Zachary Yin, MD
Internal Medicine Physician · Bethesda, MD
Zachary Yin, MD is an internal medicine physician with a practice address in Bethesda, Maryland, and NPI 1336880970, issued on Apr 6, 2022. Check the license (Maryland D0104332, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Zachary Yin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0104332 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6410 Rockledge Dr, Bethesda, MD 20817
- Phone
- (301) 897-5001
- Enumerated
- Apr 6, 2022
- Record last updated
- Aug 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20251111001482); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 6410 Rockledge Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary Yin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0104332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
399 Medicare Part D claims for 65 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Amlodipine Besylate32 claims
- Atorvastatin Calcium31 claims
- Losartan Potassium17 claims
- Tamsulosin Hcl15 claims
- Trelegy Ellipta15 claims
- Pravastatin Sodium13 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 2 group practices
- Medstar Medical Group II LLCWashington, DC
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Yin among 3,904 internal medicine physician records in Maryland
Zachary Yin, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2003 among the 2,445 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
288 internal medicine physician records list a practice address in Bethesda
They are 288 of the 7,245 NPPES records with a practice address in Bethesda, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Bethesda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Susan BaruchBethesda, MD 208171528032976
- Brent Berger, MDBethesda, MD 208171578537429
- Dave Chen, MDBethesda, MD 208171174571293
- Brent Cole, M.D.Bethesda, MD 208171558336321
- Deborah Horwitz, MDBethesda, MD 208171770520785
- Bradley Hunter, DOBethesda, MD 208171497703581
- Kian Kaviani, MDBethesda, MD 208171003851965
- Thomas McNamara, MDBethesda, MD 208171427047877
Common questions
What is Zachary Yin, MD's NPI number?
Zachary Yin, MD's National Provider Identifier (NPI) is 1336880970, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Yin, MD located?
The NPPES record lists a practice address at 6410 Rockledge Dr, Bethesda, MD, 20817. Phone: (301) 897-5001. Providers update this record themselves, so call before visiting.
How can I verify Zachary Yin, MD's license?
NPPES lists Maryland license number D0104332, 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 Zachary Yin, MD prescribe under Medicare Part D?
In 2024, Zachary Yin, MD had 399 Medicare Part D claims for 65 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.