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

William Papanickolas, MD

Individual provider Anesthesiology Physician · NPI 1811920937

William Papanickolas, MD is an Anesthesiology in Modesto, California. Graduated from Medical College of Wisconsin in 1989, 37 years ago. Practices with Valley Regional Anesthesia Associates Inc, a 153-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Trained at
Medical College of Wisconsin
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1441 Florida Ave
Modesto, CA 95350-4405
Phone: (209) 578-1211
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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 G77663 (CA)

Record details

NPI number1811920937
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 9, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 28128, Fresno, CA 93729-8128

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1989 (37 years in practice)
Group practice Valley Regional Anesthesia Associates Inc — 153 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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