NPPES file of Aug 9, 2026

Joseph B. Simmert, DO

Pediatrics Physician · Grand Blanc, MI

Joseph B. Simmert, DO is a pediatrics physician with a practice address in Grand Blanc, Michigan, and NPI 1124120894, issued on Sep 2, 2006. Check the license (Michigan 5101011898, 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
1124120894
Name
Joseph B. Simmert
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License number
5101011898 MI
Self-reported in NPPES; status is on the state search
Practice location
8435 Holly RD, Grand Blanc, MI 48439
Phone
(810) 232-5627
Enumerated
Sep 2, 2006
Record last updated
Jun 27, 2025
Fax
(810) 232-8024
Medicaid ID
3258669 MI
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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Also registered at 8435 Holly RD

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

  1. Kimberly Abraham, LMSWSocial Worker1770695710
  2. Myra Alliston, LLPCognitive & Behavioral Psychologist1235241282
  3. Jill Bills, LPCProfessional Counselor1750792347
  4. Paul Chrenka, MDPediatrics Physician1780621292
  5. Ashley Duffield, NPNurse Practitioner1215300033
  6. Tonya Farrer, MA, LLP, CAACSocial Worker1477682037

Verify Joseph B. Simmert 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 5101011898
    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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Industry payments in 2024: $673.37

38 payments; by number, the most common kind was food and beverage; the largest payer was Ironshore Pharmaceuticals Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Simmert$673.37
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Joseph B. Simmert among 2,180 pediatrics physician records in Michigan

Joseph B. Simmert, DO is one of 2,180 pediatrics physician records with a practice address in Michigan. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Michigan

There are 2,180 pediatrics physician records in Michigan.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Habib Akrawi, M.D.Grand Blanc, MI 484391225183429
  2. Shivani Choudhary, MDGrand Blanc, MI 484391316130172
  3. Paul Chrenka, MDGrand Blanc, MI 484391780621292
  4. Stacy Frye, M.D.Grand Blanc, MI 484391689871576
  5. Fawaz Haddad, MDGrand Blanc, MI 484391194819029
  6. Kirellos KhalilGrand Blanc, MI 484391598657538
  7. Wendy Lawton, MDGrand Blanc, MI 484391184696254
  8. Mohammed Sobh, MDGrand Blanc, MI 484391346132636

Common questions

What is Joseph B. Simmert, DO's NPI number?

Joseph B. Simmert, DO's National Provider Identifier (NPI) is 1124120894, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph B. Simmert, DO located?

The NPPES record lists a practice address at 8435 Holly RD, Grand Blanc, MI, 48439. Phone: (810) 232-5627. Providers update this record themselves, so call before visiting.

How can I verify Joseph B. Simmert, DO's license?

NPPES lists Michigan license number 5101011898, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.