Doctor profile · Federal record

Dr. Garen Derhartunian, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Glendale, CA

  • NPI 1609133776
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
214 N Central Ave
Glendale, CA 912033556
(818) 246-8000
fax (818) 696-2176

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
January 22, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A134914

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609133776. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,862
Distinct HCPCS
10
Medicare allowed
$572,994
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 864 353 $141
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 770 61 $44
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 608 216 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 506 221 $83
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 469 66 $54
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 421 63 $59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 418 383 $182
36415 Insertion of needle into vein for collection of blood sample 384 243 $8
99239 Hospital discharge day management, more than 30 minutes 351 331 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 211 206 $136

In context: peer comparison

Among 20 peers in this city , average services per provider: 235. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$375
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ABIOMED 1 $144.05
Edwards Lifesciences Corporation 1 $123.41
IRONWOOD PHARMACEUTICALS, INC 2 $47.56
Janssen Pharmaceuticals, Inc 2 $44.41
ABBVIE INC. 1 $15.14

By nature of payment

Food and Beverage
$375

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,833
Patients
1,028
Total drug cost
$289,166
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 628 134 $7,635
Amlodipine Besylate Generic 431 97 $4,634
Rosuvastatin Calcium Generic 412 74 $11,962
Pantoprazole Sodium Generic 405 108 $9,432
Metoprolol Succinate Generic 348 81 $5,738
Tamsulosin Hcl Generic 332 68 $5,068
Levothyroxine Sodium Generic 331 65 $5,750
Gabapentin Generic 304 62 $5,894
Metformin Hcl Generic 300 55 $3,483
Olmesartan Medoxomil Generic 284 59 $8,773

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Garen Derhartunian's medical specialty?
Dr. Garen Derhartunian practices Internal Medicine Physician in Glendale, CA.
Where does Dr. Garen Derhartunian practice?
Dr. Garen Derhartunian practices at 214 N Central Ave, Glendale, CA 912033556. Office phone: 8182468000.
What is Dr. Garen Derhartunian's NPI?
Dr. Garen Derhartunian's National Provider Identifier (NPI) is 1609133776, issued by NPPES.
Does Dr. Garen Derhartunian accept Medicare assignment?
Yes. Dr. Garen Derhartunian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garen Derhartunian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.