Justin Johnson
Emergency Medicine Physician · Baltimore, MD
Justin Johnson is an emergency medicine physician with a practice address in Baltimore, Maryland, and NPI 1841604501, issued on Jun 19, 2014. Check the license (Maryland D0084902, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Justin Johnson
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- D0084902 MD
MT206669 PA
30079 WV
Self-reported in NPPES; status is on the state search - Practice location
- 3001 S Hanover St, Baltimore, MD 21225
- Phone
- (410) 350-3200
- Enumerated
- Jun 19, 2014
- Record last updated
- Apr 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 3001 S Hanover St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0084902Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
35 Medicare Part D claims for 32 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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: $17.29
1 payment: food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Justin Johnson among 1,190 emergency medicine physician records in Maryland
Justin Johnson is one of 1,190 emergency 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 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2021 · 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 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
505 emergency medicine physician records list a practice address in Baltimore
They are 505 of the 35,183 NPPES records with a practice address in Baltimore, and 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Baltimore → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
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- Ron Elfenbein, MDBaltimore, MD 212251710934294
- James Gaylor, MDBaltimore, MD 212251639532328
- Sarah GoldmanBaltimore, MD 212251376986695
- Diana Ladkany, MDBaltimore, MD 212251508284092
- Susan Mastellone, DOBaltimore, MD 212251255379822
- Michael Silverman, MDBaltimore, MD 212251013951946
- Robert Yacynych, MDBaltimore, MD 212251326085499
Common questions
What is Justin Johnson's NPI number?
Justin Johnson's National Provider Identifier (NPI) is 1841604501, issued on Jun 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Justin Johnson located?
The NPPES record lists a practice address at 3001 S Hanover St, Baltimore, MD, 21225. Phone: (410) 350-3200. Providers update this record themselves, so call before visiting.
How can I verify Justin Johnson's license?
NPPES lists Maryland license number D0084902, 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 Justin Johnson prescribe under Medicare Part D?
In 2024, Justin Johnson had 35 Medicare Part D claims for 32 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.