Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Joseph Rittinger Jr., DO

Individual provider Anesthesiology Physician · NPI 1730234618

Dr. William Joseph Rittinger Jr., DO is an Anesthesiology in Grand Blanc, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 2003, 23 years ago. Practices with Anesthesia Services Associates PC, a 67-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
23
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MA
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2432 Genesys Pkwy
Grand Blanc, MI 48439-8069
Phone: (810) 606-6649
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 220982 (MA)

Record details

NPI number1730234618
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 24, 2007
Last updated in NPPESSeptember 26, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2003 (23 years in practice)
Group practice Anesthesia Services Associates Pc — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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