Joshua Macht, M.D.
Internal Medicine Physician · Baltimore, MD
Joshua Macht, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1437424538, issued on Mar 21, 2012. Check the license (Maryland D79351, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Joshua Macht
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D79351 MD
Self-reported in NPPES; status is on the state search - Practice location
- 575 S Charles St, Baltimore, MD 21201
- Phone
- (410) 727-3615
- Enumerated
- Mar 21, 2012
- Record last updated
- Jan 6, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (410) 752-8430
- Medicare enrollment
- Enrolled (PECOS I20150707000524); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 575 S Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Macht, D.P.T.Physical Therapist1245320431
- Robert Macht, M.D.Surgery Physician1861582066
- David Reymann, DPTOrthopedic Physical Therapist1255886032
Verify Joshua Macht in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D79351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
279 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium24 claims
- Hydrochlorothiazide23 claims
- Amlodipine Besylate17 claims
- Omeprazole17 claims
- Lisinopril14 claims
- Metformin Hcl Er13 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
- Allan H Macht PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Macht among 3,904 internal medicine physician records in Maryland
Joshua Macht, M.D. 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 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2003 among the 2,445 with a school on file
- Record last updated2016 · 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.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Azra Ahmed, M.D.Baltimore, MD 212011326014788
- Clifford Amend, M.D.Baltimore, MD 212011245235068
- Kirk Chan-Tack, M.D.Baltimore, MD 212011326004268
- Kenneth Geh, MDBaltimore, MD 212011396718755
- Sungyon Jang, M.D.Baltimore, MD 212011477519304
- Marcia Kane, MDBaltimore, MD 212011770564254
- Mien-Door KiouneBaltimore, MD 212011104892207
- Frederick Kotler, M.D.Baltimore, MD 212011356304216
Common questions
What is Joshua Macht, M.D.'s NPI number?
Joshua Macht, M.D.'s National Provider Identifier (NPI) is 1437424538, issued on Mar 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Macht, M.D. located?
The NPPES record lists a practice address at 575 S Charles St, Baltimore, MD, 21201. Phone: (410) 727-3615. Providers update this record themselves, so call before visiting.
How can I verify Joshua Macht, M.D.'s license?
NPPES lists Maryland license number D79351, 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 Joshua Macht, M.D. prescribe under Medicare Part D?
In 2024, Joshua Macht, M.D. had 279 Medicare Part D claims for 31 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.