NPPES file of Aug 9, 2026

William Joseph Rittinger, D.O.

Anesthesiology Physician · Grand Blanc, MI

William Joseph Rittinger, D.O. is an anesthesiology physician with a practice address in Grand Blanc, Michigan, and NPI 1730234618, issued on Jan 24, 2007. Check the license 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730234618
Name
William Joseph Rittinger
Credential
D.O.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
220982 MA
Self-reported in NPPES; status is on the state search
Practice location
2432 Genesys Pkwy, Grand Blanc, MI 48439
Phone
(810) 606-6649
Enumerated
Jan 24, 2007
Record last updated
Sep 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20071109000545); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2003
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 anesthesiology physician records → All 1,720 in Michigan → Look up another NPI →

Also registered at 2432 Genesys Pkwy

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

  1. Kimberly Carpenter, CRNACertified Registered Nurse Anesthetist1124270863
  2. Kelly SzeligaCertified Registered Nurse Anesthetist1457728974

Verify William Joseph Rittinger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)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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Bills Medicare through one group practice

  1. Anesthesia Services Associates PCGrand Blanc, MI

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

William Joseph Rittinger among 1,720 anesthesiology physician records in Michigan

William Joseph Rittinger, D.O. is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 45% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2003 · median 2006 among the 1,126 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Michigan

There are 1,720 anesthesiology physician records in Michigan.

All 1,720 in Michigan → Every provider in Grand Blanc → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Bala Aysola, M.D.Grand Blanc, MI 484391164456752
  2. Paula Berg, M.D.Grand Blanc, MI 484391699889188
  3. Joel Buffington, D.O.Grand Blanc, MI 484391033223532
  4. Yong Chung, M.D.Grand Blanc, MI 484391003846874
  5. Michael Danic, D.O.Grand Blanc, MI 484391841314564
  6. Laurie Easter, M.D.Grand Blanc, MI 484391043445414
  7. Ravi Hedni, M.D.Grand Blanc, MI 484391265461933
  8. Donald Landesman, D.O.Grand Blanc, MI 484391104217074

Common questions

What is William Joseph Rittinger, D.O.'s NPI number?

William Joseph Rittinger, D.O.'s National Provider Identifier (NPI) is 1730234618, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Joseph Rittinger, D.O. located?

The NPPES record lists a practice address at 2432 Genesys Pkwy, Grand Blanc, MI, 48439. Phone: (810) 606-6649. Providers update this record themselves, so call before visiting.

How can I verify William Joseph Rittinger, D.O.'s license?

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.

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.