Karo Isagholian, M.D.
Internal Medicine Physician · Glendale, CA
Karo Isagholian, M.D. is an internal medicine physician with a practice address in Glendale, California, and NPI 1326078528, issued on Jul 3, 2006. Check the license (California A73825, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karo Isagholian
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A73825 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 N Pacific Ave, Glendale, CA 91203
- Phone
- (818) 244-8241
- Enumerated
- Jul 3, 2006
- Record last updated
- Aug 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 00A738250 CA
- Medicare enrollment
- Enrolled (PECOS I20051223000195); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 900 N Pacific Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arianna GomezFamily Nurse Practitioner1003750746
Verify Karo Isagholian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73825Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.5 times the Medicare Part D claims of the average internal medicine physician in 2024
20,623 Medicare Part D claims for 339 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 324 claims were for opioids.
Most prescribed
- Metoprolol Succinate765 claims
- Rosuvastatin Calcium671 claims
- Tamsulosin Hcl583 claims
- Atorvastatin Calcium562 claims
- Diclofenac Sodium484 claims
- Pantoprazole Sodium455 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 MIPS final score for 2023 (Medicare payment program): 86.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,038.21
97 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Karo Isagholian among 17,696 internal medicine physician records in California
Karo Isagholian, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 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
- Garen Derhartunian, M.D.Glendale, CA 912031609133776
- Jennifer Gutzmore, M.D.Glendale, CA 912031326468026
- Fred Javdan, M.D.Glendale, CA 912031669575106
- Garo Karakashian, M.D.Glendale, CA 912031063507028
Common questions
What is Karo Isagholian, M.D.'s NPI number?
Karo Isagholian, M.D.'s National Provider Identifier (NPI) is 1326078528, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karo Isagholian, M.D. located?
The NPPES record lists a practice address at 900 N Pacific Ave, Glendale, CA, 91203. Phone: (818) 244-8241. Providers update this record themselves, so call before visiting.
How can I verify Karo Isagholian, M.D.'s license?
NPPES lists California license number A73825, 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 Karo Isagholian, M.D. prescribe under Medicare Part D?
In 2024, Karo Isagholian, M.D. had 20,623 Medicare Part D claims for 339 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karo Isagholian, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.5 of 100. 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.