Marshall Grillo, DO
NPI 1730114448 · Vascular Surgery Physician · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Grillo, DO is a Vascular Surgery Physician provider in Grand Blanc, MI (NPI 1730114448).
Provider details
- NPI number
- 1730114448
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS20499 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 2270 S Ridgeview Dr Ste 201Yuma, AZ 85364-8880Phone: (928) 344-5055Fax: (928) 336-6290
- 699 W Cocoa Beach CswyCocoa Beach, FL 32931-3577Phone: (321) 549-0815
- 1223 Gateway DrMelbourne, FL 32901-2607Phone: (321) 549-0815
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2025-09-05
- Certified
- 2025-09-05
Frequently asked questions
- What is Marshall Grillo's NPI number?
- Marshall Grillo's National Provider Identifier (NPI) is 1730114448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Grillo's specialty?
- Marshall Grillo is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Grillo located?
- Marshall Grillo's practice location on file with NPPES is 600 Health Park Blvd, Grand Blanc, MI 48439-2558.
- What is Marshall Grillo's phone number?
- The practice phone number listed in the NPPES registry for Marshall Grillo is (810) 606-1660.
- Does Marshall Grillo accept Medicare?
- Marshall Grillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Grillo's NPI active?
- Yes — Marshall Grillo's NPI (1730114448) is active in the NPPES registry as of the last update on 2025-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.