Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory B Sullivan, MD

Individual provider Psychiatry Physician · NPI 1154304897

Dr. Gregory B Sullivan, MD is a Psychiatry in York, Pennsylvania. Graduated from George Washington University School of Medicine in 1985, 41 years ago. Works from 6 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
41
Trained at
George Washington University School of Medicine
Licensed in
PA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1407 Williams Rd
York, PA 17402-9000
Phone: (717) 851-6340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

  • 112 N 7th St, Chambersburg, PA 17201-1720 — (717) 267-7771
  • 176 S Coldbrook Ave, Chambersburg, PA 17201-2712 — (717) 267-7480
  • 315 W James St, Lancaster, PA 17603-2979 — (717) 509-0625
  • 125 Schneider Dr, Lebanon, PA 17046-4875 — (717) 376-1020
  • 150 Roosevelt Ave, York, PA 17401-3380 — (717) 356-5430

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD037811E (PA)

Record details

NPI number1154304897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2005
Last updated in NPPESDecember 19, 2025
Certification dateDecember 19, 2025
Mailing address601 Memory Ln, York, PA 17402-2231

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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