Donald Sefcik, D.O.
NPI 1992959563 · Family Medicine Physician · East Lansing, MI
Donald Sefcik, D.O. is a Family Medicine Physician provider in East Lansing, MI (NPI 1992959563).
Provider details
- NPI number
- 1992959563
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101018026 (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
17 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
- 2008-11-10
- Last updated
- 2010-11-02
Frequently asked questions
- What is Donald Sefcik's NPI number?
- Donald Sefcik's National Provider Identifier (NPI) is 1992959563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Sefcik's specialty?
- Donald Sefcik is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Sefcik located?
- Donald Sefcik's practice location on file with NPPES is 138 Service Rd Ste A109, East Lansing, MI 48824-1376.
- What is Donald Sefcik's phone number?
- The practice phone number listed in the NPPES registry for Donald Sefcik is (517) 355-1300.
- Is Donald Sefcik's NPI active?
- Yes — Donald Sefcik's NPI (1992959563) is active in the NPPES registry as of the last update on 2010-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.