Haig Hovan Aharonian, M.D.
Internal Medicine Physician · Los Angeles, CA
Haig Hovan Aharonian, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1205107653, issued on Jan 17, 2012. Check the license (California A124502, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Haig Hovan Aharonian
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A124502 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 442-5100
- Enumerated
- Jan 17, 2012
- Record last updated
- Oct 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20140506001645); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2011
- Entity
- Type 1 · individual
Also registered at 1520 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Acosta, PHDPsychologist1750313490
- Gbemisola Adenuga, M.D.Nephrology Physician1952464661
- Aimee Aguillon, OTR/L, CHTOccupational Therapist1972677318
- Jamshid Ahmadi, M.D.Neuroradiology Physician1942252028
- Mohammad Akmal, M.D.Nephrology Physician1356378087
- Ikhlas Akra, M.D.Psychiatry Physician1992741979
Verify Haig Hovan Aharonian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,707 Medicare Part D claims for 741 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Amlodipine Besylate76 claims
- Albuterol Sulfate Hfa65 claims
- Atorvastatin Calcium64 claims
- Amoxicillin-Clavulanate Potass62 claims
- Azithromycin59 claims
- Gabapentin50 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 1,423 in Los Angeles → All 17,696 in California → Every provider in Los Angeles →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Haig Hovan Aharonian, M.D.'s NPI number?
Haig Hovan Aharonian, M.D.'s National Provider Identifier (NPI) is 1205107653, issued on Jan 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Haig Hovan Aharonian, M.D. located?
The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-5100. Providers update this record themselves, so call before visiting.
How can I verify Haig Hovan Aharonian, M.D.'s license?
NPPES lists California license number A124502, 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 Haig Hovan Aharonian, M.D. prescribe under Medicare Part D?
In 2024, Haig Hovan Aharonian, M.D. had 1,707 Medicare Part D claims for 741 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.