Robert Buster, M.D.
Geriatric Medicine (Internal Medicine) Physician · Orange, CA
Robert Buster, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Orange, California, and NPI 1841343076, issued on Jan 19, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Buster
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- Practice location
- 845 W LA Veta Ave Ste 108, Orange, CA 92868
- Phone
- (714) 639-2600
- Enumerated
- Jan 19, 2007
- Entity
- Type 1 · individual
Also registered at 845 W LA Veta Ave Ste 108
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anne Gonzales, MSN-FNPNurse Practitioner1942935705
- Christos Howard, MDFamily Medicine Physician1437140811
- Mahmoud Moammar, MDPulmonary Disease Physician1952500696
- Kasra Morshedizadeh, M.D.Hospitalist Physician1528078672
Verify Robert Buster 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
100% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
21 Medicare Part D claims, against an average of 4,420 among the 2,888 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 498 geriatric medicine (internal medicine) physician records in California.
Other geriatric medicine (internal medicine) physician records in California
- Adil Abbasi, M.D.La Jolla, CA1548261316
- Shashidar Acharya, M.D.Orange, CA1770685521
- Pouya Afshar, M.D.San Diego, CA1184958977
- Parag Agnihotri, M.D.San Diego, CA1447351085
- Andreas Ahlas, M.D.Bakersfield, CA1326200833
- Waseem Ahmed, MDSanta Rosa, CA1386803559
- Paul AisenSan Diego, CA1669470753
- Mahmuda Alam, M.D.Glendale, CA1568659985
- Francis Allinson, MDLa Jolla, CA1679062707
- Anna Almonte, M.D., D.O.Sacramento, CA1104970946
Common questions
What is Robert Buster, M.D.'s NPI number?
Robert Buster, M.D.'s National Provider Identifier (NPI) is 1841343076, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Buster, M.D. located?
The NPPES record lists a practice address at 845 W LA Veta Ave Ste 108, Orange, CA, 92868. Phone: (714) 639-2600. Providers update this record themselves, so call before visiting.
How can I verify Robert Buster, 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 Robert Buster, M.D. prescribe under Medicare Part D?
In 2024, Robert Buster, M.D. had 21 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,420. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.