Registry data as of Aug 27, 2026

John Glyer, M.D,

Family Medicine Physician · Willits, CA

John Glyer, M.D, is a family medicine physician with a practice address in Willits, California, and NPI 1801866785, issued on Jan 24, 2006. Check the license 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
1801866785
Name
John Glyer
Credential
M.D,
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
3 Marcela Dr, Willits, CA 95490
Phone
(707) 459-6115
Enumerated
Jan 24, 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 3 Marcela Dr

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

  1. Hossein Azadi, MDAddiction Medicine (Preventive Medicine) Physician1568015147
  2. Craig Boyle, D.C.Chiropractor1891722575
  3. Frank Braverman, PHARMDPharmacist1114431848
  4. Paul Charpentier, MDOrthopaedic Surgery Physician1740542380
  5. Erica D'Anis, CPNPRegistered Nurse1073097630
  6. Emily Hauser, PAPhysician Assistant1750055562

Verify John Glyer 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

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 →

52% fewer Medicare Part D claims than the average family medicine physician in 2024

1,695 Medicare Part D claims for 357 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. John Glyer1,695
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium178 claims
  2. Amlodipine Besylate79 claims
  3. Levothyroxine Sodium76 claims
  4. Losartan Potassium62 claims
  5. Simvastatin57 claims
  6. Omeprazole55 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.

The Medicare quality score for 2023: 97.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.2
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Willits Hospital IncWillits, 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.

6 family medicine physician records list a Willits practice address

They are 6 of the 162 NPPES records with a Willits practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is John Glyer, M.D,'s NPI number?

John Glyer, M.D,'s National Provider Identifier (NPI) is 1801866785, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Glyer, M.D, located?

The NPPES record lists a practice address at 3 Marcela Dr, Willits, CA, 95490. Phone: (707) 459-6115. Providers update this record themselves, so call before visiting.

How can I verify John Glyer, M.D,'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 John Glyer, M.D, prescribe under Medicare Part D?

In 2024, John Glyer, M.D, had 1,695 Medicare Part D claims for 357 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

What is John Glyer, M.D,'s Medicare quality score?

The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.