NPPES file of Aug 9, 2026

Jonathan Zhen Tang, MD

Internal Medicine Physician · Baltimore, MD

Jonathan Zhen Tang, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1578248449, issued on Jun 19, 2023. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578248449
Name
Jonathan Zhen Tang
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2023023857 MO
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St # N9E17, Baltimore, MD 21201
Phone
(410) 328-6841
Enumerated
Jun 19, 2023
Record last updated
Jun 20, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Jonathan Zhen Tang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

628 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Jonathan Tang628
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl54 claims
  2. Gabapentin32 claims
  3. Albuterol Sulfate Hfa22 claims
  4. Atorvastatin Calcium22 claims
  5. Amlodipine Besylate17 claims
  6. Lantus Solostar16 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.

Jonathan Zhen Tang among 3,904 internal medicine physician records in Maryland

Jonathan Zhen Tang, 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 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 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).

1,278 internal medicine physician records list a practice address in Baltimore

They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Azra Ahmed, M.D.Baltimore, MD 212011326014788
  2. Clifford Amend, M.D.Baltimore, MD 212011245235068
  3. Kirk Chan-Tack, M.D.Baltimore, MD 212011326004268
  4. Kenneth Geh, MDBaltimore, MD 212011396718755
  5. Sungyon Jang, M.D.Baltimore, MD 212011477519304
  6. Marcia Kane, MDBaltimore, MD 212011770564254
  7. Mien-Door KiouneBaltimore, MD 212011104892207
  8. Frederick Kotler, M.D.Baltimore, MD 212011356304216

Common questions

What is Jonathan Zhen Tang, MD's NPI number?

Jonathan Zhen Tang, MD's National Provider Identifier (NPI) is 1578248449, issued on Jun 19, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Zhen Tang, MD located?

The NPPES record lists a practice address at 22 S Greene St # N9E17, Baltimore, MD, 21201. Phone: (410) 328-6841. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Zhen Tang, MD's license?

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 Jonathan Zhen Tang, MD prescribe under Medicare Part D?

In 2024, Jonathan Zhen Tang, MD had 628 Medicare Part D claims for 67 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.