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John Williams, M.D.
NPI 1063684868 · Health Maintenance Organization · Pacific, MO
John Williams, M.D. is a Health Maintenance Organization provider in Pacific, MO (NPI 1063684868).
Provider details
- NPI number
- 1063684868
- Entity type
- Individual
- Primary specialty
- Health Maintenance OrganizationManaged Care Organizations
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 36324 (MO)
Specialties & taxonomies
Managed Care Organizations
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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.
Practice location
18701 Old Highway 66
Pacific, MO 63069-3526
Phone: (636) 257-3322
Fax: (636) 257-8026
Street-level locationGet directions
Mailing address
18701 Old Highway 66
Pacific, MO 63069
Registry dates
- Enumerated
- 2008-04-01
- Last updated
- 2008-04-01
Frequently asked questions
- What is John Williams's NPI number?
- John Williams's National Provider Identifier (NPI) is 1063684868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Williams's specialty?
- John Williams is listed in the NPPES registry with a primary specialty of Health Maintenance Organization (Managed Care Organizations).
- Where is John Williams located?
- John Williams's practice location on file with NPPES is 18701 Old Highway 66, Pacific, MO 63069-3526.
- What is John Williams's phone number?
- The practice phone number listed in the NPPES registry for John Williams is (636) 257-3322.
- Is John Williams's NPI active?
- Yes — John Williams's NPI (1063684868) is active in the NPPES registry as of the last update on 2008-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.