Stephen Sullivan, MD
NPI 1376641779 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Sullivan, MD is a Psychiatry Physician provider in New York, NY (NPI 1376641779).
Provider details
- NPI number
- 1376641779
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 163202 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
654 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy, 1 Hour90837 | 536 | $164 |
| Psychotherapy, 45 Minutes90834 | 89 | $111 |
| Psychotherapy, 30 Minutes90832 | 29 | $85 |
Typical Medicare-allowed amounts for these services range $85–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 114 | 14 |
| Alprazolam | 61 | — |
| Zolpidem Tartrate | 58 | — |
| Bupropion Hclbrand: Bupropion Xl | 51 | — |
| Diazepam | 50 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 48 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2022-09-05
- Certified
- 2022-09-05
Frequently asked questions
- What is Stephen Sullivan's NPI number?
- Stephen Sullivan's National Provider Identifier (NPI) is 1376641779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Sullivan's specialty?
- Stephen Sullivan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Sullivan located?
- Stephen Sullivan's practice location on file with NPPES is 19 W 21st St Rm 402, New York, NY 10010-6876.
- What is Stephen Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Stephen Sullivan is (212) 979-9145.
- Does Stephen Sullivan accept Medicare?
- Stephen Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Sullivan's NPI active?
- Yes — Stephen Sullivan's NPI (1376641779) is active in the NPPES registry as of the last update on 2022-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.