Hari Avedissian

  • Glendale, CA
  • Anesthesiologist
NPI1780117523PAC ID9638448616
Medicare services, 2024
259
Medicare patients, 2024
302
Hospital affiliations
2
Industry payments
$577
Medical group
1
Practice address
1420 S Central Ave, Glendale, CA 91204
Practice phone
Call (818) 502-1900
Professional email
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Personal email
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Mobile number
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Social profiles

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Hari Avedissian is an anesthesiologist in Glendale, California

Hari Avedissian practices at Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California, part of CommonSpirit Health.

Hari Avedissian's NPI, 1780117523, was assigned on April 8, 2017. Hari Avedissian graduated from Arizona College of Osteopathic Medicine - Glendale in 2017. Hari Avedissian holds California license 20A18986.

NPI and contact details
Medicare PAC ID
9638448616
NPI enumeration date
April 8, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 502-1900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Hari Avedissian practices at Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California

Hari Avedissian's primary practice is Dignity Health - Glendale Memorial Hospital and Health Center, at 1420 S Central Ave, Glendale, CA 91204 in Los Angeles County. The practice phone is (818) 502-1900.

Source: Dmand AI Affiliation Data

Hari Avedissian is affiliated with 2 sites of care and 1 medical group

Hari Avedissian's primary practice is Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California, part of CommonSpirit Health. The medical group on file is Orange Coast Anesthesia. Dmand AI also links Hari Avedissian to 1 more hospital, named with a free account.

See all 3 affiliations for Hari Avedissian

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Hari Avedissian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Hari Avedissian practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health - Glendale Memorial Hospital and Health CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Hari Avedissian is one of 6,593 anesthesiologists in California

Anesthesiology is Hari Avedissian's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Hari Avedissian is board certified in anesthesiology by the American Board of Anesthesiology. Hari Avedissian is licensed in California.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense 20A18986 · taxonomy 207L00000X

Anesthesiologists near Hari Avedissian

Counts of anesthesiologists 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

Hari Avedissian billed Medicare for 259 services in 2024

CMS data shows 259 Medicare services from Hari Avedissian across 7 procedure codes in 2024, for 302 Medicare patients. Medicare paid $29,571 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024259
Medicare patients302
Paid by Medicare$29,571
Procedure codes7

Hari Avedissian's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Anesthesia
2023: 1902024: 24629%
Imaging
2023: 342024: 1362%
Surgery
2023: 152024: 0100%

Hari Avedissian compared with the California median for anesthesiologists, 2024

  • Hari Avedissian
  • California median
Medicare services
259vs 723.6 times
Medicare patients
302vs 1432.1 times

Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.

Hari Avedissian'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.

See all procedures by Hari Avedissian

Need commercial claims for Hari Avedissian?

Medicare shows one payer. Book a meeting to get commercial claims data for Hari Avedissian and other anesthesiologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Hari Avedissian treated 302 Medicare patients in 2024, average age 74

CMS counts 302 Medicare patients who saw Hari Avedissian in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 80% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Hari Avedissian's median patient age at 50, with 70% women.

Medicare patients, 2024302
Average age74
Average risk score2.12
Also on Medicaid80%

Hari Avedissian's Medicare patients by age, 2024

Hari Avedissian's Medicare patients by sex, 2024

  • Women15852%
  • Men14448%

Chronic conditions among Hari Avedissian's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis68%
  4. Diabetes64%
  5. Ischemic heart disease51%
  6. Mood disorders44%
  7. Depression42%
  8. Anxiety35%

Share of Medicare patients with each condition. A patient can have several.

Hari Avedissian's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women70%
  • Men30%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Hari Avedissian takes part in Medicare

Hari Avedissian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Hari Avedissian received $577 in industry payments from 2021 to 2025

CMS Open Payments shows 19 general payments to Hari Avedissian from 2 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 96% of the total. Baxter Healthcare paid the most, $300.

General payments to Hari Avedissian by program year, 2021 to 2025

General payments to Hari Avedissian by kind, 2021 to 2025

$577in total
  • Food and beverage$55196%
  • Education$264%

Companies that paid Hari Avedissian the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Hari Avedissian

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Hari Avedissian graduated from Arizona College of Osteopathic Medicine - Glendale

Hari Avedissian graduated from Arizona College of Osteopathic Medicine - Glendale in 2017.

  1. Medical schoolArizona College of Osteopathic Medicine - Glendale
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in 2021 - 2026CA State License
  4. Board certified in 2017 - 2021WA State License

Source: Dmand AI Professional Profile Data

Hari Avedissian accepts plans from 1 insurance carrier

Hari Avedissian is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Hari Avedissian's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Hari Avedissian

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Hari Avedissian's NPI number?

Hari Avedissian's NPI number is 1780117523. It was assigned on April 8, 2017, and it is active in the NPI Registry.

What does Hari Avedissian specialize in?

Hari Avedissian is an anesthesiologist in Glendale, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Hari Avedissian practice?

Hari Avedissian practices at 1420 S Central Ave, Glendale, CA 91204. Hari Avedissian's primary practice is Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California, part of CommonSpirit Health. Dmand AI also links Hari Avedissian to 1 hospital.

What is Hari Avedissian's office phone number?

The practice phone on file for Hari Avedissian is (818) 502-1900.

What is Hari Avedissian's medical license number?

Hari Avedissian holds California license 20A18986.

Which hospitals is Hari Avedissian affiliated with?

Hari Avedissian practices at Dignity Health - Glendale Memorial Hospital and Health Center in Glendale, California. Dmand AI links Hari Avedissian to 1 more hospital.

What medical group is Hari Avedissian part of?

Hari Avedissian is linked to Orange Coast Anesthesia.

Does Hari Avedissian accept Medicare?

Yes. CMS data shows Hari Avedissian billed Medicare for 259 services in 2024, and Hari Avedissian accepts Medicare assignment.

How many Medicare patients does Hari Avedissian see?

CMS counts 302 Medicare patients who saw Hari Avedissian in 2024, with an average age of 74.

Is Hari Avedissian board certified?

Yes. Hari Avedissian is board certified in anesthesiology by the American Board of Anesthesiology.

Show 5 more questionsShow fewer questions

What services does Hari Avedissian bill to Medicare?

In 2024, Hari Avedissian's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00813).

Where did Hari Avedissian go to medical school?

Hari Avedissian graduated from Arizona College of Osteopathic Medicine - Glendale in 2017.

Has Hari Avedissian received payments from drug or device companies?

CMS Open Payments shows $577 in general payments to Hari Avedissian from 2 companies from 2021 to 2025. The largest total came from Baxter Healthcare.

How long has Hari Avedissian been practicing?

Hari Avedissian graduated from medical school in 2017, 9 years ago.

What insurance does Hari Avedissian accept?

Hari Avedissian is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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