Dr. Garen Derhartunian, MD
- Medicare services, 2024
- 6,502
- Medicare patients, 2024
- 1,316
- Part D claims, 2024
- 17,739
- Hospital affiliations
- 5
- Industry payments
- $5,104
- Practice address
- 150 Bellefontaine St, Pasadena, CA 91105
- Practice phone
- Call (818) 246-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elevate Health Group a Medical Corporation
Pasadena, California
Find Dr. Derhartunian's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Garen Derhartunian is an internist in Pasadena, California
Dr. Derhartunian practices at Elevate Health Group a Medical Corporation in Pasadena, California.
Dr. Derhartunian's NPI, 1609133776, was assigned on April 13, 2012. Dr. Derhartunian graduated from Ross University School of Medicine in 2012. Dr. Derhartunian holds California license A134914.
- NPI
- 1609133776NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567764830
- NPI enumeration date
- April 13, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 246-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garen Derhartunian practices at Elevate Health Group a Medical Corporation in Pasadena, California
Dr. Derhartunian's primary practice is Elevate Health Group a Medical Corporation, at 150 Bellefontaine St, Pasadena, CA 91105 in Los Angeles County. The practice phone is (818) 246-8000.
- Elevate Health Group a Medical Corporation150 Bellefontaine St, Pasadena, CA 91105 · Los Angeles CountyPhone(818) 246-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Garen Derhartunian is affiliated with 20 sites of care and 4 medical groups
Dr. Derhartunian's primary practice is Elevate Health Group a Medical Corporation in Pasadena, California. Dr. Derhartunian is also affiliated with Cedars-Sinai Medical Center. The medical group on file is Axon Neurology. Dmand AI also links Dr. Derhartunian to 4 more hospitals, 5 home health agencies, 5 skilled nursing facilities, 3 group practices and clinics, 3 medical groups and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Garen Derhartunian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Derhartunian practices, 19 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elevate Health Group a Medical Corporation | Available with a free account |
| +19 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Garen Derhartunian is one of 16,751 internists in California
Internal medicine is Dr. Derhartunian's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Derhartunian is board certified in internal medicine by the American Board of Internal Medicine. Dr. Derhartunian is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute diabetes, acute gastroduodenitis, acute mini-stroke (TIA), acute respiratory failure, acute sinusitis, acute skin infection and adjustment disease among the conditions Dr. Derhartunian treats.
Internists near Dr. Derhartunian
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Garen Derhartunian billed Medicare for 6,502 services in 2024
CMS data shows 6,502 Medicare services from Dr. Derhartunian across 33 procedure codes in 2024, for 1,316 Medicare patients. Medicare paid $453,999 for them.
Dr. Derhartunian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5,2252024: 5,1691%
- Other services
- 2023: 1802024: 823357%
- Surgery
- 2023: 3842024: 28027%
- Tests and treatments
- 2023: 532024: 121128%
- Imaging
- 2023: 202024: 109445%
Where Dr. Derhartunian's Medicare services took place, 2024
- In an office4,16764%
- In a facility2,33536%
Dr. Derhartunian compared with the California median for internists, 2024
- Dr. Derhartunian
- California median
- Medicare services
- 6,502vs 36118.0 times
- Medicare patients
- 1,316vs 1518.7 times
- Part D claims
- 16,902vs 42140.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Derhartunian's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Derhartunian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Derhartunian and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Garen Derhartunian treated 1,316 Medicare patients in 2024, average age 75
CMS counts 1,316 Medicare patients who saw Dr. Derhartunian in 2024. The largest group is 65 to 74, with 508 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 62% are also on Medicaid. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Derhartunian's median patient age at 43, with 55% women.
Dr. Derhartunian's Medicare patients by age, 2024
Dr. Derhartunian's Medicare patients by sex, 2024
- Women66851%
- Men64849%
Chronic conditions among Dr. Derhartunian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Ischemic heart disease54%
- Diabetes52%
- Chronic kidney disease45%
- Mood disorders43%
- Heart failure40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Derhartunian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Garen Derhartunian wrote 17,739 Medicare Part D claims in 2024
In 2024, Dr. Derhartunian wrote 17,739 Medicare Part D claims for 782 patients. 81% of them were for generic drugs. CMS names the drug for 16,902 of them, across 231 drugs with 11 or more claims each, at $2,128,519 in total drug cost. In 2023, CMS named 13,544 claims across 206 drugs.
Dr. Derhartunian's Part D claims by kind of drug, 2024
- Generic14,286 claims81%
- Brand-name3,224 claims18%
- Other229 claims1%
Dr. Derhartunian's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Derhartunian's Part D claims, 2024
- Opioids1%241 of 17,739 claims
- Antibiotics2%348 of 17,739 claims
- Antipsychotics, patients 65 and over1%98 of 17,739 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 13,5442024: 16,90225%
Drugs named by CMS: 231 in 2024, 206 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Garen Derhartunian offers telehealth to Medicare patients
Dr. Derhartunian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Derhartunian as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Garen Derhartunian received $5,104 in industry payments from 2016 to 2025
CMS Open Payments shows 84 general payments to Dr. Derhartunian from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $1,184.
General payments to Dr. Derhartunian by program year, 2016 to 2025
Companies that paid Dr. Derhartunian the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Garen Derhartunian graduated from Ross University School of Medicine
Dr. Derhartunian graduated from Ross University School of Medicine in 2012.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Garen Derhartunian accepts plans from 13 insurance carriers
Dr. Derhartunian is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Derhartunian accepts, by number of carriers
- PPO9
- Medicare8
- HMO5
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Garen Derhartunian's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Garen Derhartunian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Garen Derhartunian's NPI number?
Dr. Garen Derhartunian's NPI number is 1609133776. It was assigned on April 13, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Garen Derhartunian?
Dr. Garen Derhartunian is an internist in Pasadena, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Garen Derhartunian practice?
Dr. Derhartunian practices at 150 Bellefontaine St, Pasadena, CA 91105. Dr. Derhartunian's primary practice is Elevate Health Group a Medical Corporation in Pasadena, California. Dmand AI also links Dr. Derhartunian to 4 hospitals, 5 home health agencies, 5 skilled nursing facilities, 3 group practices and clinics, 3 medical groups and 1 hospice.
What is Dr. Garen Derhartunian's office phone number?
The practice phone on file for Dr. Derhartunian is (818) 246-8000.
What is Dr. Garen Derhartunian's medical license number?
Dr. Derhartunian holds California license A134914.
Which hospitals is Dr. Garen Derhartunian affiliated with?
Dr. Derhartunian is affiliated with Cedars-Sinai Medical Center. Dmand AI links Dr. Derhartunian to 4 more hospitals.
What medical group is Dr. Garen Derhartunian part of?
Dr. Derhartunian is linked to Axon Neurology. Dmand AI links Dr. Derhartunian to 3 more medical groups.
Does Dr. Garen Derhartunian accept Medicare?
Yes. CMS data shows Dr. Derhartunian billed Medicare for 6,502 services in 2024, and Dr. Derhartunian accepts Medicare assignment.
Does Dr. Garen Derhartunian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Derhartunian as offering telehealth services.
How many Medicare patients does Dr. Garen Derhartunian see?
CMS counts 1,316 Medicare patients who saw Dr. Derhartunian in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Garen Derhartunian board certified?
Yes. Dr. Derhartunian is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Garen Derhartunian bill to Medicare?
In 2024, Dr. Derhartunian's most billed Medicare services were office visit, established patient (99214), care management and other visits (99458) and hospital inpatient care (99232).
Where did Dr. Garen Derhartunian go to medical school?
Dr. Derhartunian graduated from Ross University School of Medicine in 2012.
What drugs does Dr. Garen Derhartunian prescribe most?
In 2024 Medicare Part D data, Dr. Derhartunian's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Garen Derhartunian received payments from drug or device companies?
CMS Open Payments shows $5,104 in general payments to Dr. Derhartunian from 22 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Garen Derhartunian been practicing?
Dr. Derhartunian graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Garen Derhartunian accept?
Dr. Derhartunian is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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