Arbis Rojas, MD
Geriatric Medicine (Internal Medicine) Physician · Pasadena, CA
Arbis Rojas, MD is a geriatric medicine (internal medicine) physician with a practice address in Pasadena, California, and NPI 1235460510, issued on Jan 26, 2010. Check the license (California A114775, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arbis Rojas
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A114775 CA
Self-reported in NPPES; status is on the state search - Practice location
- 950 S Arroyo Pkwy FL 3, Pasadena, CA 91105
- Phone
- (626) 584-1919
- Enumerated
- Jan 26, 2010
- Record last updated
- Mar 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (626) 228-0695
- Medicare enrollment
- Enrolled (PECOS I20120731000511); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 950 S Arroyo Pkwy FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wes Powell, MDSurgery Physician1861441925
Verify Arbis Rojas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024
9,789 Medicare Part D claims for 398 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 215 claims were for opioids.
Most prescribed
- Atorvastatin Calcium435 claims
- Levothyroxine Sodium357 claims
- Eliquis343 claims
- Sertraline Hcl258 claims
- Pantoprazole Sodium252 claims
- Rosuvastatin Calcium250 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.
Arbis Rojas among 532 geriatric medicine (internal medicine) physician records in California
Arbis Rojas, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 71% of them.
- NPI issued2010 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2009 · median 1999 among the 271 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Pasadena → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Linda Aoyama, M.D.Pasadena, CA 911051760458533
- Norman Chien, MDPasadena, CA 911051184696999
- Steven Doan, M.D.Pasadena, CA 911051366516478
- Theresa WongPasadena, CA 911051215469176
- Stephen Henry, M.D.Pasadena, CA 911041811925183
- Paul Liu, M.D.San Marino, CA 911081730195686
- Jennifer Li, MDPasadena, CA 911881457844839
- Wesley Woo, M.D.La Canada, CA 910111629271879
Common questions
What is Arbis Rojas, MD's NPI number?
Arbis Rojas, MD's National Provider Identifier (NPI) is 1235460510, issued on Jan 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Arbis Rojas, MD located?
The NPPES record lists a practice address at 950 S Arroyo Pkwy FL 3, Pasadena, CA, 91105. Phone: (626) 584-1919. Providers update this record themselves, so call before visiting.
How can I verify Arbis Rojas, MD's license?
NPPES lists California license number A114775, 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 Arbis Rojas, MD prescribe under Medicare Part D?
In 2024, Arbis Rojas, MD had 9,789 Medicare Part D claims for 398 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
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.