John J. Mariani, M.D.
Addiction Medicine (Psychiatry & Neurology) Physician · New York, NY
John J. Mariani, M.D. is an addiction medicine (psychiatry & neurology) physician with a practice address in New York, New York, and NPI 1245383405, issued on Jan 19, 2007. Check the license (New York 199048, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John J. Mariani
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Psychiatry & Neurology) Physician 2084A0401X
- License number
- 199048 NY
Self-reported in NPPES; status is on the state search - Practice location
- 51 E 25TH St Ste 7E, New York, NY 10010
- Phone
- (646) 609-6771
- Enumerated
- Jan 19, 2007
- Record last updated
- Feb 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (646) 588-1984
- Entity
- Type 1 · individual
8 nearest addiction medicine (psychiatry & neurology) physician records → All 41 in New York → Look up another NPI →
Verify John J. Mariani 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 199048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average addiction medicine (psychiatry & neurology) physician in 2024
219 Medicare Part D claims for 13 beneficiaries, against an average of 870 among the 264 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluoxetine Hcl23 claims
- Buprenorphine-Naloxone18 claims
- Sertraline Hcl18 claims
- Dextroamphetamine-Amphetamine17 claims
- Zolpidem Tartrate17 claims
- Lorazepam16 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.
John J. Mariani among 41 addiction medicine (psychiatry & neurology) physician records in New York
John J. Mariani, M.D. is one of 41 addiction medicine (psychiatry & neurology) physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 34% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2020 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084A0401X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Psychiatry & Neurology) Physician providers in New York
There are 41 addiction medicine (psychiatry & neurology) physician records in New York.
All 41 in New York → Every provider in New York → Addiction Medicine (Psychiatry & Neurology) Physician nationwide →
The 8 addiction medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- Steven Lee, M.D.New York, NY 100111366563652
- Bryan McGreal, M.D.New York, NY 100121578786141
- Sara Gabere, MDNew York, NY 100161669094223
- James Wolberg, MDNew York, NY 100031538371331
- Gregory Bunt, M.D.New York, NY 100181063420057
- Timothy Brennan, MDNew York, NY 100191689820474
- Daniel Garza, MDNew York, NY 100191407936321
- Philip Gianelli, M.D.New York, NY 100011225010465
Common questions
What is John J. Mariani, M.D.'s NPI number?
John J. Mariani, M.D.'s National Provider Identifier (NPI) is 1245383405, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John J. Mariani, M.D. located?
The NPPES record lists a practice address at 51 E 25TH St Ste 7E, New York, NY, 10010. Phone: (646) 609-6771. Providers update this record themselves, so call before visiting.
How can I verify John J. Mariani, M.D.'s license?
NPPES lists New York license number 199048, 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 John J. Mariani, M.D. prescribe under Medicare Part D?
In 2024, John J. Mariani, M.D. had 219 Medicare Part D claims for 13 beneficiaries; the average among addiction medicine (psychiatry & neurology) physician prescribers was 870. 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.