Ryan Rees, MD
Emergency Medicine Physician · Camp Pendleton, CA
Ryan Rees, MD is an emergency medicine physician with a practice address in Camp Pendleton, California, and NPI 1902466121, issued on Jun 19, 2019. Check the license (California A187319, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Rees
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A187319 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Mercy Circle, Camp Pendleton, CA 92055
- Phone
- (314) 747-4156
- Enumerated
- Jun 19, 2019
- Record last updated
- Dec 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20240528001445); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2019
- Entity
- Type 1 · individual
Also registered at 200 Mercy Circle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Alba, PA-CMedical Physician Assistant1497955579
- Alice-Anne Alcorn, DDS, MSDDentist1245526540
- Abigail Axel, MDFamily Medicine Physician1215465562
- Michael Barry, DOEmergency Medicine Physician1659343309
- Michael Baxter, M.D., MSCOtolaryngology Physician1972863884
- Margaret Bayard, MDFamily Medicine Physician1477589331
Verify Ryan Rees in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average emergency medicine physician in 2024
107 Medicare Part D claims for 63 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Ondansetron Hcl11 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): 89.6 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).
Bills Medicare through one group practice
- EM Alliance California ApcWildomar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 emergency medicine physician records list a practice address in Camp Pendleton
They are 19 of the 695 NPPES records with a practice address in Camp Pendleton, and 7,751 emergency medicine physician records in California.
All 19 in Camp Pendleton → All 7,751 in California → Every provider in Camp Pendleton →
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Ryan Rees, MD's NPI number?
Ryan Rees, MD's National Provider Identifier (NPI) is 1902466121, issued on Jun 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Rees, MD located?
The NPPES record lists a practice address at 200 Mercy Circle, Camp Pendleton, CA, 92055. Phone: (314) 747-4156. Providers update this record themselves, so call before visiting.
How can I verify Ryan Rees, MD's license?
NPPES lists California license number A187319, 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 Ryan Rees, MD prescribe under Medicare Part D?
In 2024, Ryan Rees, MD had 107 Medicare Part D claims for 63 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ryan Rees, MD's MIPS final score?
The 2023 MIPS final score is 89.6 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.