William Sullivan, MD - Medicare Psychiatry in Sierra Vista, AZ

William Sullivan, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Sierra Vista, Arizona. He went to Texas Tech University Health Science Center School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice St Lukes Clinic Llc and his current practice location is 5100 E Highway 90, Suite B, Sierra Vista, Arizona. You can reach out to his office (for appointments etc.) via phone at (520) 417-9729.

William Sullivan is licensed to practice in Arizona (license number MD 22176) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1154483477.

Contact Information

William Sullivan, MD
5100 E Highway 90, Suite B,
Sierra Vista, AZ 85635-2443
(520) 417-9729
(520) 417-9733

Map and Direction




Physician's Profile

Full NameWilliam Sullivan
GenderMale
SpecialityPsychiatry
Experience32 Years
Location5100 E Highway 90, Sierra Vista, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William Sullivan attended and graduated from Texas Tech University Health Science Center School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1154483477
  • Provider Enumeration Date: 12/14/2006
  • Last Update Date: 06/06/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4183605884
  • Enrollment ID: I20040527001276

Medical Identifiers

Medical identifiers for William Sullivan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154483477NPI-NPPES
192774OtherAZAHCCCS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry MD 22176 (Arizona)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William Sullivan allows following entities to bill medicare on his behalf.
Entity NameSullivan Md Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851531933
PECOS PAC ID: 0042377269
Enrollment ID: O20090316000131

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William Sullivan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William Sullivan, MD
5100 E Highway 90, Suite B,
Sierra Vista, AZ 85635-2443

Ph: (520) 417-9729
William Sullivan, MD
5100 E Highway 90, Suite B,
Sierra Vista, AZ 85635-2443

Ph: (520) 417-9729

Reviews and Comments


Psychiatry & Neurology Doctors in Sierra Vista, AZ

Dr. Frederique P. Delhaye, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 5750 E Highway 90 Ste 200, Sierra Vista, AZ 85635
Phone: 520-263-3500    
Dr. James Phillip Reed, D.O.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 4151 La Linda Way, Suite 102, Sierra Vista, AZ 85635
Phone: 520-515-9610    Fax: 520-515-0031

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.