1. Home
  2. Directory
  3. Arizona
  4. Flagstaff
  5. Psychiatry Neurology
  6. NPI Profile

MR. WILLIAM NELSON SHEEHAN M.D.
NPI 1245312651
Psychiatry & Neurology - Psychiatry in Flagstaff, AZ

Active since October 19, 2006Opted out of Medicare · through Oct 25, 2027
1515 N. SAN FRANCISCO ST., FLAGSTAFF, AZ 86001(928) 433-8820(928) 774-2801 Get Directions Write a Review

NPPES record last updated: December 28, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. William Nelson Sheehan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM NELSON SHEEHAN M.D. (NPI 1245312651) is an individual psychiatry provider in Flagstaff, Arizona, licensed in Arizona (51720) and active in the NPI registry since October 2006. He has opted out of Medicare through October 25, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1245312651
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMR. WILLIAM NELSON SHEEHANCredential: M.D.
Location Address1515 N. SAN FRANCISCO ST.Flagstaff, AZ 86001-1435
Mailing Address1515 N. San Francisco St.Flagstaff, AZ 86001-1435 · (928) 433-8820 · Fax (928) 774-2801
Phone(928) 433-8820
Fax(928) 774-2801
Sole ProprietorYes
Enumeration DateOctober 19, 2006
Last NPPES UpdateDecember 28, 2017
✔ NPI 1245312651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AZ · 51720
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1515 N. SAN FRANCISCO ST., Flagstaff, AZ 86001
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. William Patrick Sheehan M.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mr. William Nelson Sheehan M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 25, 2017 through October 25, 2027.

Opt-Out Effective DateOctober 25, 2017
Opt-Out In Effect ThroughOctober 25, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 William Sheehan's NPI number?

The NPI number for William Sheehan is 1245312651. It was assigned to this individual provider in the NPPES registry on October 19, 2006. The provider is also known as Dr. William Patrick Sheehan M.D..

Where is William Sheehan located?

William Sheehan practices at 1515 N. San Francisco St., Flagstaff, AZ 86001. The listed phone number is (928) 433-8820.

What is William Sheehan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is William Sheehan enrolled in Medicare?

No. William Sheehan has opted out of Medicare through October 25, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for William Sheehan was last updated on December 28, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.