# John P Williams, DO

Source: https://ourhealthnetwork.com/doctor/john-williams-do-1144220369
NPI: 1144220369
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John P Williams, DO is a internal medicine based in Ukiah, CA with NPI 1144220369 and offers telehealth visits.

## Profile

- Primary specialty: Internal Medicine
- Secondary specialties: OSTEOPATHIC MANIPULATIVE MEDICINE
- Credential: DO
- Gender: Male
- Medical school: UNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
- Graduation year: 1989
- Telehealth: Yes
- NPI: 1144220369 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1144220369))

## Practice and contact

- Address: 1162 S Dora St, Ukiah, CA, 954826340
- Phone: (707) 459-5585

## CMS quality measures (MIPS)

- Overall MIPS final score: 73.79/100
- Quality category score: 76.88/100
- Promoting Interoperability score: 92.00/100
- Improvement Activities score: 40.00/100
- Cost category score: 36.9374/100

Source: CMS Quality Payment Program. MIPS scores reflect Medicare provider performance on quality, cost, and care improvement measures.

## Insurance accepted (4 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 11 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John P Williams, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1144220369).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 26 disclosed payments from medical industry sources totaling approximately $546.

Largest disclosed payer: Bayer Healthcare Pharmaceuticals Inc. ($139 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Internal Medicine doctors in UKIAH, CA](https://ourhealthnetwork.com/internal-medicine/ca/ukiah)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1144220369)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)