DR. GREGORY B SULLIVAN MD
NPI 1154304897
Psychiatry & Neurology - Psychiatry in York, PA
About Dr. Gregory B Sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY B SULLIVAN MD (NPI 1154304897) is an individual psychiatry provider in York, Pennsylvania, licensed in Pennsylvania (MD037811E) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of George Washington University School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gregory B Sullivan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregory Sullivan's NPI number?
The NPI number for Gregory Sullivan is 1154304897. It was assigned to this individual provider in the NPPES registry on November 28, 2005.
Where is Gregory Sullivan located?
Gregory Sullivan practices at 1407 Williams Rd, York, PA 17402. The listed phone number is (717) 851-6340.
What is Gregory Sullivan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Gregory Sullivan enrolled in Medicare?
Yes. Gregory Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Gregory Sullivan accept?
Health plans from Providence Health Plan list Gregory Sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gregory Sullivan was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.