Garen Derhartunian, M.D.
Internal Medicine Physician · Glendale, CA
Garen Derhartunian, M.D. is an internal medicine physician with a practice address in Glendale, California, and NPI 1609133776, issued on Apr 13, 2012. Check the license (California A134914, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Garen Derhartunian
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A134914 CA
Self-reported in NPPES; status is on the state search - Practice location
- 214 N Central Ave, Glendale, CA 91203
- Phone
- (818) 246-8000
- Enumerated
- Apr 13, 2012
- Record last updated
- Jan 22, 2024
- Fax
- (818) 696-2176
- Medicare enrollment
- Enrolled (PECOS I20160125002781); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 214 N Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andreh Carapiet, M.D.Internal Medicine Physician1649520909
- Gevorg Grigoryan, MDInternal Medicine Physician1366177933
- Emily JabourianPhysician Assistant1720799521
- Emin Janaslani, PHARMDPharmacist1770203408
- Shahryar Manavi, M.D.Specialist1922068360
- Ayda MekikianFamily Nurse Practitioner1679426357
Verify Garen Derhartunian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.6 times the Medicare Part D claims of the average internal medicine physician in 2024
17,739 Medicare Part D claims for 782 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 241 claims were for opioids.
Most prescribed
- Atorvastatin Calcium663 claims
- Amlodipine Besylate519 claims
- Rosuvastatin Calcium488 claims
- Metoprolol Succinate467 claims
- Pantoprazole Sodium460 claims
- Metformin Hcl417 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.
Industry payments in 2024: $374.57
7 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Concord Hospitalist Group A Medical CorporationGlendale, CA
- Elevate Health Group A Medical CorporationLa Canada, CA
- Elevate Hospitalist Group IncGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garen Derhartunian among 17,696 internal medicine physician records in California
Garen Derhartunian, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
92 internal medicine physician records list a practice address in Glendale
They are 92 of the 4,742 NPPES records with a practice address in Glendale, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Glendale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gaby Abdo, DOGlendale, CA 912031356457790
- Hamlet Baghoumian, M.D.Glendale, CA 912031134239353
- Feras Bashir, M.D.Glendale, CA 912031174936330
- Andreh Carapiet, M.D.Glendale, CA 912031649520909
- Jennifer Gutzmore, M.D.Glendale, CA 912031326468026
- Karo Isagholian, M.D.Glendale, CA 912031326078528
- Fred Javdan, M.D.Glendale, CA 912031669575106
- Garo Karakashian, M.D.Glendale, CA 912031063507028
Common questions
What is Garen Derhartunian, M.D.'s NPI number?
Garen Derhartunian, M.D.'s National Provider Identifier (NPI) is 1609133776, issued on Apr 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Garen Derhartunian, M.D. located?
The NPPES record lists a practice address at 214 N Central Ave, Glendale, CA, 91203. Phone: (818) 246-8000. Providers update this record themselves, so call before visiting.
How can I verify Garen Derhartunian, M.D.'s license?
NPPES lists California license number A134914, 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 Garen Derhartunian, M.D. prescribe under Medicare Part D?
In 2024, Garen Derhartunian, M.D. had 17,739 Medicare Part D claims for 782 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.