James Grotberg, MD
NPI 1447696968 · Emergency Medicine Physician · Ann Arbor, MI
James Grotberg, MD is a Emergency Medicine Physician provider in Ann Arbor, MI (NPI 1447696968).
Provider details
- NPI number
- 1447696968
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301073773 (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
13 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
- 2013-05-13
- Last updated
- 2013-05-13
Frequently asked questions
- What is James Grotberg's NPI number?
- James Grotberg's National Provider Identifier (NPI) is 1447696968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Grotberg's specialty?
- James Grotberg is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Grotberg located?
- James Grotberg's practice location on file with NPPES is 3535 Green Ct, Ann Arbor, MI 48105-1579.
- What is James Grotberg's phone number?
- The practice phone number listed in the NPPES registry for James Grotberg is (734) 657-0043.
- Is James Grotberg's NPI active?
- Yes — James Grotberg's NPI (1447696968) is active in the NPPES registry as of the last update on 2013-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.