Omar Dimassi, MD
NPI 1548151269 · Family Medicine Physician · Grand Blanc, MI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omar Dimassi, MD is a Family Medicine Physician provider in Grand Blanc, MI (NPI 1548151269).
Provider details
- NPI number
- 1548151269
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351054504 (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
Under 1 yr in 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
- 2025-07-11
- Last updated
- 2025-07-11
- Certified
- 2025-07-11
Frequently asked questions
- What is Omar Dimassi's NPI number?
- Omar Dimassi's National Provider Identifier (NPI) is 1548151269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omar Dimassi's specialty?
- Omar Dimassi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Omar Dimassi located?
- Omar Dimassi's practice location on file with NPPES is 1 Genesys Pkwy, Grand Blanc, MI 48439-8065.
- What is Omar Dimassi's phone number?
- The practice phone number listed in the NPPES registry for Omar Dimassi is (810) 606-5000.
- Does Omar Dimassi accept Medicare?
- Omar Dimassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omar Dimassi's NPI active?
- Yes — Omar Dimassi's NPI (1548151269) is active in the NPPES registry as of the last update on 2025-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.