Aaron J. Johnson, MD
Orthopaedic Surgery Physician · Baltimore, MD
Aaron J. Johnson, MD is an orthopaedic surgery physician with a practice address in Baltimore, Maryland, and NPI 1538420641, issued on Jun 5, 2012. Check the license (Maryland D85157, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Aaron J. Johnson
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- D85157 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 448-6400
- Enumerated
- Jun 5, 2012
- Record last updated
- Jul 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251118001427); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 457 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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- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Aaron J. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D85157Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
114 Medicare Part D claims for 57 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Meloxicam48 claims
- Amoxicillin29 claims
- Mupirocin11 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: $1,706.17
5 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Products, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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 4 group practices
- Meritus Medical Center IncHagerstown, MD
- University OF Maryland Community Medical Group IncGlen Burnie, MD
- University OF Maryland Orthopaedic Associates PABaltimore, MD
- University OF Maryland Orthopaedic Trauma Associates, P.A.Baltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron J. Johnson among 457 orthopaedic surgery physician records in Maryland
Aaron J. Johnson, MD is one of 457 orthopaedic surgery physician records with a practice address in Maryland. 79% 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 77% of them.
- NPI issued2012 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2009 · median 2002 among the 299 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Maryland
There are 457 orthopaedic surgery physician records in Maryland.
All 457 in Maryland → Every provider in Baltimore → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Farshad Adib, M.D.Baltimore, MD 212011629386735
- Errol Bennett, M.D.Baltimore, MD 212011972698058
- Henry Fox, MDBaltimore, MD 212011336719798
- Nicole George, DOBaltimore, MD 212011346603073
- Mohit Gilotra, MDBaltimore, MD 212011639379449
- Alexander HahnBaltimore, MD 212011518329648
- Leah Henry, M.D.Baltimore, MD 212011629654504
- Kenneth Lippman, MDBaltimore, MD 212011770677759
Common questions
What is Aaron J. Johnson, MD's NPI number?
Aaron J. Johnson, MD's National Provider Identifier (NPI) is 1538420641, issued on Jun 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Aaron J. Johnson, MD located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 448-6400. Providers update this record themselves, so call before visiting.
How can I verify Aaron J. Johnson, MD's license?
NPPES lists Maryland license number D85157, 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 Aaron J. Johnson, MD prescribe under Medicare Part D?
In 2024, Aaron J. Johnson, MD had 114 Medicare Part D claims for 57 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.