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GRATIOT-ISABELLA NEPHROLOGY PC
NPI 1568634442
Internal Medicine - Nephrology in Alma, MI

Active since March 31, 2008
315 E WARWICK DR, SUITE F-2, ALMA, MI 48801(989) 463-4805(989) 463-4680 Get Directions Write a Review

NPPES record last updated: March 31, 2008. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Gratiot-isabella Nephrology Pc NPPES

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

GRATIOT-ISABELLA NEPHROLOGY PC (NPI 1568634442) is a healthcare organization registered as a nephrology in Alma, Michigan and active in the NPI registry since March 2008. The organization lists Jose E Fuente, Owner, as its authorized official.

NPPES Registry Identity

NPI1568634442
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameGRATIOT-ISABELLA NEPHROLOGY PC
Location Address315 E WARWICK DR, SUITE F-2Alma, MI 48801-1083
Mailing Address315 E Warwick Dr, Suite F-2Alma, MI 48801-1083 · (989) 463-4805 · Fax (989) 463-4680
Phone(989) 463-4805
Fax(989) 463-4680
Organization SubpartNo
Authorized OfficialJose E FuenteOwner · (989) 463-4805
Enumeration DateMarch 31, 2008
✔ NPI 1568634442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
315 E WARWICK DR, Alma, MI 48801
Open in Google Maps ↗

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

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gratiot-isabella Nephrology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMichiganEnrollment IDO20080822000530Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gratiot-Isabella Nephrology PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jose Fuente, M.D.
Nephrology
NPI 1699718148
315 E WARWICK DR SUITE F-2
Alma, MI 48801
(989) 463-4805
✔ 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 Gratiot-Isabella Nephrology PC's NPI number?

The NPI number for Gratiot-Isabella Nephrology PC is 1568634442. It was assigned to this organization in the NPPES registry on March 31, 2008.

Where is Gratiot-Isabella Nephrology PC located?

Gratiot-Isabella Nephrology PC is located at 315 E Warwick Dr Suite F-2, Alma, MI 48801. The listed phone number is (989) 463-4805.

What is Gratiot-Isabella Nephrology PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Gratiot-Isabella Nephrology PC enrolled in Medicare?

Yes. Gratiot-Isabella Nephrology PC is registered in the Medicare PECOS enrollment system.

When is Gratiot-Isabella Nephrology PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Michigan, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Gratiot-Isabella Nephrology PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Gratiot-Isabella Nephrology 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Gratiot-Isabella Nephrology PC accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Gratiot-Isabella Nephrology 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 Gratiot-Isabella Nephrology PC was last updated on March 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.