Stephen Sullivan, M.D.
NPI 1033158530 · Neurological Surgery Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Sullivan, M.D. is a Neurological Surgery Physician provider in Ann Arbor, MI (NPI 1033158530).
Provider details
- NPI number
- 1033158530
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301062393 (MI)
Specialties & taxonomies
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
- 2006-06-06
- Last updated
- 2012-04-23
Frequently asked questions
- What is Stephen Sullivan's NPI number?
- Stephen Sullivan's National Provider Identifier (NPI) is 1033158530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Sullivan's specialty?
- Stephen Sullivan is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Sullivan located?
- Stephen Sullivan's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48109-5338.
- What is Stephen Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Stephen Sullivan is (734) 936-7010.
- Does Stephen Sullivan accept Medicare?
- Stephen Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Sullivan's NPI active?
- Yes — Stephen Sullivan's NPI (1033158530) is active in the NPPES registry as of the last update on 2012-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.