MARSHALL SALVATORE GRILLO JR. DO
NPI 1730114448
Surgery - Vascular Surgery in Grand Blanc, MI
About Marshall Salvatore Grillo Jr. Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARSHALL SALVATORE GRILLO JR. DO (NPI 1730114448) is an individual vascular surgery provider in Grand Blanc, Michigan, licensed in Florida (OS20499) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Holmes Regional Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 7
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marshall Salvatore Grillo Jr. Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Marshall Grillo reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Blanc, MI 48439
- Reassigned Medicare billing, Michigan enrollment
- 6 clinicians in this Medicare group
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- 474 clinicians in this Medicare group
Midland, MI 48642
- Reassigned Medicare billing, Michigan enrollment
- 19 clinicians in this Medicare group
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 536 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Lake St Louis, MO 63367
- Reassigned Medicare billing, Illinois and Missouri enrollments
- 3 clinicians in this Medicare group
Melbourne, FL 32901
- Reassigned Medicare billing, Florida enrollment
- 773 clinicians in this Medicare group
Mesa, AZ 85201
- Reassigned Medicare billing, Arizona enrollment
- 1,490 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holmes Regional Medical Center
Acute Care Hospitals · Melbourne, FLViera Hospital
Acute Care Hospitals · Melbourne, FLMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marshall Grillo's NPI number?
The NPI number for Marshall Grillo is 1730114448. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Marshall Grillo located?
Marshall Grillo practices at 600 Health Park Blvd Ste G, Grand Blanc, MI 48439. The listed phone number is (810) 606-1660.
What is Marshall Grillo's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Marshall Grillo enrolled in Medicare?
Yes. Marshall Grillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marshall Grillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marshall Grillo reassigns Medicare benefits to 8 organizations: Integrated Vascular Vein Center Of Michigan PC (Grand Blanc, MI), W.A. Foote Memorial Hospital (Jackson, MI), Vascular Health Clinics PLLC (Midland, MI), Mymichigan Medical Center Midland (Midland, MI), Osf Multi-Specialty Group (Peoria, IL) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marshall Grillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marshall Grillo accept?
Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Health First Commercial Plans, Inc. and 2 other insurers list Marshall Grillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marshall Grillo affiliated with any hospitals?
According to CMS data, Marshall Grillo is affiliated with Holmes Regional Medical Center, Viera Hospital and Mymichigan Medical Center Midland.
When was this NPI record last updated?
The NPPES record for Marshall Grillo was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.