Martha Rumschlag, MD
NPI 1447251368 · Family Medicine Physician · South Lyon, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Rumschlag, MD is a Family Medicine Physician provider in South Lyon, MI (NPI 1447251368).
Provider details
- NPI number
- 1447251368
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301071566 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 7575 Grand River Rd Ste 210Brighton, MI 48114-9379Phone: (810) 844-7950Fax: (810) 494-6895
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2025-03-28
- Certified
- 2025-03-28
Frequently asked questions
- What is Martha Rumschlag's NPI number?
- Martha Rumschlag's National Provider Identifier (NPI) is 1447251368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Rumschlag's specialty?
- Martha Rumschlag is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martha Rumschlag located?
- Martha Rumschlag's practice location on file with NPPES is 210 N Lafayette St, South Lyon, MI 48178-2048.
- What is Martha Rumschlag's phone number?
- The practice phone number listed in the NPPES registry for Martha Rumschlag is (248) 437-1744.
- Does Martha Rumschlag accept Medicare?
- Martha Rumschlag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Rumschlag's NPI active?
- Yes — Martha Rumschlag's NPI (1447251368) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.