Mark Lewis, DO
NPI 1689613960 · Obstetrics & Gynecology Physician · Lansing, MI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lewis, DO is a Obstetrics & Gynecology Physician provider in Lansing, MI (NPI 1689613960).
Provider details
- NPI number
- 1689613960
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 02000903A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-06-05
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mark Lewis's NPI number?
- Mark Lewis's National Provider Identifier (NPI) is 1689613960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lewis's specialty?
- Mark Lewis is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lewis located?
- Mark Lewis's practice location on file with NPPES is 1200 E Michigan Ave, Lansing, MI 48912.
- What is Mark Lewis's phone number?
- The practice phone number listed in the NPPES registry for Mark Lewis is (517) 364-6210.
- Does Mark Lewis accept Medicare?
- Mark Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lewis's NPI active?
- Yes — Mark Lewis's NPI (1689613960) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.