David L. Watson, M.D.
Emergency Medicine Physician · Placentia, CA
David L. Watson, M.D. is an emergency medicine physician with a practice address in Placentia, California, and NPI 1861572679, issued on Oct 16, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David L. Watson
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 8273 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1301 N Rose Dr, Placentia, CA 92870
- Phone
- (714) 993-2000
- Enumerated
- Oct 16, 2006
- Record last updated
- Sep 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid IDs
- 2002639 NV
1861572679 CA - Medicare enrollment
- Enrolled (PECOS I20080520000830); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1301 N Rose Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raymond Alzate, BSN, RN, CNOR, RNFARegistered Nurse First Assistant1366327892
- Stefana AronRegistered Nurse First Assistant1447531546
- Melodee AsheRegistered Nurse First Assistant1255529889
- Denita Au, P.T.Physical Therapist1619189008
- Roxanne Beaudette, RNFARegistered Nurse First Assistant1922156413
- Thao Do, D.O.Emergency Medicine Physician1073861712
Verify David L. Watson 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
56% more Medicare Part D claims than the average emergency medicine physician in 2024
352 Medicare Part D claims for 218 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 20 claims were for opioids.
Most prescribed
- Prednisone38 claims
- Ondansetron Odt24 claims
- Naproxen22 claims
- Amoxicillin-Clavulanate Potass21 claims
- Cefdinir21 claims
- Cyclobenzaprine Hcl20 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lola Emergency Physicians LLCPahrump, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David L. Watson among 7,751 emergency medicine physician records in California
David L. Watson, 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 fileYes · 59% of these records are
- Graduated1994 · median 2011 among the 4,560 with a school on file
- Record last updated2009 · 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).
10 emergency medicine physician records list a practice address in Placentia
They are 10 of the 1,002 NPPES records with a practice address in Placentia, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Placentia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thao Do, D.O.Placentia, CA 928701073861712
- Brian Doyle, M.D.Placentia, CA 928701710952346
- Darren Hom, MDPlacentia, CA 928701861438947
- Bryan Hoynak, MDPlacentia, CA 928701316989130
- Eugene Kim, M.D.Placentia, CA 928701265469977
- Paulina Mendoza-Mancini, DOPlacentia, CA 928701255595054
- Eric Quimbo, D.O.Placentia, CA 928701326183344
- Kristin Rodriguez, DOPlacentia, CA 928701205880598
Common questions
What is David L. Watson, M.D.'s NPI number?
David L. Watson, M.D.'s National Provider Identifier (NPI) is 1861572679, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David L. Watson, M.D. located?
The NPPES record lists a practice address at 1301 N Rose Dr, Placentia, CA, 92870. Phone: (714) 993-2000. Providers update this record themselves, so call before visiting.
How can I verify David L. Watson, 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 David L. Watson, M.D. prescribe under Medicare Part D?
In 2024, David L. Watson, M.D. had 352 Medicare Part D claims for 218 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is David L. Watson, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.