Wallace R. Johnson, M.D.
Hypertension Specialist Physician · Baltimore, MD
Wallace R. Johnson, M.D. is a hypertension specialist physician with a practice address in Baltimore, Maryland, and NPI 1043253867, issued on Jun 13, 2006. Check the license (Maryland D38086, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Wallace R. Johnson
- Credential
- M.D.
- Primary taxonomy
- Hypertension Specialist Physician 207RH0005X
- License number
- D38086 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-7877
- Enumerated
- Jun 13, 2006
- Record last updated
- Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (410) 328-1048
- Medicare enrollment
- Enrolled (PECOS I20040706000797); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1986
- Entity
- Type 1 · individual
All 1 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wallace R. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D38086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average hypertension specialist physician in 2024
3,340 Medicare Part D claims for 360 beneficiaries, against an average of 3,198 among the 13 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Amlodipine Besylate329 claims
- Atorvastatin Calcium323 claims
- Losartan Potassium237 claims
- Hydrochlorothiazide162 claims
- Nifedipine Er151 claims
- Metoprolol Succinate97 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: $761.31
3 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 10 providers of this specialty with any payment received $49,050.93 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
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hypertension Specialist Physician providers in Maryland
There are 1 hypertension specialist physician records in Maryland.
All 1 in Maryland → Every provider in Baltimore → Hypertension Specialist Physician nationwide →
Common questions
What is Wallace R. Johnson, M.D.'s NPI number?
Wallace R. Johnson, M.D.'s National Provider Identifier (NPI) is 1043253867, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wallace R. Johnson, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-7877. Providers update this record themselves, so call before visiting.
How can I verify Wallace R. Johnson, M.D.'s license?
NPPES lists Maryland license number D38086, 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 Wallace R. Johnson, M.D. prescribe under Medicare Part D?
In 2024, Wallace R. Johnson, M.D. had 3,340 Medicare Part D claims for 360 beneficiaries; the average among hypertension specialist physician prescribers was 3,198. 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.