Mark S. Johnson, M.D.
Family Medicine Physician · Washington, DC
Mark S. Johnson, M.D. is a family medicine physician with a practice address in Washington, District of Columbia, and NPI 1659462190, issued on Sep 28, 2006. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark S. Johnson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25MA05722100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2041 Georgia Ave NW # T3200, Washington, DC 20060
- Phone
- (202) 865-4440
- Enumerated
- Sep 28, 2006
- Record last updated
- Nov 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (202) 865-3214
- Medicaid ID
- 5128803 NJ
- Medicare enrollment
- Enrolled (PECOS I20151215000367); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1979
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 350 in District of Columbia → Look up another NPI →
Verify Mark S. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
108 Medicare Part D claims for 15 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium19 claims
- Losartan Potassium14 claims
- Metformin Hcl14 claims
- Amlodipine Besylate12 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: $21,094.14
4 payments; by number, the most common kind was travel and lodging; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Howard UniversityWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Johnson among 350 family medicine physician records in District of Columbia
Mark S. Johnson, M.D. is one of 350 family medicine physician records with a practice address in District of Columbia. 63% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 69% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1979 · median 2012 among the 182 with a school on file
- Record last updated2019 · 56% 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 District of Columbia 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 District of Columbia
There are 350 family medicine physician records in District of Columbia.
All 350 in District of Columbia → Every provider in Washington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ghulam Abbas, M.DWashington, DC 200601427379049
- Billie Downing, MDWashington, DC 200601619122116
- Thomas Gaiter, MDWashington, DC 200601891730933
- Christopher Julien, MDWashington, DC 200601881293769
- Feremusu Kamara, MDWashington, DC 200601154319119
- Maninder KaurWashington, DC 200601538747241
- Tenesha Moody, MDWashington, DC 200601104404185
- Kulsoom Naqvi, MDWashington, DC 200601982233607
Common questions
What is Mark S. Johnson, M.D.'s NPI number?
Mark S. Johnson, M.D.'s National Provider Identifier (NPI) is 1659462190, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Johnson, M.D. located?
The NPPES record lists a practice address at 2041 Georgia Ave NW # T3200, Washington, DC, 20060. Phone: (202) 865-4440. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Johnson, M.D.'s license?
Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark S. Johnson, M.D. prescribe under Medicare Part D?
In 2024, Mark S. Johnson, M.D. had 108 Medicare Part D claims for 15 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.