Providers Christopher Mason, MD to Eliana Mason, REGISTERED ASSOCIATE
300 individual NPIs in the federal registry, part 13,762 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. 71 link to a page of their own with Medicare and CMS data the registry does not carry.
| Provider | NPI | Specialty | Practice city | NPI issued |
|---|---|---|---|---|
| Christopher Mason, MD | 1245396621 | Anesthesiology Physician | Philadelphia, PA | 2006 |
| Christopher Mason, P.T. | 1275509986 | Physical Therapist | Fresno, CA | 2006 |
| Christopher Mason, MD | 1528684859 | Student in an Organized Health Care Education/Training Program | Dallas, TX | 2020 |
| Christopher Mason | 1568271443 | Student in an Organized Health Care Education/Training Program | Seattle, WA | 2025 |
| Christopher Mason, LISW | 1689879710 | Clinical Social Worker | Las Cruces, NM | 2007 |
| Christopher Mason | 1710760541 | Student in an Organized Health Care Education/Training Program | Los Angeles, CA | 2023 |
| Christopher Mason, DPM | 1710979554 | Foot & Ankle Surgery Podiatrist | Lake Mary, FL | 2005 |
| Christopher Mason | 1780017947 | Behavior Analyst | Henderson, NV | 2013 |
| Christopher Mason | 1821828831 | Addiction (Substance Use Disorder) Counselor | Oakland, CA | 2024 |
| Christopher Mason, PMHNP-BC | 1851155279 | Psychiatric/Mental Health Nurse Practitioner | Cleveland, TN | 2024 |
| Christopher Mason, D.O. | 1992947865 | Hematology & Oncology Physician | Glens Falls, NY | 2009 |
| Christy Mason | 1447939939 | Case Manager/Care Coordinator | Lexington, KY | 2023 |
| Christy Mason | 1689535627 | Assistant Behavior Analyst | Las Vegas, NV | 2025 |
| Chrystal Mason | 1245775261 | Home Health Aide | Des Moines, IA | 2016 |
| Chuck Mason, BS | 1417694498 | Mental Health Counselor | Charleston, IL | 2022 |
| Chyna Mason | 1639824238 | Speech-Language Pathologist | Daytona Beach, FL | 2022 |
| Ciara Mason | 1437622628 | Behavior Technician | Flushing, MI | 2019 |
| Ciera Mason | 1700478377 | Behavior Technician | Somerset, NJ | 2021 |
| Cindy Mason, RN | 1831461219 | Registered Nurse | Ash Flat, AR | 2012 |
| Cintia Mason, QMHP | 1740546753 | Marriage & Family Therapist | Portland, OR | 2012 |
| Claire Mason | 1457076895 | Other Specialist/Technologist | Big Rapids, MI | 2022 |
| Clarissa-Elaine Mason, MA, CCC-SLP | 1003447806 | Speech-Language Pathologist | Sutton, WV | 2020 |
| Claude Mason, MD | 1467455345 | Family Medicine Physician | Sarasota, FL | 2005 |
| Claudia Mason, MD | 1114011590 | Gynecology Physician | West Palm Beach, FL | 2006 |
| Claudia Mason, MA, LMHC, MIT | 1215365143 | Mental Health Counselor | Anacortes, WA | 2013 |
| Claudia Mason, A.UD | 1770741472 | Audiologist | High Point, NC | 2008 |
| Clifford Mason | 1881137206 | Counselor | Oklahoma City, OK | 2016 |
| Clifton Mason | 1003321472 | Physical Therapy Assistant | Lake Mary, FL | 2017 |
| Clifton Mason | 1821341967 | Mental Health Counselor | N Las Vegas, NV | 2012 |
| Clinton Mason, M.D. | 1376549303 | Anesthesiology Physician | Tulsa, OK | 2005 |
| Cody Mason, DC | 1104578491 | Chiropractor | Higginsville, MO | 2022 |
| Cody Mason, R.N. | 1649680711 | Gerontology Registered Nurse | Newark, OH | 2014 |
| Cody Mason | 1801698089 | Marriage & Family Therapist | Houston, TX | 2025 |
| Cole Mason | 1548783210 | Counselor | Taylorsville, UT | 2017 |
| Cole Mason, M.D. | 1982671475 | Specialist | Olympia, WA | 2006 |
| Colleen Mason, LSW | 1114387842 | Social Worker | Manassas, VA | 2016 |
| Connie Mason, LCSW | 1386685618 | Clinical Social Worker | Sandy, UT | 2006 |
| Constance Mason, LMSW | 1013246313 | Mental Health Counselor | Memphis, TN | 2009 |
| Constance Mason, RRT | 1619653854 | Registered Respiratory Therapist | Richmond, VA | 2023 |
| Cora Mason | 1245109453 | Behavior Technician | Palos Heights, IL | 2025 |
| Cori Mason, M.D. | 1205852159 | Anesthesiology Physician | Overland Park, KS | 2006 |
| Cornelia Mason | 1871008573 | Case Manager/Care Coordinator | Minnetonka, MN | 2017 |
| Courtney Mason, LPN | 1023776093 | Licensed Practical Nurse | Ellendale, DE | 2021 |
| Courtney Mason | 1063970176 | Behavior Technician | Merrillville, IN | 2019 |
| Courtney Mason | 1114305703 | Physical Therapy Assistant | Renovo, PA | 2015 |
| Courtney Mason, PT, DPT | 1154996403 | Physical Therapist | Lexington, KY | 2021 |
| Courtney Mason | 1205595758 | Electroneurodiagnostic Specialist/Technologist | Mason, OH | 2021 |
| Courtney Mason, PHARMD | 1306433057 | Pharmacist | Hawkinsville, GA | 2020 |
| Courtney Mason, APRN-CNP | 1316868607 | Family Nurse Practitioner | Dallas, TX | 2026 |
| Courtney Mason | 1609526524 | Student in an Organized Health Care Education/Training Program | Gainesville, FL | 2022 |
| Courtney Mason, PHD | 1770455107 | Psychologist | Broomfield, CO | 2025 |
| Courtney Mason | 1801522362 | Family Nurse Practitioner | Rocky Mount, VA | 2022 |
| Courtney Mason | 1982348389 | Case Manager/Care Coordinator | Steubenville, OH | 2022 |
| Courtney Mason, M.A. | 1992076442 | Mental Health Counselor | Elgin, IL | 2012 |
| Craig Mason | 1306514914 | Athletic Trainer | Fort Worth, TX | 2021 |
| Craig Mason, M.D. | 1366428666 | Ophthalmology Physician | Fargo, ND | 2005 |
| Craig Mason | 1396759403 | Social Worker | Saint Louis, MO | 2006 |
| Craig Mason | 1528490463 | Specialist | Astoria, NY | 2013 |
| Craig Mason, PT, DPT, ATC | 1689127508 | Physical Therapist | Midlothian, VA | 2016 |
| Craig Mason, MD | 1891373759 | Student in an Organized Health Care Education/Training Program | Barberton, OH | 2021 |
| Craig Mason, DDS | 1932220910 | General Practice Dentistry | Kailua, HI | 2007 |
| Crista Mason, PHARMD | 1003317314 | Pharmacist | Austin, TX | 2018 |
| Cristine Mason, LPC | 1699149161 | Professional Counselor | O Fallon, MO | 2015 |
| Crystal Mason, RBT | 1104526425 | Behavior Technician | Palm City, FL | 2023 |
| Crystal Mason, LCADC | 1134739600 | Addiction (Substance Use Disorder) Counselor | Owings Mills, MD | 2020 |
| Crystal Mason | 1205443389 | Behavior Technician | Colorado Springs, CO | 2020 |
| Crystal Mason, LPN | 1538550090 | Licensed Practical Nurse | Columbus, GA | 2015 |
| Crystal Mason, PHARMD | 1609114925 | Pharmacist | Coral Springs, FL | 2013 |
| Curtis Mason, DPT | 1699833061 | Physical Therapist | Burley, ID | 2006 |
| Cydne Mason | 1407205503 | Family Nurse Practitioner | Akron, OH | 2016 |
| Cymoni Mason | 1639980642 | Behavior Technician | Newport Beach, CA | 2025 |
| Cynthia Mason | 1104462928 | Pharmacist | Fort Wayne, IN | 2019 |
| Cynthia Mason, LCPC | 1235478983 | Professional Counselor | Glen Burnie, MD | 2013 |
| Cynthia Mason, CRNA | 1245233097 | Certified Registered Nurse Anesthetist | Somers Point, NJ | 2005 |
| Cynthia Mason, M.D. | 1295702140 | Family Medicine Physician | West Allis, WI | 2006 |
| Cynthia Mason, APRN | 1548577919 | Critical Care Medicine Nurse Practitioner | Meriden, CT | 2010 |
| Cynthia Mason, LPCC/SC, LICDC | 1689844383 | Mental Health Counselor | Garfield Heights, OH | 2008 |
| Cynthia Mason, PHD | 1720270036 | Clinical Psychologist | Bellevue, WA | 2007 |
| Cynthia Mason | 1730692625 | Clinical Social Worker | Fairfield, OH | 2017 |
| Cynthia Mason, LPC-MHSP | 1750858049 | Mental Health Counselor | Jellico, TN | 2018 |
| Cynthia Mason, CNM | 1912235086 | Advanced Practice Midwife | Oak Park, IL | 2009 |
| Cynthia Mason | 1922724095 | Technician | Washington, DC | 2022 |
| Cynthia Mason, MD | 1992732721 | Gynecology Physician | Columbus, IN | 2006 |
| Cyntoria Mason, DC | 1437904299 | Chiropractor | Lithia Springs, GA | 2024 |
| D'Nazha Mason | 1174312201 | Behavior Technician | Pikesville, MD | 2025 |
| Daisy Mason, DOULA AND ASSISTANT | 1346084571 | Doula | New York, NY | 2024 |
| Dallas Mason, PA | 1760017420 | Physician Assistant | Fort Riley, KS | 2020 |
| Damon Mason | 1427590520 | Counselor | San Leandro, CA | 2016 |
| Damonay Mason | 1104577469 | Case Manager/Care Coordinator | Claremore, OK | 2022 |
| Dan Mason, MD | 1285799148 | Pediatric Orthopaedic Surgery Physician | Tampa, FL | 2006 |
| Dana Mason, CCC-SLP | 1033230115 | Speech-Language Pathologist | Columbia, MD | 2007 |
| Dana Mason | 1770466476 | Licensed Practical Nurse | Oklahoma City, OK | 2025 |
| Dana Mason | 1801195862 | Family Nurse Practitioner | Gallatin, TN | 2011 |
| Danelle Mason | 1093606279 | Behavior Technician | Fishers, IN | 2025 |
| Dani Mason, LCSW | 1437799509 | Clinical Social Worker | Garden City, NY | 2020 |
| Dania Mason | 1477165256 | Clinical Social Worker | Orange, CA | 2020 |
| Danica Mason, PT, DPT | 1548952187 | Physical Therapist | Madison, AL | 2023 |
| Daniel Mason, M.D. | 1043502305 | Psychiatry Physician | Stanford, CA | 2011 |
| Daniel Mason, DO | 1275158180 | Diagnostic Radiology Physician | Saint Louis, MO | 2020 |
| Daniel Mason, CCC-SLP | 1275852642 | Speech-Language Pathologist | Chicago, IL | 2010 |
| Daniel Mason, MD | 1538302146 | Anesthesiology Physician | Albuquerque, NM | 2009 |
| Daniel Mason, DMD | 1689150021 | Dentist | Scottsdale, AZ | 2018 |
| Daniel Mason | 1700631850 | Peer Specialist | Bronx, NY | 2024 |
| Daniel Mason, CCC-A | 1760519441 | Audiologist | New Martinsville, WV | 2007 |
| Daniel Mason, MD | 1760584429 | Child & Adolescent Psychiatry Physician | New Canaan, CT | 2006 |
| Daniel Mason, OD | 1841208840 | Optometrist | Bonita, CA | 2006 |
| Daniel Mason, M.D. | 1962470955 | Cardiovascular Disease Physician | Tampa, FL | 2006 |
| Daniela Mason, LCSW | 1003696105 | Clinical Social Worker | Biddeford, ME | 2023 |
| Danielle Mason | 1013495530 | Mental Health Counselor | Westampton, NJ | 2018 |
| Danielle Mason, CERTIFIED PHLEB | 1114240249 | Pharmacy Technician | Plymouth Meeting, PA | 2010 |
| Danielle Mason, CPM | 1134940901 | Midwife | Steep Falls, ME | 2024 |
| Danielle Mason | 1144187345 | Counselor | Norristown, PA | 2026 |
| Danielle Mason | 1164222535 | Psychiatric/Mental Health Nurse Practitioner | Chicago, IL | 2025 |
| Danielle Mason | 1194177600 | Mental Health Counselor | Ogdensburg, NY | 2016 |
| Danielle Mason, FNP-C | 1235933680 | Nurse Practitioner | Sterling Heights, MI | 2025 |
| Danielle Mason, DO | 1306649124 | Student in an Organized Health Care Education/Training Program | Jacksonville, FL | 2025 |
| Danielle Mason, RN | 1336981190 | Case Manager/Care Coordinator | Hiawassee, GA | 2024 |
| Danielle Mason | 1366338725 | Case Manager/Care Coordinator | Kerhonkson, NY | 2025 |
| Danielle Mason | 1427456342 | Licensed Practical Nurse | Norwich, OH | 2014 |
| Danielle Mason, CNP | 1588005094 | Family Nurse Practitioner | Cincinnati, OH | 2013 |
| Danielle Mason | 1649016353 | Behavior Technician | Portland, OR | 2024 |
| Danielle Mason, PA-C | 1679578728 | Surgical Physician Assistant | Chambersburg, PA | 2005 |
| Danielle Mason | 1831682863 | Behavior Analyst | Bruceton, TN | 2018 |
| Danielle Mason, PHD | 1881235620 | Psychologist | New Orleans, LA | 2019 |
| Danielle Mason, M.D. | 1982882296 | Obstetrics & Gynecology Physician | Loma Linda, CA | 2008 |
| Daniellee Mason | 1437825452 | Mental Health Counselor | Westampton, NJ | 2021 |
| Danique Mason, DC | 1447100433 | Chiropractor | Altamonte Springs, FL | 2026 |
| Danny Mason | 1013789932 | Counselor | Lakewood, WA | 2023 |
| Danuta Mason, M.D. | 1962531467 | Family Medicine Physician | Dana Point, CA | 2007 |
| Danyela Mason, MFT | 1063602860 | Marriage & Family Therapist | Redding, CA | 2007 |
| Daran Mason, M.D. | 1558576439 | Surgery Physician | Mobile, AL | 2007 |
| Darcy Mason, LPC-IT, SAC-IT | 1487288775 | Mental Health Counselor | Oak Creek, WI | 2020 |
| Darien Mason | 1083462097 | Licensed Practical Nurse | Brooklyn, NY | 2024 |
| Darius Mason, PHARMD | 1881965069 | Pharmacotherapy Pharmacist | Albany, NY | 2012 |
| Darlene Mason, LISW | 1013461896 | Clinical Social Worker | Beachwood, OH | 2016 |
| Darnelle Mason, OTD | 1013342997 | Occupational Therapist | Dumfries, VA | 2013 |
| Darresha Mason | 1467312553 | Behavior Technician | Southfield, MI | 2025 |
| Darrick Mason, DC | 1770958290 | Chiropractor | North Apollo, PA | 2015 |
| Darryl Mason | 1235873696 | Anesthesiology Physician | Hampton, VA | 2022 |
| Darryl Mason | 1356233894 | Personal Care Attendant | Washington, DC | 2025 |
| Darryl Mason, LSW | 1841359361 | Social Worker | Canton, OH | 2006 |
| Daryl Mason, LPC | 1902205503 | Professional Counselor | Decatur, AL | 2014 |
| Dasha Mason, NP | 1053230003 | Women's Health Nurse Practitioner | Nashville, TN | 2026 |
| Dashena Mason | 1588505523 | Mental Health Counselor | Del City, OK | 2026 |
| Dasmier Mason | 1326537473 | Professional Counselor | Pearl City, HI | 2018 |
| David Mason, M.D. | 1083678155 | Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician | Dallas, TX | 2006 |
| David Mason, DO | 1093795478 | Family Medicine Physician | Fort Worth, TX | 2006 |
| David Mason | 1124994744 | Peer Specialist | Somerville, NJ | 2025 |
| David Mason, DDS | 1144236027 | General Practice Dentistry | Green Bay, WI | 2006 |
| David Mason, MD | 1164418224 | Colon & Rectal Surgery Physician | Tampa, FL | 2005 |
| David Mason, DC | 1164568523 | Chiropractor | Rochester, MI | 2007 |
| David Mason, MD | 1164943510 | Internal Medicine Physician | Marietta, GA | 2017 |
| David Mason, MD | 1215953567 | Emergency Medicine Physician | Syracuse, NY | 2006 |
| David Mason, DO | 1245896489 | Family Medicine Physician | Fountain, CO | 2019 |
| David Mason | 1306043047 | Physical Therapist | Spokane Valley, WA | 2007 |
| David Mason | 1346170115 | Psychiatric/Mental Health Registered Nurse | Winston Salem, NC | 2026 |
| David Mason, D.C. | 1376592873 | Chiropractor | Franklin, TN | 2006 |
| David Mason | 1558210278 | Case Manager/Care Coordinator | Alexandria, VA | 2026 |
| David Mason, MD | 1568423283 | Obstetrics & Gynecology Physician | Wilmington, NC | 2006 |
| David Mason, PA-C | 1649210766 | Physician Assistant | West Frankfort, IL | 2006 |
| David Mason, M.D. | 1689679540 | Surgery Physician | Houston, TX | 2005 |
| David Mason, MS | 1699951749 | Mental Health Counselor | Corinth, MS | 2008 |
| David Mason | 1780881730 | Counselor | Concord, CA | 2007 |
| David Mason, ARNP | 1790261550 | Nurse Practitioner | Pensacola, FL | 2018 |
| David Mason | 1861282212 | Case Manager/Care Coordinator | Columbus, OH | 2025 |
| David Mason | 1922724038 | Mental Health Counselor | Tigard, OR | 2022 |
| David Mason, LPC | 1932477668 | Professional Counselor | Fairfax, VA | 2011 |
| David Mason, DC | 1982082830 | Chiropractor | Chico, CA | 2015 |
| Dawn Mason, PMHNP-BC | 1033685169 | Psychiatric/Mental Health Nurse Practitioner | Spokane, WA | 2018 |
| Dawn Mason | 1184942328 | Addiction (Substance Use Disorder) Counselor | Yakima, WA | 2010 |
| Dayana Mason, ARNP | 1720483217 | Family Nurse Practitioner | Coral Gables, FL | 2014 |
| Dazia Mason, FNP-C | 1760015663 | Family Nurse Practitioner | Louisville, KY | 2020 |
| Deann Mason, LCMHC | 1952196404 | Case Manager/Care Coordinator | South Salt Lake, UT | 2025 |
| Deanna Mason, IDC | 1164818316 | Independent Duty Corpsman | Hamtramck, MI | 2015 |
| Deaten Mason | 1780226605 | Counselor | Portsmouth, OH | 2019 |
| Debbi Mason, M.A. | 1801202288 | Mental Health Counselor | Bend, OR | 2014 |
| Deborah Mason, RPH | 1124603022 | Pharmacist | Clarence, NY | 2021 |
| Deborah Mason, PT | 1134193972 | Physical Therapist | Norman, OK | 2006 |
| Deborah Mason, MSW, LCSW | 1205173309 | Clinical Social Worker | Fort Wayne, IN | 2013 |
| Deborah Mason, RPH | 1437307162 | Pharmacist | Monroe, NY | 2008 |
| Deborah Mason | 1437430576 | Speech-Language Pathologist | Saint Louis, MO | 2011 |
| Deborah Mason, RRT | 1528523685 | Registered Respiratory Therapist | Modesto, CA | 2019 |
| Deborah Mason, MSW | 1558869479 | Clinical Social Worker | Monroe, MI | 2018 |
| Deborah Mason, RN | 1881477016 | Registered Nurse | Huntsville, AL | 2023 |
| Deborah Mason, RN, CNP | 1881712982 | Nurse Practitioner | Cincinnati, OH | 2007 |
| Deborah Mason, RN | 1932404506 | Family Nurse Practitioner | Mountain View, CA | 2011 |
| Deborah Mason, NP | 1982752580 | Family Nurse Practitioner | Chester, VA | 2007 |
| Debra Mason | 1578376810 | Personal Care Attendant | Bridgeport, NE | 2025 |
| Deena Mason, M.ED | 1265721229 | Mental Health Counselor | Yakima, WA | 2011 |
| Deetra Mason | 1972798890 | Counselor | Champaign, IL | 2007 |
| Dehryl Mason, PH.D. | 1821099821 | Psychologist | Gadsden, AL | 2005 |
| Deidra Mason | 1619632320 | Behavior Technician | Rockville, MD | 2021 |
| Deja Mason | 1457019309 | Behavior Technician | Decatur, GA | 2021 |
| Deja Mason | 1831059906 | Social Worker | Lincoln Park, MI | 2025 |
| Delaney Mason, RN | 1962811216 | Registered Nurse | Gouverneur, NY | 2014 |
| Delbert Mason, M.D. | 1962785501 | Pediatrics Physician | Oberlin, OH | 2011 |
| Deleshia Mason | 1740038066 | Behavior Technician | Riverbank, CA | 2024 |
| Demetra Mason | 1770132243 | Prosthetics Case Management | Fort Washington, MD | 2019 |
| Demetrius Mason | 1174376875 | Behavior Technician | Baton Rouge, LA | 2024 |
| Demetrius Mason | 1306654884 | Case Manager/Care Coordinator | Blue Ash, OH | 2024 |
| Denika Mason | 1104552488 | Mental Health Counselor | Olney, MD | 2022 |
| Denise Mason | 1033328836 | Counselor | Salem, MA | 2007 |
| Denise Mason, MSW, LCSW | 1275783078 | Clinical Social Worker | Charlotte, NC | 2008 |
| Denise Mason, DC | 1639348402 | Chiropractor | Marietta, GA | 2008 |
| Denise Mason, LPC | 1770321721 | Professional Counselor | Chillicothe, MO | 2024 |
| Dennis Mason | 1477079580 | Driver | Atlanta, GA | 2017 |
| Dennis Mason | 1841401825 | Addiction (Substance Use Disorder) Counselor | Lucerne, CA | 2007 |
| Denora Mason | 1861686669 | Case Manager/Care Coordinator | Chester, PA | 2007 |
| Denver Mason | 1730824335 | Behavior Analyst | Pullman, WA | 2022 |
| Deonna Mason | 1972215010 | Behavior Technician | Monrovia, CA | 2022 |
| Derek Mason, MD, MPH | 1003550633 | Student in an Organized Health Care Education/Training Program | Baltimore, MD | 2022 |
| Derek Mason, MD | 1396918371 | Diagnostic Radiology Physician | New York, NY | 2008 |
| Derek Mason, DDS | 1679566475 | Pediatric Dentistry | Hiram, GA | 2005 |
| Derek Mason | 1700016136 | Chiropractor | Newport Beach, CA | 2009 |
| Derek Mason | 1972893931 | Physical Therapy Assistant | Chicago, IL | 2011 |
| Derontae Mason | 1467099911 | Behavior Technician | Washington, DC | 2019 |
| Derrick Mason, CDCA | 1295239291 | Case Manager/Care Coordinator | Niles, OH | 2018 |
| Derrick Mason, RKT | 1669807400 | Kinesiotherapist | San Antonio, TX | 2013 |
| Derrick Mason, LMFT | 1780901983 | Marriage & Family Therapist | Bowling Green, KY | 2010 |
| Deshelle Mason | 1356808984 | Developmental Therapist | Calumet City, IL | 2019 |
| Desmond Mason | 1467857698 | Counselor | Altamonte Spg, FL | 2014 |
| Dessie Mason, OD | 1366000697 | Optometrist | Austin, MN | 2019 |
| Destiney Mason | 1427828557 | Behavior Technician | South Bend, IN | 2024 |
| Deven Mason | 1265022420 | Physician Assistant | Harker Heights, TX | 2021 |
| Devin Mason, PMHNP-BC | 1376370759 | Psychiatric/Mental Health Nurse Practitioner | San Diego, CA | 2024 |
| Devin Mason, MA | 1740728641 | Case Manager/Care Coordinator | La Place, LA | 2017 |
| Dezane Mason | 1336068352 | Behavior Technician | Fishers, IN | 2026 |
| Dia Mason | 1235750860 | Psychologist | Chicago, IL | 2020 |
| Diana Mason, BCBA | 1285172858 | Behavior Analyst | San Diego, CA | 2017 |
| Diana Mason | 1821532284 | Specialist | Bemidji, MN | 2016 |
| Diane Mason | 1497335541 | Clinical Social Worker | Raleigh, NC | 2021 |
| Diane Mason | 1538819735 | Personal Care Attendant | Washington, DC | 2022 |
| Diane Mason, M.S., CCC-SLP | 1740407972 | Speech-Language Pathologist | Lexington, KY | 2007 |
| Diane Mason, R.N. | 1932402559 | Registered Nurse | Anaheim, CA | 2010 |
| Dianne Mason | 1194856476 | Case Manager/Care Coordinator | Festus, MO | 2007 |
| Dianne Mason, LCSW | 1497796759 | Clinical Social Worker | Lincoln City, OR | 2006 |
| Dianne Mason, LMFT | 1730837253 | Marriage & Family Therapist | Irvine, CA | 2022 |
| Dina Mason, DO | 1386200632 | Emergency Medicine Physician | Lebanon, OR | 2019 |
| Dinah Mason | 1659952851 | Case Manager/Care Coordinator | Greensburg, PA | 2021 |
| Dinah Mason, MFTI | 1831450477 | Marriage & Family Therapist | Jacksonville, FL | 2012 |
| Diondra Mason | 1053047597 | Case Manager/Care Coordinator | Columbus, OH | 2022 |
| Direasa Mason | 1144824798 | Case Manager/Care Coordinator | Pepper Pike, OH | 2020 |
| Dmari Mason | 1457214744 | Behavior Technician | Farmington Hills, MI | 2025 |
| Dominic Mason | 1891571840 | Behavior Technician | Naples, FL | 2023 |
| Dominique Mason | 1700242245 | Mental Health Counselor | Harper Woods, MI | 2016 |
| Dominique Mason | 1922740414 | Home Health Aide | Youngstown, OH | 2022 |
| Donald Mason, MD | 1053386755 | Anesthesiology Physician | Reno, NV | 2006 |
| Donald Mason, D.C. | 1427421346 | Chiropractor | Chicago, IL | 2015 |
| Donald Mason, LISW | 1669529772 | Clinical Social Worker | Shaker Heights, OH | 2007 |
| Donald Mason, DMSC, PA-C, CAQ-PSY | 1710132246 | Physician Assistant | Mesa, AZ | 2008 |
| Donald Mason, M.D. | 1942270186 | Family Medicine Physician | Pensacola, FL | 2006 |
| Donna Mason, R.N., C.R.N.P. | 1023454840 | Nurse Practitioner | Wind Gap, PA | 2013 |
| Donna Mason, LPC | 1043379761 | Mental Health Counselor | Henderson, TX | 2006 |
| Donna Mason, PHARMD | 1295584555 | Pharmacist | Alpharetta, GA | 2024 |
| Donna Mason, REGITERED NURSE | 1336385434 | Registered Nurse | San Francisco, CA | 2008 |
| Donna Mason, ARNP, PMHNP-DNP, BSN | 1336415645 | Psychiatric/Mental Health Nurse Practitioner | Seattle, WA | 2012 |
| Donna Mason, LPN | 1417298399 | Licensed Practical Nurse | Walton, NY | 2013 |
| Donna Mason, REGISTERED DIETITIAN | 1821060906 | Registered Dietitian | Morganfield, KY | 2006 |
| Donnitta Mason | 1417209537 | Home Health Aide | Washington, DC | 2012 |
| Donovan Mason | 1801769393 | Clinical Social Worker | Seattle, WA | 2025 |
| Doretha Mason | 1659248185 | Behavior Technician | Farmington Hills, MI | 2025 |
| Doris Mason | 1700362019 | Personal Care Attendant | Washington, DC | 2018 |
| Dorisha Mason | 1669973004 | Personal Care Attendant | Las Vegas, NV | 2018 |
| Dorlisa Mason | 1962885053 | Mental Health Counselor | Las Vegas, NV | 2015 |
| Dorothy Mason, SLP | 1073723722 | Speech-Language Pathologist | Saint John, IN | 2007 |
| Dorothy Mason, NP | 1376715540 | Family Nurse Practitioner | Rochester, NY | 2008 |
| Dorrian Mason | 1831977891 | Addiction (Substance Use Disorder) Counselor | Wilmington, OH | 2023 |
| Douglas Mason, DPM | 1124125562 | Foot Surgery Podiatrist | Clifton Park, NY | 2006 |
| Douglas Mason, RPH | 1285734863 | Pharmacist | Seattle, WA | 2006 |
| Douglas Mason, PSYD | 1750383006 | Clinical Neuropsychologist | Leesburg, FL | 2005 |
| Douglas Mason, MD | 1811075971 | Orthopaedic Surgery Physician | Walnut Creek, CA | 2006 |
| Douglas Mason | 1962797167 | Counselor | Hyannis, MA | 2011 |
| Drake Mason, NP | 1194131516 | Nurse Practitioner | Monroe, UT | 2014 |
| Dreama Mason | 1356978035 | Addiction (Substance Use Disorder) Counselor | Portsmouth, OH | 2020 |
| Drew Mason, MS, ATC | 1750621132 | Athletic Trainer | Buckhannon, WV | 2013 |
| Drew Mason, DPT | 1801026166 | Physical Therapist | Spokane Valley, WA | 2009 |
| Drew Mason, PHARM. D | 1881962033 | Pharmacist | Memphis, TN | 2011 |
| Durrell Mason | 1932717402 | Case Manager/Care Coordinator | Youngstown, OH | 2020 |
| Dwayne Mason, LPC | 1467992354 | Mental Health Counselor | Tulsa, OK | 2017 |
| Dwayne Mason | 1922644616 | Behavior Technician | Orange, CA | 2019 |
| Dwight Mason | 1225674559 | Mental Health Counselor | Westampton, NJ | 2019 |
| Dwight Mason | 1225784036 | Case Manager/Care Coordinator | Mount Clemens, MI | 2022 |
| Dylan Mason, PROVISIONAL BCABA | 1043091150 | Behavior Analyst | Kirkwood, MO | 2023 |
| Earl Mason | 1154602894 | Pharmacist | Verona, VA | 2011 |
| Ebony Mason | 1063029163 | Behavior Technician | Duluth, GA | 2020 |
| Ebony Mason | 1124749445 | Behavior Technician | Sunnyvale, TX | 2022 |
| Eddriea Mason | 1942605977 | Behavior Analyst | Sapulpa, OK | 2014 |
| Eddy Mason | 1770613440 | Home Health Aide | Cincinnati, OH | 2007 |
| Edna Mason | 1396266763 | Nurse's Aide | Chicago, IL | 2017 |
| Ednora Mason, APRN | 1083411722 | Psychiatric/Mental Health Nurse Practitioner | Newport News, VA | 2025 |
| Edward Mason, N/A | 1598126187 | Mental Health Counselor | Staten Island, NY | 2016 |
| Edward Mason, MD | 1982698437 | Emergency Medical Services (Emergency Medicine) Physician | Harlingen, TX | 2005 |
| Edwin Mason | 1336693316 | Mental Health Counselor | Arcadia, LA | 2016 |
| Eileen Mason | 1184069866 | Counselor | Syracuse, NY | 2013 |
| Elaine Mason | 1386995678 | Specialist | New Rochelle, NY | 2012 |
| Elaine Mason, CMT | 1700097763 | Massage Therapist | Wenonah, NJ | 2007 |
| Elaine Mason, M.S. | 1740622893 | Behavior Analyst | Staten Island, NY | 2013 |
| Electa Mason | 1821656117 | Massage Therapist | Windsor Mill, MD | 2019 |
| Eleonor Mason, CCC-SLP | 1992578942 | Speech-Language Pathologist | Seattle, WA | 2023 |
| Eliana Mason, REGISTERED ASSOCIATE | 1760379283 | Mental Health Counselor | Beaverton, OR | 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).