Gregory Sullivan, MD
NPI 1154304897 · Psychiatry Physician · York, PA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Sullivan, MD is a Psychiatry Physician provider in York, PA (NPI 1154304897).
Provider details
- NPI number
- 1154304897
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD037811E (PA)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
430 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) |
|---|---|---|
| Treatment Using Magnetic Field to Stimulate Nerve Cells in Brain, Subsequent Delivery and Management90868 | 259 | $173 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $170 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $86 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 13 | $187 |
Typical Medicare-allowed amounts for these services range $86–$187 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 116 | 16 |
| Lorazepam | 92 | 23 |
| Lamotrigine | 78 | 16 |
| Clonazepam | 73 | 13 |
| Duloxetine Hcl | 63 | 13 |
| Buspirone Hcl | 59 | 15 |
| Quetiapine Fumarate | 58 |
Practice location
Mailing address
Additional practice locations (5)
- 112 N 7th StChambersburg, PA 17201-1720Phone: (717) 267-7771Fax: (717) 267-7427
- 176 S Coldbrook AveChambersburg, PA 17201-2712Phone: (717) 267-7480Fax: (717) 775-5015
- 315 W James StLancaster, PA 17603-2979Phone: (717) 509-0625
- 125 Schneider DrLebanon, PA 17046-4875Phone: (717) 376-1020
- 150 Roosevelt AveYork, PA 17401-3380Phone: (717) 356-5430
Registry dates
- Enumerated
- 2005-11-28
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Gregory Sullivan's NPI number?
- Gregory Sullivan's National Provider Identifier (NPI) is 1154304897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Sullivan's specialty?
- Gregory Sullivan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Sullivan located?
- Gregory Sullivan's practice location on file with NPPES is 1407 Williams Rd, York, PA 17402-9000.
- What is Gregory Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Gregory Sullivan is (717) 851-6340.
- Does Gregory Sullivan accept Medicare?
- Gregory Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Sullivan's NPI active?
- Yes — Gregory Sullivan's NPI (1154304897) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.