John Glyer, M.D,
NPI 1801866785 · Family Medicine Physician · Willits, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Glyer, M.D, is a Family Medicine Physician provider in Willits, CA (NPI 1801866785).
Provider details
- NPI number
- 1801866785
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- No
- License
- G27358 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 178 | 65 |
| Amlodipine Besylate | 79 | 35 |
| Levothyroxine Sodium | 76 | 33 |
| Losartan Potassium | 62 | 24 |
| Simvastatin | 57 | 22 |
| Omeprazole | 55 | 20 |
| Gabapentin | 44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2016-09-07
Frequently asked questions
- What is John Glyer's NPI number?
- John Glyer's National Provider Identifier (NPI) is 1801866785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Glyer's specialty?
- John Glyer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Glyer located?
- John Glyer's practice location on file with NPPES is 3 Marcela Dr, Willits, CA 95490-5769.
- What is John Glyer's phone number?
- The practice phone number listed in the NPPES registry for John Glyer is (707) 459-6115.
- Does John Glyer accept Medicare?
- John Glyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Glyer's NPI active?
- Yes — John Glyer's NPI (1801866785) is active in the NPPES registry as of the last update on 2016-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.