Walter William Watson, M.D.
Anesthesiology Physician · Inglewood, CA
Walter William Watson, M.D. is an anesthesiology physician with a practice address in Inglewood, California, and NPI 1225066855, issued on Jun 30, 2006. Check the license (California C41555, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Walter William Watson
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- C41555 CA
Self-reported in NPPES; status is on the state search - Practice location
- 555 E Hardy St, Inglewood, CA 90301
- Phone
- (310) 673-4660
- Enumerated
- Jun 30, 2006
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00C415550 CA
- Medicare enrollment
- Enrolled (PECOS I20080610000268); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 555 E Hardy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abby Adesanya, PHARM.DPharmacist1518997790
- Rabia Ahmed, M.D.Internal Medicine Physician1396772596
- Joanna AlcocerSocial Worker1205467404
- Mohammed Alomari, M.B.B.CH.Student in an Organized Health Care Education/Training Program1811840754
- Talia AmiriNurse Practitioner1871000802
- Mahjuba Ansari, MDStudent in an Organized Health Care Education/Training Program1780535021
Verify Walter William Watson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average anesthesiology physician in 2024
27 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Perioperative Anesthesia ConsultantsTorrance, CA
- Tip Top Anesthesia Group IncBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter William Watson among 7,571 anesthesiology physician records in California
Walter William Watson, M.D. 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
- Graduated1981 · median 2006 among the 4,868 with a school on file
- Record last updated2021 · 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).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Inglewood → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Anthony Calloway, M.D.Inglewood, CA 903011710930904
- Charmaine Cole, M.D.Inglewood, CA 903011588927412
- Pamela Davis, M.D.Inglewood, CA 903011689634974
- Julio Raya, M.D.Inglewood, CA 903011083652572
- Hector Tejeda, M.D.Inglewood, CA 903011538190772
- Shannon Bonness, M.D.Marina Del Rey, CA 902921568528990
- William F Foran, M.D.Marina Del Rey, CA 902921386668275
- Anish Garg, DOMarina Dl Rey, CA 902921689061988
Common questions
What is Walter William Watson, M.D.'s NPI number?
Walter William Watson, M.D.'s National Provider Identifier (NPI) is 1225066855, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter William Watson, M.D. located?
The NPPES record lists a practice address at 555 E Hardy St, Inglewood, CA, 90301. Phone: (310) 673-4660. Providers update this record themselves, so call before visiting.
How can I verify Walter William Watson, M.D.'s license?
NPPES lists California license number C41555, 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 Walter William Watson, M.D. prescribe under Medicare Part D?
In 2024, Walter William Watson, M.D. had 27 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.