James Hammel, MD
NPI 1063461317 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Hammel, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Grand Rapids, MI (NPI 1063461317).
Provider details
- NPI number
- 1063461317
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301505068 (MI)
Specialties & taxonomies
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianPrimary208G00000XLicense 4301505068 (MI)
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
- 2006-05-06
- Last updated
- 2024-03-22
- Certified
- 2024-03-22
Frequently asked questions
- What is James Hammel's NPI number?
- James Hammel's National Provider Identifier (NPI) is 1063461317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hammel's specialty?
- James Hammel is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is James Hammel located?
- James Hammel's practice location on file with NPPES is 25 Michigan St Ne Ste 4200, Grand Rapids, MI 49503-2559.
- What is James Hammel's phone number?
- The practice phone number listed in the NPPES registry for James Hammel is (616) 267-9150.
- Does James Hammel accept Medicare?
- James Hammel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Hammel's NPI active?
- Yes — James Hammel's NPI (1063461317) is active in the NPPES registry as of the last update on 2024-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.