Nicolas Sawyer, M.D.
Emergency Medicine Physician · Sonoma, CA
Nicolas Sawyer, M.D. is an emergency medicine physician with a practice address in Sonoma, California, and NPI 1033470760, issued on May 29, 2012. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicolas Sawyer
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 182876 NC
Self-reported in NPPES; status is on the state search - Practice location
- 347 Andrieux St, Sonoma, CA 95476
- Phone
- (707) 935-5000
- Enumerated
- May 29, 2012
- Record last updated
- Sep 16, 2024
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 347 Andrieux St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Brooks, PHD. LCSWMental Health Counselor1235268988
- Daryl Chinn, M.D.Diagnostic Radiology Physician1427097286
- Erick French, MDEmergency Medicine Physician1649206806
- Leslie Graham, M.D.Emergency Medicine Physician1841463346
- Marek Grzybowski, P.T.Physical Therapist1205256443
- Jared Hubbell, M.D.Family Medicine Physician1538387428
Verify Nicolas Sawyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average emergency medicine physician in 2024
153 Medicare Part D claims for 103 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Ondansetron Odt22 claims
- Hydrocodone-Acetaminophen13 claims
- Sulfamethoxazole-Trimethoprim12 claims
- Cefdinir11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.7 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).
Nicolas Sawyer among 7,751 emergency medicine physician records in California
Nicolas Sawyer, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 emergency medicine physician records list a practice address in Sonoma
They are 8 of the 395 NPPES records with a practice address in Sonoma, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Sonoma → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Erick French, MDSonoma, CA 954761649206806
- Jay Goldberg, MDSonoma, CA 954761225141971
- Leslie Graham, M.D.Sonoma, CA 954761841463346
- Stephen Kahn, MDSonoma, CA 954761962515262
- William Keyser, MDSonoma, CA 954761306859194
- Robert Petty, DOSonoma, CA 954761497795496
- Mark Wills, MDSonoma, CA 954761063525715
- Michele Borgeson, MDSebastopol, CA 954721396700936
Common questions
What is Nicolas Sawyer, M.D.'s NPI number?
Nicolas Sawyer, M.D.'s National Provider Identifier (NPI) is 1033470760, issued on May 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nicolas Sawyer, M.D. located?
The NPPES record lists a practice address at 347 Andrieux St, Sonoma, CA, 95476. Phone: (707) 935-5000. Providers update this record themselves, so call before visiting.
How can I verify Nicolas Sawyer, M.D.'s license?
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.
How much does Nicolas Sawyer, M.D. prescribe under Medicare Part D?
In 2024, Nicolas Sawyer, M.D. had 153 Medicare Part D claims for 103 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Nicolas Sawyer, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.7 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.