Robert Ryan Holmes, MD
Hospitalist Physician · San Diego, CA
Robert Ryan Holmes, MD is a hospitalist physician with a practice address in San Diego, California, and NPI 1962493841, issued on Oct 31, 2005. Check the license (California C152909, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Ryan Holmes
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- C152909 CA
M3262 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2929 Health Center Dr, San Diego, CA 92123
- Phone
- (858) 499-2616
- Enumerated
- Oct 31, 2005
- Record last updated
- Apr 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180425002395); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2002
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
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Verify Robert Ryan Holmes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C152909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average hospitalist physician in 2024
342 Medicare Part D claims for 185 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Pantoprazole Sodium24 claims
- Cefuroxime22 claims
- Amoxicillin-Clavulanate Potass18 claims
- Amlodipine Besylate17 claims
- Metoprolol Succinate16 claims
- Furosemide15 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): 73.6 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
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Ryan Holmes among 3,099 hospitalist physician records in California
Robert Ryan Holmes, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2002 · median 2010 among the 2,505 with a school on file
- Record last updated2018 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Diego → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Kalpana Chalasani, M.D.San Diego, CA 921231467560920
- Trung Dang, M.D.San Diego, CA 921231275543670
- Brent Drouin, M.D.San Diego, CA 921231356351555
- Yevgeniy Grobman, MDSan Diego, CA 921231295050243
- Arturo Lara Llerena, MDSan Diego, CA 921231538501721
- Brian Lichtenstein, M.D.San Diego, CA 921231205142908
- Ton Ngo, MDSan Diego, CA 921231427007988
- Shyam Patel, D.O.San Diego, CA 921231700184157
Common questions
What is Robert Ryan Holmes, MD's NPI number?
Robert Ryan Holmes, MD's National Provider Identifier (NPI) is 1962493841, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Ryan Holmes, MD located?
The NPPES record lists a practice address at 2929 Health Center Dr, San Diego, CA, 92123. Phone: (858) 499-2616. Providers update this record themselves, so call before visiting.
How can I verify Robert Ryan Holmes, MD's license?
NPPES lists California license number C152909, 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 Robert Ryan Holmes, MD prescribe under Medicare Part D?
In 2024, Robert Ryan Holmes, MD had 342 Medicare Part D claims for 185 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Robert Ryan Holmes, MD's MIPS final score?
The 2023 MIPS final score is 73.6 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.