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

William Sullivan, MD

Individual provider Psychiatry Physician · NPI 1154483477

William Sullivan, MD is a Psychiatry in Sierra Vista, Arizona. Graduated from Texas Tech University Health Science Center School of Medicine in 1992, 34 years ago. Practices with San Carlos Apache Healthcare Corporation, a 145-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
34
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
AZ
In the registry since
2006
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

5100 E Highway 90 Ste B
Sierra Vista, AZ 85635-2443
Phone: (520) 417-9729
Fax: (520) 417-9733
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD 22176 (AZ)

Record details

NPI number1154483477
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 14, 2006
Last updated in NPPESJune 6, 2023
Certification dateJune 6, 2023

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice San Carlos Apache Healthcare Corporation — 145 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Sierra Vista