NPPES file of Aug 9, 2026

Eric Michael Granowicz, M.D.

Hematology (Internal Medicine) Physician · Jackson, MI

Eric Michael Granowicz, M.D. is a hematology (internal medicine) physician with a practice address in Jackson, Michigan, and NPI 1750776985, issued on Apr 3, 2015. Check the license (Michigan 4301507424, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750776985
Name
Eric Michael Granowicz
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License numbers
4301507424 MI
A149914 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 E Michigan Ave Ste 307, Jackson, MI 49201
Phone
(517) 205-4800
Enumerated
Apr 3, 2015
Record last updated
Sep 29, 2023
Medicare enrollment
Enrolled (PECOS I20220719003012); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hematology (internal medicine) physician records → All 57 in Michigan → Look up another NPI →

Also registered at 1100 E Michigan Ave Ste 307

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Bence, NPNurse Practitioner1891154829
  2. Chad Case, M.S., P.A.-CPhysician Assistant1063774172
  3. Chantelle Dawson, RNAdult Health Nurse Practitioner1467204016
  4. Angela Egmon, PA-CPhysician Assistant1063199198
  5. Stacey HamptonCommunity Health Worker1356235006
  6. Elias Hazzi, MDMedical Oncology Physician1164418042

Verify Eric Michael Granowicz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301507424    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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1% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024

503 Medicare Part D claims for 110 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Eric Granowicz503
  2. Specialty average496

Most prescribed

  1. Anastrozole60 claims
  2. Eliquis33 claims
  3. Acyclovir30 claims
  4. Abiraterone Acetate27 claims
  5. Sulfamethoxazole-Trimethoprim25 claims
  6. Brukinsa23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. W. A. Foote Memorial Hospital, Inc.Jackson, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eric Michael Granowicz among 57 hematology (internal medicine) physician records in Michigan

Eric Michael Granowicz, M.D. is one of 57 hematology (internal medicine) physician records with a practice address in Michigan. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2015 · median 2007 among the 45 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in Michigan

There are 57 hematology (internal medicine) physician records in Michigan.

All 57 in Michigan → Every provider in Jackson → Hematology (Internal Medicine) Physician nationwide →

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Craig Cole, MDLansing, MI 489101700881059
  2. Syed Muneer Abidi, MDGrand Rapids, MI 495031922045525
  3. Rupin ShahGrand Rapids, MI 495031073932695
  4. Yazan Migdady, M.D.Wyoming, MI 495191306157458
  5. Louis Marks, M.D.Grand Rapids, MI 495251588660468
  6. John O'Donnell, M.D.Grand Rapids, MI 495251811993702
  7. David Oviatt, MDGrand Rapids, MI 495251164428298
  8. Luke Eastburg, MDGrand Rapids, MI 495461649626508

Common questions

What is Eric Michael Granowicz, M.D.'s NPI number?

Eric Michael Granowicz, M.D.'s National Provider Identifier (NPI) is 1750776985, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Eric Michael Granowicz, M.D. located?

The NPPES record lists a practice address at 1100 E Michigan Ave Ste 307, Jackson, MI, 49201. Phone: (517) 205-4800. Providers update this record themselves, so call before visiting.

How can I verify Eric Michael Granowicz, M.D.'s license?

NPPES lists Michigan license number 4301507424, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eric Michael Granowicz, M.D. prescribe under Medicare Part D?

In 2024, Eric Michael Granowicz, M.D. had 503 Medicare Part D claims for 110 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.