GI MEDICAL ASSOC PC
NPI 1154311405
Internal Medicine - Gastroenterology in Saint Clair Shores, MI

Active since October 27, 2005
28963 LITTLE MACK AVE, SUITE 101, SAINT CLAIR SHORES, MI 48081(586) 447-0700(586) 498-0707 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gi Medical Assoc Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GI MEDICAL ASSOC PC (NPI 1154311405), doing business as Gi Medicine Associates Pc, is a healthcare organization registered as a gastroenterology in Saint Clair Shores, Michigan and active in the NPI registry since October 2005. The organization maintains a secondary practice location in Macomb and lists Katrina Nicole Ciluffo, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1154311405
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGI MEDICAL ASSOC PC
Location Address28963 LITTLE MACK AVE, SUITE 101Saint Clair Shores, MI 48081-3017
Mailing Address28963 Little Mack Ave Ste 101Saint Clair Shores, MI 48081-3017 · (586) 447-0700 · Fax (586) 498-0707
Fax(586) 498-0707
Organization SubpartNo
Authorized OfficialKatrina Nicole CiluffoPractice Administrator · (586) 445-3719
Enumeration DateOctober 27, 2005
Last NPPES UpdateOctober 1, 2025
NPPES CertifiedOctober 1, 2025
✔ NPI 1154311405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
28963 LITTLE MACK AVE, Saint Clair Shores, MI 48081

Other Names 1

Doing Business AsGi Medicine Associates Pc

Secondary Practice Location 1

Location 117900 23 Mile Rd Ste 404Macomb, MI 48044-1161 · Phone (586) 447-0700 · Fax (586) 447-0795

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gi Medical Assoc Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Gi Medical Assoc PC, which bills Medicare for the services they deliver. Of these, 9 practice at this address. They are listed nearest first.

Clinicians, nearest first (9)

Gastroenterology
NPI 1972584191
28963 LITTLE MACK AVE SUITE 101
St Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1912103755
28963 LITTLE MACK AVE STE 101
Saint Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1801886155
28963 LITTLE MACK STE 101
St Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1770564999
28963 LITTLE MACK AVE STE 101
St Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1558180471
28963 LITTLE MACK AVE STE 101
Saint Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1679858625
28963 LITTLE MACK AVE STE 101
Saint Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1104816370
28963 LITTLE MACK AVE SUITE 101
St Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1225398431
28963 LITTLE MACK AVE STE 101
Saint Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address
Gastroenterology
NPI 1700131505
28963 LITTLE MACK AVE SUITE 101
Saint Clair Shores, MI 48081
(586) 447-0700
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gi Medical Assoc PC's NPI number?

The NPI number for Gi Medical Assoc PC is 1154311405. It was assigned to this organization in the NPPES registry on October 27, 2005. The provider is doing business as Gi Medicine Associates PC.

Where is Gi Medical Assoc PC located?

Gi Medical Assoc PC is located at 28963 Little Mack Ave Suite 101, Saint Clair Shores, MI 48081. The listed phone number is (586) 447-0700.

What is Gi Medical Assoc PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Gi Medical Assoc PC enrolled in Medicare?

Yes. Gi Medical Assoc PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gi Medical Assoc PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Gi Medical Assoc PC. A 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 the clinician's services. The largest specialties are Gastroenterology (7) and Nurse Practitioner (2). Of these, 9 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Gi Medical Assoc PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Gi Medical Assoc PC 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.

When was this NPI record last updated?

The NPPES record for Gi Medical Assoc PC was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.