John Mariani, M.D.
NPI 1245383405 · Addiction Medicine (Psychiatry & Neurology) Physician · New York, NY
John Mariani, M.D. is a Addiction Medicine (Psychiatry & Neurology) Physician provider in New York, NY (NPI 1245383405).
Provider details
- NPI number
- 1245383405
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 199048 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Fluoxetine Hcl | 23 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 18 |
| Sertraline Hcl | 18 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 17 |
| Zolpidem Tartrate | 17 |
| Lorazepam | 16 |
| Bupropion Hclbrand: Bupropion Xl | 15 |
| Buprenorphine Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 1051 Riverside DrDivision on Substance Abuse, Unit 66New York, NY 10032-1007Phone: (212) 543-5987
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2020-02-22
- Certified
- 2020-02-22
Frequently asked questions
- What is John Mariani's NPI number?
- John Mariani's National Provider Identifier (NPI) is 1245383405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mariani's specialty?
- John Mariani is listed in the NPPES registry with a primary specialty of Addiction Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is John Mariani located?
- John Mariani's practice location on file with NPPES is 51 E 25th St Ste 7e, New York, NY 10010-2945.
- What is John Mariani's phone number?
- The practice phone number listed in the NPPES registry for John Mariani is (646) 609-6771.
- Is John Mariani's NPI active?
- Yes — John Mariani's NPI (1245383405) is active in the NPPES registry as of the last update on 2020-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.