Martha Johnson, M.D.
Family Medicine Physician · Baltimore, MD
Martha Johnson, M.D. is a family medicine physician with a practice address in Baltimore, Maryland, and NPI 1669649885, issued on May 15, 2008. Check the license (Maryland D0074552, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Martha Johnson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0074552 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9101 Franklin Square Dr, Baltimore, MD 21237
- Phone
- (443) 777-2000
- Enumerated
- May 15, 2008
- Record last updated
- Aug 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120928000560); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 9101 Franklin Square Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harsha Bhagtani, MDPediatrics Physician1245207430
- Carlos CorteStudent in an Organized Health Care Education/Training Program1457215717
- Florence Deza, M.D.Family Medicine Physician1659340560
- Michael Dwyer, M.D.Family Medicine Physician1457320939
- Uchenna Emeche, MDFamily Medicine Physician1356660914
- Aklil Getachew, M.D.Pediatrics Physician1831168814
Verify Martha Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0074552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average family medicine physician in 2024
1,885 Medicare Part D claims for 187 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium145 claims
- Amlodipine Besylate83 claims
- Lisinopril74 claims
- Metoprolol Succinate60 claims
- Gabapentin58 claims
- Levothyroxine Sodium57 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Medstar Medical Group II LLCBaltimore, MD
- University OF Maryland Family Medicine Associates, P.A.Baltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Johnson among 1,912 family medicine physician records in Maryland
Martha Johnson, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2004 among the 1,141 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Maryland
There are 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Baltimore → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nancy Barr, M.D.Rosedale, MD 212371881636595
- Florence Deza, M.D.Baltimore, MD 212371659340560
- Michael Dwyer, M.D.Baltimore, MD 212371457320939
- Maryellen Goodell, MDBaltimore, MD 212371841244167
- Yoon Kim, MDBaltimore, MD 212371003893116
- Joyce KingBaltimore, MD 212371851360440
- Jamshid Mian, MDBaltimore, MD 212371538143953
- John NiehoffBaltimore, MD 212371447229349
Common questions
What is Martha Johnson, M.D.'s NPI number?
Martha Johnson, M.D.'s National Provider Identifier (NPI) is 1669649885, issued on May 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Martha Johnson, M.D. located?
The NPPES record lists a practice address at 9101 Franklin Square Dr, Baltimore, MD, 21237. Phone: (443) 777-2000. Providers update this record themselves, so call before visiting.
How can I verify Martha Johnson, M.D.'s license?
NPPES lists Maryland license number D0074552, 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 Martha Johnson, M.D. prescribe under Medicare Part D?
In 2024, Martha Johnson, M.D. had 1,885 Medicare Part D claims for 187 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Martha Johnson, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.