Donald Richmond Bennett, M.D.
Emergency Medicine Physician · San Marcos, CA
Donald Richmond Bennett, M.D. is an emergency medicine physician with a practice address in San Marcos, California, and NPI 1558569533, issued on Jul 11, 2007. Check the license (California A 104991, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Richmond Bennett
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A 104991 CA
A104991 CA
77962 AZ
ME163974 FL
Self-reported in NPPES; status is on the state search - Practice location
- 310 S Twin Oaks Valley RD, San Marcos, CA 92078
- Phone
- (760) 705-7705
- Enumerated
- Jul 11, 2007
- Record last updated
- Nov 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20260601000969); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 310 S Twin Oaks Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Magnuson, PH.D. CCC-SLPSpeech-Language Pathologist1548665524
Verify Donald Richmond Bennett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 104991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average emergency medicine physician in 2024
360 Medicare Part D claims for 188 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Cefuroxime47 claims
- Morphine Sulfate26 claims
- Prochlorperazine Maleate26 claims
- Tizanidine Hcl26 claims
- Doxycycline Hyclate20 claims
- Diclofenac Sodium19 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): 43.5 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 2 group practices
- Cep America - CaliforniaBrawley, CA
- Cep America- Arizona, PCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Richmond Bennett among 7,751 emergency medicine physician records in California
Donald Richmond Bennett, 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 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 San Marcos → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christy Hendrickson, M.D.Solana Beach, CA 920751740545797
- Robert McWhirter, M.D.Solana Beach, CA 920751316234966
- John Baker, MDVista, CA 920831942219092
- Edwin Contreras, MDVista, CA 920831790340073
- Telesforo Molina, MDVista, CA 920831972527109
- Jennifer Avila, M.D.Santee, CA 920711437143088
- Odelia Braun, MDRancho Santa Fe, CA 920671902494313
- Peter Colaprete, MDRancho Santa Fe, CA 920671467496265
Common questions
What is Donald Richmond Bennett, M.D.'s NPI number?
Donald Richmond Bennett, M.D.'s National Provider Identifier (NPI) is 1558569533, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Donald Richmond Bennett, M.D. located?
The NPPES record lists a practice address at 310 S Twin Oaks Valley RD, San Marcos, CA, 92078. Phone: (760) 705-7705. Providers update this record themselves, so call before visiting.
How can I verify Donald Richmond Bennett, M.D.'s license?
NPPES lists California license number A 104991, 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 Donald Richmond Bennett, M.D. prescribe under Medicare Part D?
In 2024, Donald Richmond Bennett, M.D. had 360 Medicare Part D claims for 188 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Donald Richmond Bennett, M.D.'s MIPS final score?
The 2023 MIPS final score is 43.5 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.