Registry data as of Aug 27, 2026

William Buys, DO

Emergency Medical Services (Emergency Medicine) Physician · Templeton, CA

William Buys, DO is an emergency medical services (emergency medicine) physician with a practice address in Templeton, California, and NPI 1639127376, issued on May 5, 2006. Check the license (California 20A8118, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639127376
Name
William Buys
Credential
DO
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
20A8118 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 Las Tablas RD, Templeton, CA 93465
Phone
(805) 546-7650
Enumerated
May 5, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1100 Las Tablas RD

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

  1. Monica BasultoRegistered Nurse First Assistant1871307447
  2. Steven Benaron, MDEmergency Medical Services (Emergency Medicine) Physician1366400657
  3. Scott Bisheff, MDEmergency Medical Services (Emergency Medicine) Physician1871541748
  4. Raul Easton-Carr, M.D.Emergency Medicine Physician1144494642
  5. Gregory Frye, MDEmergency Medical Services (Emergency Medicine) Physician1487602348
  6. Thomas Hale, MDEmergency Medical Services (Emergency Medicine) Physician1538117502

Verify William Buys in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8118
    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

49% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

219 Medicare Part D claims for 168 beneficiaries, against an average of 430 among the 2,133 providers of this specialty who prescribed in Part D. 42 claims were for opioids.

  1. William Buys219
  2. Specialty average430

Most prescribed

  1. Hydrocodone-Acetaminophen34 claims
  2. Cephalexin31 claims
  3. Prednisone13 claims
  4. Amoxicillin-Clavulanate Potass12 claims
  5. Ondansetron Odt12 claims
  6. Doxycycline Hyclate11 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.

One hospital or facility affiliation

  1. Central Coast Emergency PhysiciansSan Luis Obispo, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

12 emergency medical services (emergency medicine) physician records list a Templeton practice address

They are 12 of the 326 NPPES records with a Templeton practice address, and 286 emergency medical services (emergency medicine) physician records in California.

Other emergency medical services (emergency medicine) physician records in California

  1. Rushdi Abdul Cader, MDSan Luis Obispo, CA1891743431
  2. Louis Acosta, M.D.Los Angeles, CA1528144219
  3. Katherine Agron, NPArcadia, CA1538685334
  4. Amable Aguiluz, M.D.Hawaiian Gardens, CA1598812596
  5. Talal Al Quraini, M.D.Chula Vista, CA1316955446
  6. Nadine Aldahhan, DOSausalito, CA1609202308
  7. Ernest Almendarez, MDStockton, CA1821182338
  8. Manish Amin, DOBakersfield, CA1407813116
  9. Christopher Angemi, D.O.Torrance, CA1386814671
  10. David Araujo, M.D.Ventura, CA1114955994

Common questions

What is William Buys, DO's NPI number?

William Buys, DO's National Provider Identifier (NPI) is 1639127376, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Buys, DO located?

The NPPES record lists a practice address at 1100 Las Tablas RD, Templeton, CA, 93465. Phone: (805) 546-7650. Providers update this record themselves, so call before visiting.

How can I verify William Buys, DO's license?

NPPES lists California license number 20A8118, as entered by the provider. 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 Buys, DO prescribe under Medicare Part D?

In 2024, William Buys, DO had 219 Medicare Part D claims for 168 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 430. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.