Ellen Y. Yang, M.D.
Specialist · Annapolis, MD
Ellen Y. Yang, M.D. is a specialist with a practice address in Annapolis, Maryland, and NPI 1912955873, issued on May 4, 2006. Check the license (Maryland D52170, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen Y. Yang
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- D52170 MD
Self-reported in NPPES; status is on the state search - Practice location
- 49 Old Solomons Island RD, Annapolis, MD 21401
- Phone
- (410) 573-9511
- Enumerated
- May 4, 2006
- Record last updated
- Jul 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 573-4816
- Medicaid ID
- 611500400 MD
- Medicare enrollment
- Enrolled (PECOS I20101109001482); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 938 in Maryland → Look up another NPI →
Also registered at 49 Old Solomons Island RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ellen Y. Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license D52170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average specialist in 2024
214 Medicare Part D claims for 54 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Ceftriaxone39 claims
- Daptomycin32 claims
- Ertapenem25 claims
- Cefepime Hcl15 claims
- Piperacillin-Tazobactam12 claims
- Vancomycin Hcl12 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.
Industry payments in 2024: $31.13
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ellen Y. Yang among 938 specialist records in Maryland
Ellen Y. Yang, M.D. is one of 938 specialist records with a practice address in Maryland. 36% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 39% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1989 · median 1989 among the 220 with a school on file
- Record last updated2011 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 specialist records list a practice address in Annapolis
They are 41 of the 3,629 NPPES records with a practice address in Annapolis, and 938 specialist records in Maryland.
All 938 in Maryland → Every provider in Annapolis → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Molly Bartlett, CRNPAnnapolis, MD 214011326042094
- Elizabeth D'Antonio, CRNPAnnapolis, MD 214011649275520
- Robert Handwerger, M.D.Annapolis, MD 214011669440475
- Heather Herman, M.D.Annapolis, MD 214011073599924
- Raymond Herzinger, M.D.Annapolis, MD 214011962406777
- Kenneth Keys, M.D.Annapolis, MD 214011710962733
- Nicole Luecke, M.D.Annapolis, MD 214011306821020
- Gregory Mitchell, M.D., PAAnnapolis, MD 214011669475307
Common questions
What is Ellen Y. Yang, M.D.'s NPI number?
Ellen Y. Yang, M.D.'s National Provider Identifier (NPI) is 1912955873, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Y. Yang, M.D. located?
The NPPES record lists a practice address at 49 Old Solomons Island RD, Annapolis, MD, 21401. Phone: (410) 573-9511. Providers update this record themselves, so call before visiting.
How can I verify Ellen Y. Yang, M.D.'s license?
NPPES lists Maryland license number D52170, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen Y. Yang, M.D. prescribe under Medicare Part D?
In 2024, Ellen Y. Yang, M.D. had 214 Medicare Part D claims for 54 beneficiaries; the average among specialist prescribers was 1,380. 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.