James Chamness, MD
NPI 1255373270 · Pediatrics Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chamness, MD is a Pediatrics Physician provider in Grand Rapids, MI (NPI 1255373270).
Provider details
- NPI number
- 1255373270
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301051303 (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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2011-03-16
Frequently asked questions
- What is James Chamness's NPI number?
- James Chamness's National Provider Identifier (NPI) is 1255373270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chamness's specialty?
- James Chamness is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is James Chamness located?
- James Chamness's practice location on file with NPPES is 330 Barclay Ave Ne, Grand Rapids, MI 49503-2556.
- What is James Chamness's phone number?
- The practice phone number listed in the NPPES registry for James Chamness is (616) 391-2125.
- Does James Chamness accept Medicare?
- James Chamness is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chamness's NPI active?
- Yes — James Chamness's NPI (1255373270) is active in the NPPES registry as of the last update on 2011-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.