Michael Grassi, M.D.
NPI 1952340143 · Internal Medicine Physician · Robbinsdale, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Grassi, M.D. is a Internal Medicine Physician provider in Robbinsdale, MN (NPI 1952340143).
Provider details
- NPI number
- 1952340143
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 62868 (MN)
Specialties & taxonomies
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
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)
- 15 Salt Creek LnSuite 111Hinsdale, IL 60521-2926Phone: (630) 371-0133Fax: (630) 371-0138
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2018-01-23
Frequently asked questions
- What is Michael Grassi's NPI number?
- Michael Grassi's National Provider Identifier (NPI) is 1952340143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Grassi's specialty?
- Michael Grassi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Grassi located?
- Michael Grassi's practice location on file with NPPES is 3300 Oakdale Ave N, Robbinsdale, MN 55422-2926.
- What is Michael Grassi's phone number?
- The practice phone number listed in the NPPES registry for Michael Grassi is (763) 581-6560.
- Does Michael Grassi accept Medicare?
- Michael Grassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Grassi's NPI active?
- Yes — Michael Grassi's NPI (1952340143) is active in the NPPES registry as of the last update on 2018-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.