Edward Mason West, M.D.
Emergency Medicine Physician · Santa Rosa, CA
Edward Mason West, M.D. is an emergency medicine physician with a practice address in Santa Rosa, California, and NPI 1558377440, issued on Jul 31, 2006. Check the license (California C41613, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Edward Mason West
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- C41613 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1165 Montgomery Dr, Santa Rosa, CA 95405
- Phone
- (707) 522-1573
- Enumerated
- Jul 31, 2006
- Record last updated
- Feb 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1165 Montgomery Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryam Aghighi, MDAnatomic Pathology & Clinical Pathology Physician1073074977
- Johnathan Agil, MDEmergency Medicine Physician1700413002
- Katherine Aldrich, NPAdult Health Nurse Practitioner1194995563
- Mujeeb Altaf, MBBS.,MRCP(UK)Hospitalist Physician1316125941
- Rebecca Althoff, RNFARegistered Nurse First Assistant1427119668
- Sanyogeeta Bhaway, M.D.Internal Medicine Physician1275828162
Verify Edward Mason West in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41613Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average emergency medicine physician in 2024
209 Medicare Part D claims for 137 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Doxycycline Hyclate22 claims
- Nitrofurantoin Mono-Macro20 claims
- Albuterol Sulfate Hfa16 claims
- Amoxicillin-Clavulanate Potass12 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.
Edward Mason West among 7,751 emergency medicine physician records in California
Edward Mason West, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Santa Rosa → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Elgin, M.D.Santa Rosa, CA 954051912948480
- Omar Ferrari, D.O.Santa Rosa, CA 954051861589186
- David Giannetto, MDSanta Rosa, CA 954051881717155
- David Grundy, MDSanta Rosa, CA 954051902845597
- Stewart Lauterbach, M.D.Santa Rosa, CA 954051992746481
- Stephen Levinson, M.D.Santa Rosa, CA 954051144261637
- Daniel Matulich, M.D.Santa Rosa, CA 954051043254600
- Gary Mc Calla, M.D.Santa Rosa, CA 954051669416285
Common questions
What is Edward Mason West, M.D.'s NPI number?
Edward Mason West, M.D.'s National Provider Identifier (NPI) is 1558377440, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Edward Mason West, M.D. located?
The NPPES record lists a practice address at 1165 Montgomery Dr, Santa Rosa, CA, 95405. Phone: (707) 522-1573. Providers update this record themselves, so call before visiting.
How can I verify Edward Mason West, M.D.'s license?
NPPES lists California license number C41613, 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.
How much does Edward Mason West, M.D. prescribe under Medicare Part D?
In 2024, Edward Mason West, M.D. had 209 Medicare Part D claims for 137 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.