NPPES file of Aug 9, 2026

William Robert Fulton, D.O.

Surgery Physician · Fairfield, CA

William Robert Fulton, D.O. is a surgery physician with a practice address in Fairfield, California, and NPI 1497831564, issued on Oct 31, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497831564
Name
William Robert Fulton
Credential
D.O.
Primary taxonomy
Surgery Physician 208600000X
License number
5101015518 MI
Self-reported in NPPES; status is on the state search
Practice location
1860 Pennsylvania Ave, Fairfield, CA 94533
Phone
(707) 646-4180
Enumerated
Oct 31, 2006
Record last updated
Dec 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101011000653); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2001
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1860 Pennsylvania Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ameer Almullahassani, MDNeurology Physician1245473131
  2. Kelly Arthur, MDForensic Pathology Physician1801802848
  3. Jeffrey Breneisen, MDCardiovascular Disease Physician1629058615
  4. Courtney Chambers, M.D.Surgery Physician1528154523
  5. Milind Dhond, M. D.Cardiovascular Disease Physician1972500676
  6. Donald Doyle, MDPulmonary Disease Physician1699766220

Verify William Robert Fulton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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65% fewer Medicare Part D claims than the average surgery physician in 2024

51 Medicare Part D claims for 27 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. William Fulton51
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $7,577.64

59 payments; by number, the most common kind was food and beverage; the largest payer was Tela Bio, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Fulton$7,577.64
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Northbay Health Medical FoundationFairfield, CA
  2. Northbay Physicians Surgery Center, LLCFairfield, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

Other surgery physician records in California

  1. Miriam Abaunza, M.D.Los Angeles, CA1538470778
  2. Hana Abdirahman, MDTemecula, CA1265288112
  3. Sherwin Abdoli, MDPetaluma, CA1508386442
  4. Mhdshafic Abdulkarim, MDOrange, CA1750174249
  5. Sarah Abdulla, M.D.Baldwin Park, CA1699200840
  6. Shoko Abe, M.D.Berkeley, CA1609178136
  7. Stuart Abel, M.D.Los Angeles, CA1750761516
  8. Elliot Abemayor, MDLos Angeles, CA1972527414
  9. Marc Abi Karam, MD, MSPalo Alto, CA1437846508
  10. Ali Abidali, DOGlendora, CA1861888794

Common questions

What is William Robert Fulton, D.O.'s NPI number?

William Robert Fulton, D.O.'s National Provider Identifier (NPI) is 1497831564, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Robert Fulton, D.O. located?

The NPPES record lists a practice address at 1860 Pennsylvania Ave, Fairfield, CA, 94533. Phone: (707) 646-4180. Providers update this record themselves, so call before visiting.

How can I verify William Robert Fulton, D.O.'s license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Robert Fulton, D.O. prescribe under Medicare Part D?

In 2024, William Robert Fulton, D.O. had 51 Medicare Part D claims for 27 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.