Dr. Meri Antossyan, DO
- Medicare services, 2024
- 363
- Medicare patients, 2024
- 162
- Part D claims, 2024
- 702
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Practice address
- 1509 E Wilson Terrace, Glendale, CA 91206
- Practice phone
- Call (818) 409-8202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Antossyan'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. Meri Antossyan is a family medicine physician in Glendale, California
Dr. Antossyan practices at Adventist Health Glendale in Glendale, California, part of Adventist Health.
Dr. Antossyan's NPI, 1457738460, was assigned on April 28, 2015. Dr. Antossyan holds California license 20A13819.
- NPI
- 1457738460NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082902192
- NPI enumeration date
- April 28, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 409-8202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Meri Antossyan practices at Adventist Health Glendale in Glendale, California
Dr. Antossyan's primary practice is Adventist Health Glendale, at 1509 E Wilson Terrace, Glendale, CA 91206 in Los Angeles County. The practice phone is (818) 409-8202.
- Adventist Health Glendale1509 E Wilson Terrace, Glendale, CA 91206 · Los Angeles CountyPhone(818) 409-8202
Source: Dmand AI Affiliation Data
Dr. Meri Antossyan is affiliated with 4 sites of care and 3 medical groups
Dr. Antossyan's primary practice is Adventist Health Glendale in Glendale, California, part of Adventist Health. The medical group on file is Adventist Health Physicians Network. Dmand AI also links Dr. Antossyan to 2 more group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Meri Antossyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Antossyan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Glendale | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Meri Antossyan is one of 15,680 family medicine physicians in California
Family medicine is Dr. Antossyan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Antossyan is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Antossyan
Counts of family medicine physicians 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. Meri Antossyan billed Medicare for 363 services in 2024
CMS data shows 363 Medicare services from Dr. Antossyan across 8 procedure codes in 2024, for 162 Medicare patients. Medicare paid $31,308 for them.
Dr. Antossyan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4172024: 31724%
- Other services
- 2023: 142024: 46229%
Where Dr. Antossyan's Medicare services took place, 2024
- In an office20456%
- In a facility15944%
Dr. Antossyan compared with the California median for family medicine physicians, 2024
- Dr. Antossyan
- California median
- Medicare services
- 363vs 24648% above
- Medicare patients
- 162vs 11837% above
- Part D claims
- 509vs 83339% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Antossyan'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Meri Antossyan treated 162 Medicare patients in 2024, average age 74
CMS counts 162 Medicare patients who saw Dr. Antossyan in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 1.94, 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. Antossyan's median patient age at 50, with 61% women.
Dr. Antossyan's Medicare patients by age, 2024
Dr. Antossyan's Medicare patients by sex, 2024
- Women10364%
- Men5936%
Chronic conditions among Dr. Antossyan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders46%
- Diabetes44%
- Depression42%
- Ischemic heart disease41%
- Chronic kidney disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Antossyan'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
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Meri Antossyan wrote 702 Medicare Part D claims in 2024
In 2024, Dr. Antossyan wrote 702 Medicare Part D claims for 32 patients. 82% of them were for generic drugs. CMS names the drug for 509 of them, across 29 drugs with 11 or more claims each, at $15,460 in total drug cost. In 2023, CMS named 1,045 claims across 36 drugs.
Dr. Antossyan's Part D claims by kind of drug, 2024
- Generic577 claims82%
- Brand-name111 claims16%
- Other14 claims2%
Dr. Antossyan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0452024: 50951%
Drugs named by CMS: 29 in 2024, 36 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. Meri Antossyan scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Antossyan for performance year 2024, reported through an alternative payment model (APM). Dr. Antossyan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Antossyan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Antossyan's MIPS scores, performance year 2024
- 96of 100Final score
- 81.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Meri Antossyan received $1,189 in industry payments from 2016 to 2025
CMS Open Payments shows 32 general payments to Dr. Antossyan from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $364.
General payments to Dr. Antossyan by program year, 2016 to 2025
Companies that paid Dr. Antossyan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Meri Antossyan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Meri Antossyan
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. Meri Antossyan's NPI number?
Dr. Meri Antossyan's NPI number is 1457738460. It was assigned on April 28, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Meri Antossyan?
Dr. Meri Antossyan is a family medicine physician in Glendale, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Meri Antossyan practice?
Dr. Antossyan practices at 1509 E Wilson Terrace, Glendale, CA 91206. Dr. Antossyan's primary practice is Adventist Health Glendale in Glendale, California, part of Adventist Health. Dmand AI also links Dr. Antossyan to 2 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Meri Antossyan's office phone number?
The practice phone on file for Dr. Antossyan is (818) 409-8202.
What is Dr. Meri Antossyan's medical license number?
Dr. Antossyan holds California license 20A13819.
Which hospitals is Dr. Meri Antossyan affiliated with?
Dr. Antossyan practices at Adventist Health Glendale in Glendale, California.
What medical group is Dr. Meri Antossyan part of?
Dr. Antossyan is linked to Adventist Health Physicians Network. Dmand AI links Dr. Antossyan to 2 more medical groups.
Does Dr. Meri Antossyan accept Medicare?
Yes. CMS data shows Dr. Antossyan billed Medicare for 363 services in 2024, and Dr. Antossyan accepts Medicare assignment.
Does Dr. Meri Antossyan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Antossyan as offering telehealth services.
What is Dr. Meri Antossyan's MIPS score?
Dr. Antossyan's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Meri Antossyan see?
CMS counts 162 Medicare patients who saw Dr. Antossyan in 2024, with an average age of 74.
What services does Dr. Meri Antossyan bill to Medicare?
In 2024, Dr. Antossyan's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99233) and office visit, established patient (99214).
What drugs does Dr. Meri Antossyan prescribe most?
In 2024 Medicare Part D data, Dr. Antossyan's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Amlodipine Besylate.
Has Dr. Meri Antossyan received payments from drug or device companies?
CMS Open Payments shows $1,189 in general payments to Dr. Antossyan from 13 companies from 2016 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dr. Meri Antossyan been practicing?
Dr. Antossyan graduated from medical school in 2013, 13 years ago.
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