NPPES file of Aug 9, 2026

Dianne E. Gregory, M.D.

Internal Medicine Physician · Grand Blanc, MI

Dianne E. Gregory, M.D. is an internal medicine physician with a practice address in Grand Blanc, Michigan, and NPI 1497795462, issued on Jun 7, 2006. Check the license (Michigan 4301076331, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1497795462
Name
Dianne E. Gregory
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301076331 MI
Self-reported in NPPES; status is on the state search
Practice location
8235 Holly RD, Grand Blanc, MI 48439
Phone
(810) 694-9110
Enumerated
Jun 7, 2006
Record last updated
Jul 13, 2026
Fax
(810) 695-0343
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →

Also registered at 8235 Holly RD

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

  1. Andrea Goethals, D.O.Surgery Physician1104956895
  2. Carl Gutekunst, D.O.Surgery Physician1821013855

Verify Dianne E. Gregory 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 4301076331    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Dianne E. Gregory among 5,735 internal medicine physician records in Michigan

Dianne E. Gregory, M.D. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

100 internal medicine physician records list a practice address in Grand Blanc

They are 100 of the 1,735 NPPES records with a practice address in Grand Blanc, and 5,735 internal medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,735 in Michigan → Every provider in Grand Blanc → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Badar Ahmed, M.D.Grand Blanc, MI 484391699768796
  2. Indira Alluru, MDGrand Blanc, MI 484391003918095
  3. Ann Burton, MDGrand Blanc, MI 484391528253689
  4. Osama Galal, M.D.Grand Blanc, MI 484391891735148
  5. Jane Johnson, M.D.Grand Blanc, MI 484391427132877
  6. El Sheikh Eltayeb Kineish, M.D.Grand Blanc, MI 484391861405797
  7. Prasad Kommareddi, M.D.Grand Blanc, MI 484391669564498
  8. Paul McGowan, D.O.Grand Blanc, MI 484391750517421

Common questions

What is Dianne E. Gregory, M.D.'s NPI number?

Dianne E. Gregory, M.D.'s National Provider Identifier (NPI) is 1497795462, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dianne E. Gregory, M.D. located?

The NPPES record lists a practice address at 8235 Holly RD, Grand Blanc, MI, 48439. Phone: (810) 694-9110. Providers update this record themselves, so call before visiting.

How can I verify Dianne E. Gregory, M.D.'s license?

NPPES lists Michigan license number 4301076331, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.