William Papanickolas, MD
Anesthesiology Physician · Modesto, CA
William Papanickolas, MD is an anesthesiology physician with a practice address in Modesto, California, and NPI 1811920937, issued on Jul 9, 2006. Check the license (California G77663, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Papanickolas
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G77663 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Florida Ave, Modesto, CA 95350
- Phone
- (209) 578-1211
- Enumerated
- Jul 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071101000712); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1989
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1441 Florida Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohammed Abo Khamis, M.D.Pulmonary Disease Physician1508098419
- Thadeo Aceves, PA-CPhysician Assistant1821358375
- Arya AfzaliStudent in an Organized Health Care Education/Training Program1841975646
- Sheena Allen, PAMedical Physician Assistant1134473564
- Angel Arellano, PA-CPhysician Assistant1114864634
Verify William Papanickolas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 60.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Valley Regional Anesthesia Associates IncPorterville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Papanickolas among 7,571 anesthesiology physician records in California
William Papanickolas, MD is one of 7,571 anesthesiology physician records with a practice address in California. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1989 · median 2006 among the 4,868 with a school on file
- Record last updated2007 · 63% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 anesthesiology physician records list a practice address in Modesto
They are 75 of the 9,262 NPPES records with a practice address in Modesto, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Modesto → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- John Chan, M.D.Modesto, CA 953501508859398
- Juan Cucalon, M.D.Modesto, CA 953501649251083
- Robert Goldman, MDModesto, CA 953501528084043
- Charles Hsu, MDModesto, CA 953501457377988
- Myung Kim, MDModesto, CA 953501104842640
- Won Kim, MDModesto, CA 953501467478909
- Hwan Kim, MDModesto, CA 953501245256775
- Yhi-Hong Liau, MDModesto, CA 953501265458707
Common questions
What is William Papanickolas, MD's NPI number?
William Papanickolas, MD's National Provider Identifier (NPI) is 1811920937, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Papanickolas, MD located?
The NPPES record lists a practice address at 1441 Florida Ave, Modesto, CA, 95350. Phone: (209) 578-1211. Providers update this record themselves, so call before visiting.
How can I verify William Papanickolas, MD's license?
NPPES lists California license number G77663, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William Papanickolas, MD's MIPS final score?
The 2023 MIPS final score is 60.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.