John Winters, MD
NPI 1265404495 · Anesthesiology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Winters, MD is a Anesthesiology Physician provider in Grand Rapids, MI (NPI 1265404495).
Provider details
- NPI number
- 1265404495
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301071354 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-02-02
- Last updated
- 2021-02-22
- Certified
- 2021-02-22
Frequently asked questions
- What is John Winters's NPI number?
- John Winters's National Provider Identifier (NPI) is 1265404495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Winters's specialty?
- John Winters is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Winters located?
- John Winters's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503-2560.
- What is John Winters's phone number?
- The practice phone number listed in the NPPES registry for John Winters is (616) 267-0118.
- Does John Winters accept Medicare?
- John Winters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Winters's NPI active?
- Yes — John Winters's NPI (1265404495) is active in the NPPES registry as of the last update on 2021-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.