Jonathan Williams, MD
NPI 1285825489 · Pediatrics Physician · Big Rapids, MI
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Williams, MD is a Pediatrics Physician provider in Big Rapids, MI (NPI 1285825489).
Provider details
- NPI number
- 1285825489
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301091036 (MI)
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
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
Mailing address
Registry dates
- Enumerated
- 2007-08-05
- Last updated
- 2007-08-05
Frequently asked questions
- What is Jonathan Williams's NPI number?
- Jonathan Williams's National Provider Identifier (NPI) is 1285825489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Williams's specialty?
- Jonathan Williams is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Williams located?
- Jonathan Williams's practice location on file with NPPES is 650 Linden St, Big Rapids, MI 49307-1879.
- What is Jonathan Williams's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Williams is (231) 796-4470.
- Does Jonathan Williams accept Medicare?
- Jonathan Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Williams's NPI active?
- Yes — Jonathan Williams's NPI (1285825489) is active in the NPPES registry as of the last update on 2007-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.