James Warrener, MD
NPI 1245073667 · Student in an Organized Health Care Education/Training Program · Ann Arbor, MI
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Warrener, MD is a Student in an Organized Health Care Education/Training Program provider in Ann Arbor, MI (NPI 1245073667).
Provider details
- NPI number
- 1245073667
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351052450 (MI)
Specialties & taxonomies
- Student in an Organized Health Care Education/Training ProgramPrimary390200000XLicense 4351052450 (MI)
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-06-13
- Last updated
- 2024-06-13
- Certified
- 2024-06-13
Frequently asked questions
- What is James Warrener's NPI number?
- James Warrener's National Provider Identifier (NPI) is 1245073667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Warrener's specialty?
- James Warrener is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is James Warrener located?
- James Warrener's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is James Warrener's phone number?
- The practice phone number listed in the NPPES registry for James Warrener is (734) 936-4280.
- Does James Warrener accept Medicare?
- James Warrener is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Warrener's NPI active?
- Yes — James Warrener's NPI (1245073667) is active in the NPPES registry as of the last update on 2024-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.