Mid Michigan Internal Medicine PC
NPI 1346388857 · Internal Medicine Physician · Lansing, MI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mid Michigan Internal Medicine PC is a Internal Medicine Physician organization in Lansing, MI (NPI 1346388857).
Provider details
- NPI number
- 1346388857
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Brian Mahany, President(517) 484-7900
- License
- ES049829 (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
19 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
- 2007-02-05
- Last updated
- 2008-11-07
Frequently asked questions
- What is Mid Michigan Internal Medicine PC's NPI number?
- Mid Michigan Internal Medicine PC's National Provider Identifier (NPI) is 1346388857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mid Michigan Internal Medicine PC?
- Mid Michigan Internal Medicine PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mid Michigan Internal Medicine PC located?
- Mid Michigan Internal Medicine PC's practice location on file with NPPES is 2311 S Cedar St, Lansing, MI 48910-3191.
- What is Mid Michigan Internal Medicine PC's phone number?
- The practice phone number listed in the NPPES registry for Mid Michigan Internal Medicine PC is (517) 484-7900.
- Does Mid Michigan Internal Medicine PC accept Medicare?
- Mid Michigan Internal Medicine PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mid Michigan Internal Medicine PC?
- The authorized official listed on Mid Michigan Internal Medicine PC's NPPES record is Brian Mahany, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mid Michigan Internal Medicine PC's NPI active?
- Yes — Mid Michigan Internal Medicine PC's NPI (1346388857) is active in the NPPES registry as of the last update on 2008-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.