IndividualActive
Mark Mills, MD
NPI 1104807452 · Internal Medicine Physician · Lansing, MI
Mark Mills, MD is a Internal Medicine Physician provider in Lansing, MI (NPI 1104807452).
Provider details
- NPI number
- 1104807452
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 4301049237 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
6465 Millennium
Suite 100
Lansing, MI 48917-7831
Phone: (517) 367-5220
Fax: (517) 367-5245
Street-level locationGet directions
Mailing address
401 S Ballenger Hwy
Flint, MI 48532-3638
Registry dates
- Enumerated
- 2005-11-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Mills's NPI number?
- Mark Mills's National Provider Identifier (NPI) is 1104807452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mills's specialty?
- Mark Mills is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Mills located?
- Mark Mills's practice location on file with NPPES is 6465 Millennium, Lansing, MI 48917-7831.
- What is Mark Mills's phone number?
- The practice phone number listed in the NPPES registry for Mark Mills is (517) 367-5220.
- Is Mark Mills's NPI active?
- Yes — Mark Mills's NPI (1104807452) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.