | 2005 |
| Michael Klein, NPC | 1336131192 | Nurse Practitioner | Cleveland, OH | 2005 |
| Michael Klein, DDS | 1336141944 | Orthodontics and Dentofacial Orthopedics Dentistry | Overland Park, KS | 2005 |
| Michael Klein, MD | 1366029092 | Internal Medicine Physician | Mesa, AZ | 2021 |
| Michael Klein, D.D.S. | 1396992574 | General Practice Dentistry | Monticello, NY | 2008 |
| Michael Klein, DO | 1417960584 | Pediatrics Physician | Rio Rancho, NM | 2006 |
| Michael Klein, M.D. | 1417984980 | Anatomic Pathology & Clinical Pathology Physician | New York, NY | 2006 |
| Michael Klein, MD | 1508866757 | Nephrology Physician | Hawthorne, NY | 2005 |
| Michael Klein | 1518800242 | Counselor | Fullerton, CA | 2026 |
| Michael Klein, BES,LADC | 1578968277 | Addiction (Substance Use Disorder) Counselor | Alexandria, MN | 2014 |
| Michael Klein, FNP-C | 1588317432 | Primary Care Nurse Practitioner | Sturgis, MI | 2022 |
| Michael Klein, DPM | 1598706590 | Podiatrist | Laurel, MD | 2006 |
| Michael Klein, MD | 1609342757 | Interventional Cardiology Physician | Birmingham, MI | 2018 |
| Michael Klein | 1609743012 | Chore Provider | Scottsbluff, NE | 2025 |
| Michael Klein, D.M.D. | 1619026101 | Dentist | Encinitas, CA | 2007 |
| Michael Klein, MD | 1619065687 | Family Medicine Physician | South Easton, MA | 2006 |
| Michael Klein, PH.D. | 1619309929 | Clinical Psychologist | Brooklyn, NY | 2013 |
| Michael Klein, PHD | 1629891288 | Clinical Psychologist | San Rafael, CA | 2024 |
| Michael Klein, RPH | 1689955981 | Pharmacist | Streetsboro, OH | 2011 |
| Michael Klein, DC | 1710476791 | Chiropractor | Redmond, WA | 2018 |
| Michael Klein, DC | 1750663811 | Chiropractor | Johns Creek, GA | 2011 |
| Michael Klein, MD | 1760463434 | Anesthesiology Physician | Tempe, AZ | 2005 |
| Michael Klein, IDMT | 1770726093 | Independent Duty Medical Technicians | Nellis Afb, NV | 2009 |
| Michael Klein, M.D. | 1780654566 | Family Medicine Physician | Victoria, TX | 2006 |
| Michael Klein, M.D. | 1790133288 | Internal Medicine Physician | Coralville, IA | 2016 |
| Michael Klein, PSY.D. | 1790136711 | Clinical Psychologist | Rochester, NY | 2016 |
| Michael Klein, M.D. | 1790834737 | Family Medicine Physician | Alton, IL | 2007 |
| Michael Klein, MD | 1831158823 | Emergency Medicine Physician | Augusta, ME | 2006 |
| Michael Klein, D.D.S. | 1851529556 | Prosthodontics | Cedarhurst, NY | 2009 |
| Michael Klein, M.D. | 1871756379 | Cardiovascular Disease Physician | Saint Louis, MO | 2008 |
| Michael Klein, DO | 1912940446 | Emergency Medicine Physician | Buffalo, NY | 2006 |
| Michael Klein, MD | 1952353286 | Ophthalmology Physician | Portland, OR | 2006 |
| Michael Klein, DPM | 1962423723 | Podiatrist | East Norwich, NY | 2006 |
| Michaela Klein, D.O. | 1043330285 | Surgery Physician | Arlington Heights, IL | 2007 |
| Michal Klein, PHARMD | 1609002781 | Pharmacist | Taylors, SC | 2009 |
| Michele Klein | 1356230643 | Behavior Technician | Antioch, CA | 2025 |
| Michele Klein | 1831799782 | Behavior Technician | Winona, MN | 2020 |
| Michele Klein, MD | 1922089515 | Gynecology Physician | Potomac, MD | 2005 |
| Michele Klein, CST/CFA | 1922285717 | Surgical Technologist | Peoria, IL | 2008 |
| Micheline Klein, LCSW | 1699917641 | Clinical Social Worker | Jasper, GA | 2009 |
| Michelle Klein, MSW,CSW | 1003096413 | Clinical Social Worker | West Bloomfield, MI | 2007 |
| Michelle Klein, M.ED., LPC, NCC | 1164770244 | Mental Health Counselor | State College, PA | 2012 |
| Michelle Klein, NP-C | 1275902785 | Family Nurse Practitioner | Baltimore, MD | 2015 |
| Michelle Klein, D.C., C.N.S. | 1356662399 | Nutrition Chiropractor | Great Neck, NY | 2010 |
| Michelle Klein, M.D., M.S. | 1366657835 | Pediatric Endocrinology Physician | New York, NY | 2007 |
| Michelle Klein, PT | 1386785467 | Physical Therapist | Lake Stevens, WA | 2007 |
| Michelle Klein, LMSW | 1437719028 | Clinical Social Worker | Gaylord, MI | 2019 |
| Michelle Klein, LPC | 1477878189 | Mental Health Counselor | San Antonio, TX | 2010 |
| Michelle Klein | 1497040596 | Pharmacist | Covington, LA | 2011 |
| Michelle Klein | 1548047673 | Counselor | Chestnut Hill, MA | 2023 |
| Michelle Klein, PHARMD | 1649682881 | Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist | Klamath Falls, OR | 2014 |
| Michelle Klein, RN | 1770152928 | Registered Nurse | Nacogdoches, TX | 2021 |
| Michelle Klein, M.D. | 1801154018 | Diagnostic Radiology Physician | New York, NY | 2012 |
| Michelle Klein | 1801288139 | Clinical Laboratory Director (Non-physician) | Englewood, CO | 2015 |
| Michelle Klein, RECOVERY ADVOCATE | 1891987228 | Case Manager/Care Coordinator | Melbourne, AR | 2007 |
| Michelle Klein, DC | 1992498075 | Chiropractor | Lagrange, GA | 2023 |
| Mike Klein, M.D. | 1639164676 | Surgery Physician | Salinas, CA | 2005 |
| Milton Klein, MD | 1689673568 | Cardiovascular Disease Physician | Houston, TX | 2005 |
| Milton Klein, D.O. | 1740287127 | Pain Medicine (Physical Medicine & Rehabilitation) Physician | Coraopolis, PA | 2005 |
| Mindy Klein, LPC | 1568777878 | Professional Counselor | Flemington, NJ | 2010 |
| Miranda Klein | 1245812155 | Physical Therapy Assistant | Baltimore, MD | 2021 |
| Miri Klein | 1447984026 | Case Manager/Care Coordinator | Monroe, NY | 2022 |
| Miriam Klein, PT | 1023397353 | Physical Therapist | Miami, FL | 2011 |
| Miriam Klein | 1275493397 | Specialist | Brooklyn, NY | 2025 |
| Miriam Klein | 1508223348 | Social Worker | Jamaica, NY | 2016 |
| Miriam Klein | 1801291695 | Speech-Language Pathologist | Far Rockaway, NY | 2014 |
| Miriam Klein | 1891963443 | Physical Therapist | Boca Raton, FL | 2008 |
| Miriam Klein, MS, OTR/L | 1962657320 | Occupational Therapist | Brooklyn, NY | 2008 |
| Mitchell Klein, DDS | 1356389126 | General Practice Dentistry | West Bloomfield, MI | 2006 |
| Mitchell Klein, PH.D., L.M.F.T. | 1376567305 | Clinical Psychologist | Bingham Farms, MI | 2006 |
| Mitchell Klein, MD | 1487704573 | Internal Medicine Physician | Stony Point, NY | 2007 |
| Mitchell Klein, DDS | 1750446449 | General Practice Dentistry | Lauderhill, FL | 2006 |
| Mitchell Klein, MD | 1912056086 | Diagnostic Radiology Physician | Milwaukee, WI | 2007 |
| Mollie Klein, APNP | 1467880641 | Psychiatric/Mental Health Nurse Practitioner | Waukesha, WI | 2013 |
| Molly Klein, MS, CGC | 1164853479 | Genetic Counselor (M.S.) | Atlanta, GA | 2013 |
| Molly Klein | 1245809037 | Speech-Language Pathologist | West Bloomfield, MI | 2021 |
| Molly Klein | 1265945257 | Pediatric Occupational Therapist | Charlotte, NC | 2017 |
| Molly Klein, DC | 1285158204 | Chiropractor | Smithton, IL | 2017 |
| Molly Klein, M.D. | 1902840010 | Clinical Pathology/Laboratory Medicine Physician | Minneapolis, MN | 2006 |
| Monica Klein, MD | 1104086115 | Clinical Pathology/Laboratory Medicine Physician | Rochester, MN | 2008 |
| Moran Klein | 1962889980 | Mental Health Counselor | Saint James, NY | 2015 |
| Mordecai Klein, MD | 1881629541 | Cardiovascular Disease Physician | Plano, TX | 2006 |
| Mordechai Klein, LCSW | 1265892335 | Clinical Social Worker | Brooklyn, NY | 2016 |
| Morey Klein, MD | 1245218619 | Cardiovascular Disease Physician | West Islip, NY | 2006 |
| Morgan Klein | 1225849979 | Mental Health Counselor | Waunakee, WI | 2025 |
| Morgan Klein, PHARM.D. | 1235787623 | Pharmacist | San Antonio, TX | 2019 |
| Morgan Klein | 1346161882 | Registered Nurse | Nashville, TN | 2026 |
| Morgan Klein | 1598555948 | Mental Health Counselor | Portland, OR | 2025 |
| Morgan Klein, MS | 1598686297 | Genetic Counselor (M.S.) | Roanoke, VA | 2026 |
| Morgan Klein | 1770265050 | Pharmacist | New Ulm, MN | 2023 |
| Morgan Klein, PA-C | 1821305079 | Physician Assistant | Sterling, VA | 2010 |
| Morgan Klein, MD | 1861051484 | Internal Medicine Physician | Columbus, OH | 2019 |
| Moses Klein | 1861980765 | Behavior Analyst | Brooklyn, NY | 2018 |
| Moshe Klein | 1831661453 | General Practice Dentistry | New Square, NY | 2018 |
| Mykensie Klein, COTA | 1215403621 | Occupational Therapy Assistant | Dallas, TX | 2018 |
| Myra Klein, ED.D. | 1407078041 | Psychologist | Highland Park, NJ | 2007 |
| Nachama Klein, RN | 1487450904 | Registered Nurse | Brooklyn, NY | 2025 |
| Nadav Klein, MD | 1649768557 | Hospice and Palliative Medicine (Psychiatry & Neurology) Physician | Cold Spring, NY | 2018 |
| Nadine Klein, PA | 1316986672 | Medical Physician Assistant | East Meadow, NY | 2006 |
| Nanci Klein, PH.D. | 1699861997 | Clinical Psychologist | Salt Lake City, UT | 2006 |
| Nancy Klein, DDS | 1083617070 | General Practice Dentistry | Deerfield, IL | 2005 |
| Nancy Klein, CRNA | 1093704066 | Anesthesiology Physician | Albuquerque, NM | 2005 |
| Nancy Klein, MD | 1114603487 | Emergency Medicine Physician | Bethlehem, PA | 2023 |
| Nancy Klein, R.D. | 1205826070 | Registered Dietitian | Arlington, VA | 2005 |
| Nancy Klein | 1235502022 | Clinical Social Worker | Palm Bay, FL | 2015 |
| Nancy Klein, LPCC | 1245483692 | Mental Health Counselor | North Olmsted, OH | 2008 |
| Nancy Klein, M.D. | 1255424131 | Specialist | Seattle, WA | 2006 |
| Nancy Klein, NP | 1508951476 | Family Nurse Practitioner | Elmhurst, NY | 2006 |
| Nancy Klein, PHYSICIAN ASSISTANT | 1598284093 | Surgical Physician Assistant | Philadelphia, PA | 2017 |
| Nancy Klein, LCSW | 1639238421 | Clinical Social Worker | New York, NY | 2006 |
| Nancy Klein, PHARM.D. | 1811267412 | Pharmacist | Dunedin, FL | 2012 |
| Nancy Klein, MS | 1831451053 | Specialist | Brooklyn, NY | 2012 |
| Naomi Klein, NP | 1033228143 | Psychiatric/Mental Health Nurse Practitioner | Columbia, MD | 2006 |
| Natalie Klein | 1215414958 | Behavior Analyst | Englewood, CO | 2018 |
| Natalie Klein | 1295659449 | Student in an Organized Health Care Education/Training Program | Raleigh, NC | 2026 |
| Natalie Klein, RN | 1306789359 | Addiction (Substance Use Disorder) Registered Nurse | North Charleston, SC | 2026 |
| Natalie Klein | 1326964040 | Critical Care Pharmacist | Philadelphia, PA | 2026 |
| Natalie Klein | 1992652051 | Surgical Physician Assistant | Morgantown, WV | 2026 |
| Nathan Klein, PHARM.D. | 1316771645 | Pharmacist | Portland, OR | 2024 |
| Nathan Klein, FNP-C | 1417469982 | Dermatology Physician | Phoenix, AZ | 2017 |
| Nathan Klein, O.D. | 1457792350 | Optometrist | Memphis, TN | 2013 |
| Nathan Klein, DDS | 1477559714 | General Practice Dentistry | Kansas City, MO | 2005 |
| Nathan Klein | 1780354647 | Physical Therapist | Ann Arbor, MI | 2021 |
| Nathan Klein, CRNA | 1831785831 | Certified Registered Nurse Anesthetist | Pueblo, CO | 2020 |
| Nathan Klein | 1952975674 | Mental Health Counselor | San Diego, CA | 2021 |
| Nathan Klein, LSW | 1992205934 | Social Worker | Champlin, MN | 2018 |
| Nathanael Klein, DC | 1780013375 | Chiropractor | Scranton, PA | 2013 |
| Nathaniel Klein, M.D., M.B.A., M.S. | 1780949297 | Obstetrics & Gynecology Physician | Morristown, TN | 2012 |
| Neal Klein, MD | 1639111743 | Interventional Cardiology Physician | Phoenix, AZ | 2006 |
| Neal Klein, PT | 1790715266 | Physical Therapist | Bronx, NY | 2006 |
| Nechama Klein | 1669254322 | Behavior Analyst | Lakewood, NJ | 2023 |
| Nechie Klein, BCBA, LBA | 1265209738 | Specialist | Brooklyn, NY | 2023 |
| Ned Klein, AMFT | 1174445639 | Marriage & Family Therapist | Haleiwa, HI | 2026 |
| Neil Klein, M.D. | 1558364968 | Plastic Surgery Physician | Whittier, CA | 2005 |
| Neil Klein, D.P.M. | 1891793444 | Podiatrist | Port Saint Lucie, FL | 2005 |
| Nevaeh Klein, RBT | 1316626278 | Behavior Technician | Akron, OH | 2023 |
| Nevin Klein, RBT | 1619847142 | Behavior Technician | Oviedo, FL | 2025 |
| Newton Klein, D.C. | 1023485364 | Chiropractor | Neptune, NJ | 2015 |
| Nicholas Klein, PA-C | 1154074789 | Physician Assistant | Niles, OH | 2022 |
| Nicholas Klein, PT, DPT | 1346617719 | Physical Therapist | Richmond, VA | 2015 |
| Nicholas Klein, L.A.D.C. | 1396187779 | Addiction (Substance Use Disorder) Counselor | Willmar, MN | 2013 |
| Nicholas Klein, BSW | 1841614070 | Social Worker | Alpena, MI | 2014 |
| Nichole Klein, PA-C | 1811610009 | Physician Assistant | Greensburg, PA | 2022 |
| Nick Klein | 1508729922 | Marriage & Family Therapist | Auburn, CA | 2025 |
| Nickolas Klein | 1639879273 | Behavior Technician | San Francisco, CA | 2023 |
| Nicola Klein, MD | 1245318815 | Pediatrics Physician | Oakland, CA | 2006 |
| Nicola Klein, PRS | 1982225363 | Peer Specialist | Medina, OH | 2020 |
| Nicolas Klein, PA | 1043011752 | Physician Assistant | Austin, TX | 2025 |
| Nicole Klein | 1013670587 | Behavior Technician | Orem, UT | 2021 |
| Nicole Klein | 1205727914 | Nurse Practitioner | Milford, CT | 2025 |
| Nicole Klein, MA | 1275874000 | Counselor | Pittsburgh, PA | 2013 |
| Nicole Klein, D.M.D | 1336588375 | General Practice Dentistry | Winter Haven, FL | 2013 |
| Nicole Klein, R.N. | 1346547072 | Home Health Registered Nurse | Roseville, MN | 2011 |
| Nicole Klein, NP-C | 1407121544 | Adult Health Nurse Practitioner | Colorado Springs, CO | 2012 |
| Nicole Klein, CRNA | 1467167437 | Certified Registered Nurse Anesthetist | Naples, FL | 2023 |
| Nicole Klein, LISW-S | 1508312489 | Clinical Social Worker | Cincinnati, OH | 2016 |
| Nicole Klein, PHD, RN | 1568240489 | Registered Nurse | Spanaway, WA | 2023 |
| Nicole Klein, OD | 1588004501 | Optometrist | Platteville, WI | 2013 |
| Nicole Klein, RN | 1619699501 | Hospice Registered Nurse | La Vernia, TX | 2022 |
| Nicole Klein, MA CCC-SLP | 1679036255 | Speech-Language Pathologist | Rockville, MD | 2019 |
| Nicole Klein, M.D. | 1740347111 | Otolaryngology Physician | Noblesville, IN | 2007 |
| Nicole Klein, CCC-SLP | 1740736214 | Speech-Language Pathologist | New York, NY | 2016 |
| Nicole Klein, M.D. | 1811924616 | Infectious Disease Physician | Boise, ID | 2006 |
| Nika Klein | 1750010427 | Case Manager/Care Coordinator | Brooklyn, NY | 2022 |
| Nikolai Klein | 1124894902 | Behavior Technician | Farmington Hills, MI | 2023 |
| Nina Klein, D.P.M. | 1144648197 | Foot & Ankle Surgery Podiatrist | New York, NY | 2014 |
| Nina Klein, FNP-C | 1235244542 | Family Medicine Physician | Ashley, ND | 2006 |
| Nina Klein, MD | 1245258540 | Diagnostic Radiology Physician | Cleveland, OH | 2006 |
| Noa Klein, LMT, HHP | 1699031344 | Massage Therapist | Hilo, HI | 2012 |
| Noah Klein, M.D. | 1528095387 | Ophthalmology Physician | New York, NY | 2006 |
| Noah Klein, MFT | 1831040567 | Marriage & Family Therapist | San Anselmo, CA | 2026 |
| Noli Klein, NP | 1669894895 | Family Nurse Practitioner | Richmond, VA | 2014 |
| Nora Klein, M.D. | 1467569004 | Pediatrics Physician | Houston, TX | 2006 |
| Norma Klein | 1588640999 | Anesthesiology Physician | Sacramento, CA | 2005 |
| Norman Klein | 1184668220 | Allergy & Immunology Physician | Brooklyn, NY | 2006 |
| Norman Klein, D.D.S. | 1215918776 | Dentist | Queens Village, NY | 2005 |
| Norman Klein, D.C. | 1447484936 | Chiropractor | Toluca Lake, CA | 2009 |
| Norman Klein, PH.D. | 1598860934 | Psychologist | Westport, CT | 2006 |
| Oana Klein, MD | 1427240647 | Internal Medicine Physician | Larkspur, CA | 2007 |
| Ocean Klein | 1861093270 | Homemaker | Newark, OH | 2020 |
| Olga Klein | 1699275925 | Surgery Physician | Fresno, CA | 2018 |
| Olivia Klein, PT, DPT | 1033940929 | Physical Therapist | Evansville, IN | 2024 |
| Olivia Klein | 1356701551 | Behavior Technician | Severna Park, MD | 2016 |
| Olivia Klein | 1730072216 | Behavior Technician | Fairlawn, OH | 2025 |
| Ophir Klein, M.D.,PH.D | 1215121132 | Clinical Genetics (M.D.) Physician | West Hollywood, CA | 2007 |
| Orly Klein, MD | 1053553511 | Pediatric Hematology & Oncology Physician | Palo Alto, CA | 2009 |
| Oscar Klein, M.D. | 1962546887 | Infectious Disease Physician | New York, NY | 2007 |
| Osnat Klein, LCSW | 1427440023 | Clinical Social Worker | San Antonio, TX | 2015 |
| Paige Klein, MA, CCC-SLP | 1225572449 | Speech-Language Pathologist | Parker, CO | 2016 |
| Paige Klein | 1235756198 | Behavior Technician | Elizabethtown, KY | 2020 |
| Pamela Klein, MD | 1528142916 | Pediatrics Physician | Gulf Breeze, FL | 2006 |
| Pamela Klein, MS-HNFM, CNS-CANIDAT | 1578200978 | Nutritionist | Sunset, TX | 2022 |
| Pamela Klein, RN | 1700928256 | Registered Nurse | Boston, MA | 2007 |
| Pamela Klein | 1790074672 | Physical Therapist | Los Angeles, CA | 2011 |
| Pamela Klein, M.D, | 1811299787 | Emergency Medicine Physician | New Hyde Park, NY | 2010 |
| Pamela Klein, MD | 1851254171 | Hematology & Oncology Physician | San Francisco, CA | 2025 |
| Pamela Klein, P.T. | 1881861375 | Physical Therapist | Pacifica, CA | 2008 |
| Pamela Klein, LCSW | 1972757441 | Clinical Social Worker | Flushing, NY | 2008 |
| Parker Klein | 1982569687 | Personal Care Attendant | Norfolk, NE | 2025 |
| Patrice Klein, VMD | 1861237521 | General Practice Physician | Washington Grove, MD | 2024 |
| Patricia Klein, P.A.-C | 1184628745 | Medical Physician Assistant | Winston Salem, NC | 2005 |
| Patricia Klein, RN | 1285938365 | Registered Nurse | Santa Ana, CA | 2011 |
| Patricia Klein, CRNP | 1336807429 | Family Nurse Practitioner | Bethlehem, PA | 2021 |
| Patricia Klein, RBT | 1447736731 | Behavior Technician | King Of Prussia, PA | 2018 |
| Patricia Klein | 1679287031 | Hearing Instrument Specialist | Carlsbad, CA | 2023 |
| Patricia Klein, MD | 1720048648 | Neurology Physician | Westwood, NJ | 2006 |
| Patricia Klein | 1740153634 | Occupational Therapist | Wilkes Barre, PA | 2025 |
| Patricia Klein, LMSW | 1801192877 | Social Worker | Penfield, NY | 2011 |
| Patricia Klein | 1972338366 | Clinical Social Worker | Towson, MD | 2024 |
| Patrick Klein, LLMSW, CAADC-DP | 1124767009 | Clinical Social Worker | Battle Creek, MI | 2022 |
| Patrick Klein, LCSW | 1407877939 | Clinical Social Worker | Palm Harbor, FL | 2006 |
| Patrick Klein, APNP | 1962286476 | Nurse Practitioner | Dodgeville, WI | 2023 |
| Patrizia Klein, PSYD., LPC | 1528408226 | Counselor | Ridgefield, CT | 2013 |
| Patti Klein, D.O | 1265457345 | Neurology Physician | New York, NY | 2006 |
| Patti Klein, MD | 1538244397 | Specialist | Manhasset, NY | 2006 |
| Paul Klein, D.C. | 1194757344 | Chiropractor | York, PA | 2006 |
| Paul Klein, O.D. | 1245222660 | Optometrist | Fort Lauderdale, FL | 2005 |
| Paul Klein | 1518716612 | Health Educator | Seattle, WA | 2024 |
| Paul Klein, PSY.D. | 1558304089 | Psychologist | Palo Alto, CA | 2006 |
| Paul Klein, LMT | 1598836942 | Massage Therapist | Waipahu, HI | 2006 |
| Paul Klein | 1639172901 | Family Nurse Practitioner | Lake Havasu City, AZ | 2005 |
| Paul Klein, DPM | 1649348947 | Primary Podiatric Medicine Podiatrist | Wayne, NJ | 2006 |
| Paul Klein, DDS | 1841532611 | Dentist | Boynton Beach, FL | 2013 |
| Paul Klein | 1871184051 | Marriage & Family Therapist | Oakland, CA | 2021 |
| Paul Klein, DDS | 1962661942 | General Practice Dentistry | Yonkers, NY | 2008 |
| Paula Klein, M.D. | 1568450781 | Hematology & Oncology Physician | New York, NY | 2005 |
| Pauline Klein, MSW | 1083121552 | Clinical Social Worker | Washington, DC | 2018 |
| Pavel Klein, MD | 1770528648 | Epilepsy Physician | Bethesda, MD | 2006 |
| Paytra Klein, MD, MBA | 1467253336 | Student in an Organized Health Care Education/Training Program | Orange, CA | 2025 |
| Pearl Klein, OTR/L | 1194401935 | Specialist | Brooklyn, NY | 2023 |
| Pearson Klein, MA, BCBA | 1558616078 | Behavior Analyst | Ocala, FL | 2012 |
| Peggy Klein, ARNP-C | 1376835991 | Adult Health Nurse Practitioner | Oviedo, FL | 2011 |
| Peggyanne Klein, RN | 1295152460 | Psychiatric/Mental Health Registered Nurse | Toledo, OH | 2014 |
| Penny Klein, APN | 1568667467 | Women's Health Nurse Practitioner | New Brunswick, NJ | 2007 |
| Penny Klein, LISAC | 1942617519 | Counselor | Eloy, AZ | 2014 |
| Perri Klein, LPC | 1033818711 | Professional Counselor | Denver, CO | 2023 |
| Perri Klein | 1851212583 | Behavior Technician | Baltimore, MD | 2026 |
| Perry Klein, LMHC | 1871785345 | Mental Health Counselor | Orlando, FL | 2007 |
| Pessie Klein | 1114514585 | Specialist | Brooklyn, NY | 2020 |
| Peter Klein, DDS | 1023235603 | General Practice Dentistry | Pompano Beach, FL | 2007 |
| Peter Klein | 1194367342 | Addiction (Substance Use Disorder) Counselor | Brunswick, GA | 2019 |
| Peter Klein, MD PHD | 1467495788 | Hematology (Internal Medicine) Physician | Philadelphia, PA | 2006 |
| Peter Klein, DDS | 1477671295 | General Practice Dentistry | Greenville, NC | 2007 |
| Peter Klein, M.D. | 1669444147 | Dermatology Physician | Port Jefferson Station, NY | 2006 |
| Peter Klein, D.D.S. | 1730209420 | General Practice Dentistry | Coram, NY | 2007 |
| Peter Klein, PH D | 1740381219 | Psychologist | Menlo Park, CA | 2006 |
| Peter Klein, DC | 1780741637 | Chiropractor | Lacey, WA | 2007 |
| Peter Klein, MD | 1912900036 | Colon & Rectal Surgery Physician | Sylvania, OH | 2005 |
| Peyton Klein, OTD, OTR/L | 1528954732 | Occupational Therapist | Fargo, ND | 2025 |
| Philip Klein, DDS | 1881771772 | Dentist | Brooklyn, NY | 2006 |
| Philip Klein, MD | 1952393522 | Nephrology Physician | Westfield, NJ | 2005 |
| Phillip Klein | 1457564411 | Psychiatric Pharmacist | Tacoma, WA | 2007 |
| Phillip Klein, D.C. | 1548485626 | Chiropractor | Spring Valley, NY | 2007 |
| Phillip Klein, DOM | 1750928917 | Acupuncturist | Albuquerque, NM | 2019 |
| Phyllis Klein, M.SCCC/SLP | 1215214218 | Speech-Language Pathologist | Mineola, NY | 2011 |
| Phyllis Klein, LCSW | 1396870515 | Clinical Social Worker | Stamford, CT | 2007 |
| Phyllis Klein, M.D. | 1932166519 | Hematology & Oncology Physician | West Covina, CA | 2006 |
| Phyllis Klein, LCSW | 1982750139 | Clinical Social Worker | San Francisco, CA | 2007 |
| Piers Klein | 1346198660 | Student in an Organized Health Care Education/Training Program | Boston, MA | 2026 |
| Poala Klein | 1396949921 | Mental Health Counselor | Oklahoma City, OK | 2007 |
| Preston Klein, MD | 1326892191 | Student in an Organized Health Care Education/Training Program | Charlottesville, VA | 2024 |
| Rachael Klein | 1558933275 | Community Health Worker | Huntington, WV | 2021 |
| Rachael Klein | 1659077337 | Art Therapist | Pearl River, NY | 2023 |
| Rachael Klein, MD | 1831585983 | Hospitalist Physician | Chicago, IL | 2015 |
| Rachel Klein, LMSW | 1013484849 | Social Worker | Monroe, NY | 2018 |
| Rachel Klein | 1043937329 | Addiction (Substance Use Disorder) Counselor | Denver, CO | 2022 |
| Rachel Klein | 1053995209 | Marriage & Family Therapist | St Louis Park, MN | 2021 |
| Rachel Klein | 1073199691 | Counselor | Grass Valley, CA | 2021 |
| Rachel Klein | 1174276364 | Mental Health Counselor | Eugene, OR | 2022 |
| Rachel Klein, LICSW | 1245732825 | Clinical Social Worker | Boston, MA | 2018 |
| Rachel Klein, LMFT | 1295525855 | Marriage & Family Therapist | Los Angeles, CA | 2025 |
| Rachel Klein, PHD | 1316161771 | Clinical Child & Adolescent Psychologist | New York, NY | 2007 |
| Rachel Klein, M.D. | 1316263833 | Psychiatry Physician | New Haven, CT | 2010 |
| Rachel Klein, MS, CGC | 1316926561 | Genetic Counselor (M.S.) | Teaneck, NJ | 2006 |
| Rachel Klein | 1497249742 | Occupational Therapist | Lakewood, NJ | 2018 |
| Rachel Klein, BCBA | 1497641187 | Behavior Analyst | Lakewood, NJ | 2025 |
| Rachel Klein, RN | 1508285057 | Registered Nurse | Fort Wayne, IN | 2014 |
| Rachel Klein, LCSW | 1619419843 | Social Worker | Nanuet, NY | 2016 |
| Rachel Klein | 1639905797 | Doula | Jeffersonville, IN | 2024 |
| Rachel Klein | 1700395688 | Physician Assistant | Wilton Manors, FL | 2017 |
| Rachel Klein, LCSW | 1760145585 | Clinical Social Worker | Dobbs Ferry, NY | 2021 |
| Rachel Klein | 1770999393 | Geriatric Physical Therapist | Holland, OH | 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).