William Arnold Combs, M.D.
Otolaryngology Physician · Santa Rosa, CA
William Arnold Combs, M.D. is an otolaryngology physician with a practice address in Santa Rosa, California, and NPI 1073687539, issued on Nov 17, 2006. Check the license (California G20429, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Arnold Combs
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- G20429 CA
MD60030905 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 4TH St Ste 120, Santa Rosa, CA 95404
- Phone
- (707) 523-7025
- Enumerated
- Nov 17, 2006
- Record last updated
- Nov 3, 2022
- Medicaid ID
- 00G204290 CA
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 1701 4TH St Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rami Abdou, M.D.Otolaryngology Physician1700143013
- Annick Aubin-PouliotOtolaryngology Physician1205213170
- Elizabeth Cedars, M.D.Otolaryngology Physician1982947404
- Mark Homicz, M.D.Otolaryngology Physician1336198449
- Niraj Lal, MDOtolaryngology Physician1770614059
- Been Liao, MDOtolaryngology Physician1831277409
Verify William Arnold Combs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G20429Check 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): 75.1 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).
William Arnold Combs among 1,212 otolaryngology physician records in California
William Arnold Combs, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2022 · 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 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Santa Rosa → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Rami Abdou, M.D.Santa Rosa, CA 954041700143013
- Annick Aubin-PouliotSanta Rosa, CA 954041205213170
- Elizabeth Cedars, M.D.Santa Rosa, CA 954041982947404
- Mark Homicz, M.D.Santa Rosa, CA 954041336198449
- Niraj Lal, MDSanta Rosa, CA 954041770614059
- Been Liao, MDSanta Rosa, CA 954041831277409
- David Quenelle, M.D.Santa Rosa, CA 954041710909791
- Stefan Zechowy, M.D.Santa Rosa, CA 954041184724171
Common questions
What is William Arnold Combs, M.D.'s NPI number?
William Arnold Combs, M.D.'s National Provider Identifier (NPI) is 1073687539, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Arnold Combs, M.D. located?
The NPPES record lists a practice address at 1701 4TH St Ste 120, Santa Rosa, CA, 95404. Phone: (707) 523-7025. Providers update this record themselves, so call before visiting.
How can I verify William Arnold Combs, M.D.'s license?
NPPES lists California license number G20429, 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 Arnold Combs, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.1 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.