Mary Johnson, MD
Psychiatry Physician · Brooklyn, NY
Mary Johnson, MD is a psychiatry physician with a practice address in Brooklyn, New York, and NPI 1285202952, issued on Jun 17, 2021. Check the license (New York 340955, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mary Johnson
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 340955 NY
Self-reported in NPPES; status is on the state search - Practice location
- 451 Clarkson Ave, Brooklyn, NY 11203
- Phone
- (718) 245-3131
- Enumerated
- Jun 17, 2021
- Record last updated
- Jun 7, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 451 Clarkson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 340955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average psychiatry physician in 2024
446 Medicare Part D claims for 40 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Sertraline Hcl44 claims
- Clozapine28 claims
- Duloxetine Hcl28 claims
- Clonazepam27 claims
- Risperidone24 claims
- Guanfacine Hcl Er23 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: $34.59
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Mary Johnson among 6,589 psychiatry physician records in New York
Mary Johnson, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
559 psychiatry physician records list a practice address in Brooklyn
They are 559 of the 64,057 NPPES records with a practice address in Brooklyn, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in Brooklyn → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Noel Almiron, MDBrooklyn, NY 112031093770208
- Tom Asfar, MDBrooklyn, NY 112031699746743
- Pierre Blanchard, MDBrooklyn, NY 112031093792947
- Joseph Charlot, M.D.Brooklyn, NY 112031548223688
- David Dailey, MDBrooklyn, NY 112031558335398
- Abdelouahed Elmouchtari, M.D.Brooklyn, NY 112031154393932
- Boris Fatakhov, MDBrooklyn, NY 112031871571448
- Yuliya Feygis, M.D.Brooklyn, NY 112031871587089
Common questions
What is Mary Johnson, MD's NPI number?
Mary Johnson, MD's National Provider Identifier (NPI) is 1285202952, issued on Jun 17, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Johnson, MD located?
The NPPES record lists a practice address at 451 Clarkson Ave, Brooklyn, NY, 11203. Phone: (718) 245-3131. Providers update this record themselves, so call before visiting.
How can I verify Mary Johnson, MD's license?
NPPES lists New York license number 340955, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Johnson, MD prescribe under Medicare Part D?
In 2024, Mary Johnson, MD had 446 Medicare Part D claims for 40 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.