Heather Williams, MD
NPI 1578452090 · Internal Medicine Physician · Columbia, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Williams, MD is a Internal Medicine Physician provider in Columbia, MO (NPI 1578452090).
Provider details
- NPI number
- 1578452090
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2025025742 (MO)
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
Under 1 yr in 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
Mailing address
Registry dates
- Enumerated
- 2025-06-30
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Heather Williams's NPI number?
- Heather Williams's National Provider Identifier (NPI) is 1578452090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Williams's specialty?
- Heather Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Williams located?
- Heather Williams's practice location on file with NPPES is 1 Hospital Dr, Columbia, MO 65212-1000.
- What is Heather Williams's phone number?
- The practice phone number listed in the NPPES registry for Heather Williams is (573) 884-1606.
- Does Heather Williams accept Medicare?
- Heather Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Williams's NPI active?
- Yes — Heather Williams's NPI (1578452090) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.