Richard Loren Watson, M.D., PH.D.
Pulmonary Disease Physician · Los Angeles, CA
Richard Loren Watson, M.D., PH.D. is a pulmonary disease physician with a practice address in Los Angeles, California, and NPI 1841677614, issued on Apr 30, 2015. Check the license (California A150391, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Loren Watson
- Credential
- M.D., PH.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A150391 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza Suite 365B, Los Angeles, CA 90095
- Phone
- (310) 825-7921
- Enumerated
- Apr 30, 2015
- Record last updated
- Jun 28, 2022
- Fax
- (310) 794-6553
- Medicare enrollment
- Enrolled (PECOS I20220524000367); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 200 Medical Plaza Suite 365B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Russell Buhr, MDPulmonary Disease Physician1295059749
- Ai Jin Lee, CNSClinical Nurse Specialist1083235931
- Ramin Salehirad, M.D.Pulmonary Disease Physician1720374135
Verify Richard Loren Watson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A150391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
348 Medicare Part D claims for 36 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Ofev63 claims
- Prednisone36 claims
- Trelegy Ellipta20 claims
- Omeprazole19 claims
- Fluticasone Propionate18 claims
- Gabapentin18 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): 86.1 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).
Industry payments in 2024: $189.65
2 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Loren Watson among 1,443 pulmonary disease physician records in California
Richard Loren Watson, M.D., PH.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2002 among the 1,061 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Los Angeles → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Nilo Arnaiz, MDLos Angeles, CA 900951386678498
- John Belperio, MDLos Angeles, CA 900951285659482
- Christopher Cooper, MDLos Angeles, CA 900951588680482
- Steven Dubinett, M.D.Los Angeles, CA 900951144255878
- Tomas Ganz, MDLos Angeles, CA 900951083639264
- Michael Keane, MDLos Angeles, CA 900951124047600
- Airie Kim, M.D.Los Angeles, CA 900951386662807
- Eric Kleerup, MDLos Angeles, CA 900951215956636
Common questions
What is Richard Loren Watson, M.D., PH.D.'s NPI number?
Richard Loren Watson, M.D., PH.D.'s National Provider Identifier (NPI) is 1841677614, issued on Apr 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Richard Loren Watson, M.D., PH.D. located?
The NPPES record lists a practice address at 200 Medical Plaza Suite 365B, Los Angeles, CA, 90095. Phone: (310) 825-7921. Providers update this record themselves, so call before visiting.
How can I verify Richard Loren Watson, M.D., PH.D.'s license?
NPPES lists California license number A150391, 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 Richard Loren Watson, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Richard Loren Watson, M.D., PH.D. had 348 Medicare Part D claims for 36 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Richard Loren Watson, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.