Marcos Montagnini, MD
NPI 1730109679 · Geriatric Medicine (Internal Medicine) Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Montagnini, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Ann Arbor, MI (NPI 1730109679).
Provider details
- NPI number
- 1730109679
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301065735 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-07-21
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Marcos Montagnini's NPI number?
- Marcos Montagnini's National Provider Identifier (NPI) is 1730109679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Montagnini's specialty?
- Marcos Montagnini is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Marcos Montagnini located?
- Marcos Montagnini's practice location on file with NPPES is 4260 Plymouth Rd, Ann Arbor, MI 48109-2700.
- What is Marcos Montagnini's phone number?
- The practice phone number listed in the NPPES registry for Marcos Montagnini is (734) 764-6831.
- Does Marcos Montagnini accept Medicare?
- Marcos Montagnini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Montagnini's NPI active?
- Yes — Marcos Montagnini's NPI (1730109679) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.