DR. ERIC MICHAEL GRANOWICZ M.D.
NPI 1750776985
Internal Medicine - Hematology in Jackson, MI
About Dr. Eric Michael Granowicz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC MICHAEL GRANOWICZ M.D. (NPI 1750776985) is an individual hematology provider in Jackson, Michigan, licensed in Michigan (4301507424) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Hillsdale Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Dr. Eric Michael Granowicz M.d. 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 Reassignment
Medicare enrollment records show Eric Granowicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jackson, MI 49201
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: W.A. Foote Memorial Hospital
- 474 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hillsdale Hospital
Acute Care Hospitals · Hillsdale, MIHenry Ford Allegiance Health
Acute Care Hospitals · Jackson, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49201 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.
JACKSON, MI 49201
JACKSON, MI 49201
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 Eric Granowicz's NPI number?
The NPI number for Eric Granowicz is 1750776985. It was assigned to this individual provider in the NPPES registry on April 3, 2015.
Where is Eric Granowicz located?
Eric Granowicz practices at 1100 E Michigan Ave Ste 307, Jackson, MI 49201. The listed phone number is (517) 205-4800.
What is Eric Granowicz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Eric Granowicz enrolled in Medicare?
Yes. Eric Granowicz 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 organization bills Medicare for Eric Granowicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Granowicz reassigns Medicare benefits to Wa Foote Memorial Hospital (Jackson, MI). The 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 Eric Granowicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Granowicz 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 and 1 other insurer list Eric Granowicz 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 Eric Granowicz affiliated with any hospitals?
According to CMS data, Eric Granowicz is affiliated with Hillsdale Hospital and Henry Ford Allegiance Health.
When was this NPI record last updated?
The NPPES record for Eric Granowicz was last updated on September 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Eric Michael Granowicz, M.D. · NPI 1750776985
Hematology physician in Jackson, Michigan. Individual provider, active in the CMS NPPES registry since April 3, 2015.
## Identity
- **NPI:** 1750776985 (Entity type: Individual)
- **Enumerated:** April 3, 2015
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** 4301507424 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 E MICHIGAN AVE STE 307, Jackson, MI 49201-1850
- **Phone:** (517) 205-4800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Wa Foote Memorial Hospital (NPI 1457563223, Jackson, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1750776985) · Data from the CMS NPPES public registry.