Ellen Yin, M.D.
Psychiatry Physician · Westminster, MD
Ellen Yin, M.D. is a psychiatry physician with a practice address in Westminster, Maryland, and NPI 1649911868, issued on Apr 3, 2022. Check the license (Maryland D0107329, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ellen Yin
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D0107329 MD
Self-reported in NPPES; status is on the state search - Practice location
- 66 E Main St, Westminster, MD 21157
- Phone
- (833) 351-8255
- Enumerated
- Apr 3, 2022
- Record last updated
- Jul 20, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 66 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Swetha Mummini, MDPsychiatry Physician1366029118
- Adela Stroescu, M.D.Psychiatry Physician1962820811
Verify Ellen Yin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0107329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
76 Medicare Part D claims for 16 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Ellen Yin among 1,451 psychiatry physician records in Maryland
Ellen Yin, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 97% of them.
- NPI issued2022 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 psychiatry physician records list a practice address in Westminster
They are 15 of the 1,327 NPPES records with a practice address in Westminster, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Westminster → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Julie Brownley, M.D., PH.D.Westminster, MD 211571679928873
- Michelle Hornbaker-Park, M.D.Westminster, MD 211571265673263
- Glenda Housel, M.D.Westminster, MD 211571891714853
- Zaw Htwe, M.DWestminster, MD 211571952598955
- Rajendra Lowtan, M.D.Westminster, MD 211571467474049
- Judith Milliken, M.D.Westminster, MD 211571982760831
- Shama Milon, M.D.Westminster, MD 211571790226926
- Swetha Mummini, MDWestminster, MD 211571366029118
Common questions
What is Ellen Yin, M.D.'s NPI number?
Ellen Yin, M.D.'s National Provider Identifier (NPI) is 1649911868, issued on Apr 3, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Yin, M.D. located?
The NPPES record lists a practice address at 66 E Main St, Westminster, MD, 21157. Phone: (833) 351-8255. Providers update this record themselves, so call before visiting.
How can I verify Ellen Yin, M.D.'s license?
NPPES lists Maryland license number D0107329, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ellen Yin, M.D. prescribe under Medicare Part D?
In 2024, Ellen Yin, M.D. had 76 Medicare Part D claims for 16 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.