Mary Patricia Olin, PHYSICIAN ASSISTANT
Medical Physician Assistant · Washington, DC
Mary Patricia Olin, PHYSICIAN ASSISTANT is a medical physician assistant with a practice address in Washington, District of Columbia, and NPI 1841244571, issued on May 19, 2006. Check the license (District of Columbia DCPA215, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Patricia Olin
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- DCPA215 DC
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-2350
- Enumerated
- May 19, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (202) 741-2791
- Medicare enrollment
- Enrolled (PECOS I20061018000545); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 210 in District of Columbia → Look up another NPI →
Also registered at 2150 Pennsylvania Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmad AalamStudent in an Organized Health Care Education/Training Program1851786909
- Nawaf Abaalkhail, MDCritical Care Medicine (Internal Medicine) Physician1104246958
- Theophilus Abah, MDAnesthesiology Physician1245810696
- Yoosif Abdalla, MDNephrology Physician1679851760
- Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
- Rami AbdulbakiAnatomic Pathology & Clinical Pathology Physician1851950109
Verify Mary Patricia Olin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license DCPA215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average medical physician assistant in 2024
2,177 Medicare Part D claims for 237 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium142 claims
- Amlodipine Besylate138 claims
- Losartan Potassium77 claims
- Mirtazapine62 claims
- Levothyroxine Sodium57 claims
- Furosemide52 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Patricia Olin among 210 medical physician assistant records in District of Columbia
Mary Patricia Olin, PHYSICIAN ASSISTANT is one of 210 medical physician assistant records with a practice address in District of Columbia. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 81% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1986 · median 2018 among the 93 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in District of Columbia
There are 210 medical physician assistant records in District of Columbia.
All 210 in District of Columbia → Every provider in Washington → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Rosina Cabo, RPA-CWashington, DC 200371215058409
- Nicola Dee, PA-C, M.S.Washington, DC 200371447340963
- Aimee Desrosiers, PA-CWashington, DC 200371245358605
- Kimberly Fogarty, PACWashington, DC 200371053405027
- Nancy Freeborne-Brinton, PAWashington, DC 200371588783682
- Kelly Layton, PA-CWashington, DC 200371134277767
- Keisha Morgan, PA-CWashington, DC 200371528252988
- Philip Nelson, PAWashington, DC 200371568570430
Common questions
What is Mary Patricia Olin, PHYSICIAN ASSISTANT's NPI number?
Mary Patricia Olin, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1841244571, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Patricia Olin, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-2350. Providers update this record themselves, so call before visiting.
How can I verify Mary Patricia Olin, PHYSICIAN ASSISTANT's license?
NPPES lists District of Columbia license number DCPA215, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Patricia Olin, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Mary Patricia Olin, PHYSICIAN ASSISTANT had 2,177 Medicare Part D claims for 237 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.