Anthony Karapetians

  • Simi Valley, CA
  • Internist
NPI1144757030PAC ID7517399496
Medicare services, 2024
992
Medicare patients, 2024
323
Part D claims, 2024
582
Publications
1
Hospital affiliations
4
Practice address
2975 N Sycamore Dr, Simi Valley, CA 93065
Practice phone
Call (805) 955-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Adventist Health Simi Valley

Hospital · Simi Valley, California

See all 15 affiliations

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Anthony Karapetians is an internist in Simi Valley, California

Anthony Karapetians practices at Adventist Health Simi Valley in Simi Valley, California, part of Adventist Health.

Anthony Karapetians' NPI, 1144757030, was assigned on May 22, 2017. Anthony Karapetians graduated from American University of the Caribbean School of Medicine in 2016. Anthony Karapetians' California license number on file is A164315.

NPI and contact details
Medicare PAC ID
7517399496
NPI enumeration date
May 22, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 955-6000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2016

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

Anthony Karapetians practices at Adventist Health Simi Valley in Simi Valley, California

Anthony Karapetians' primary practice is Adventist Health Simi Valley, at 2975 N Sycamore Dr, Simi Valley, CA 93065 in Ventura County. The practice phone is (805) 955-6000.

Source: Dmand AI Affiliation Data

Anthony Karapetians is affiliated with 6 sites of care and 9 medical groups

Anthony Karapetians' primary practice is Adventist Health Simi Valley in Simi Valley, California, part of Adventist Health. Anthony Karapetians is also affiliated with Dignity Health - Northridge Hospital Medical Center. The medical group on file is Vituity. Dmand AI also links Anthony Karapetians to 2 more hospitals, 8 medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 15 affiliations for Anthony Karapetians

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

Dmand AI tracks the EHR system at Anthony Karapetians' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Anthony Karapetians practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Adventist Health Simi ValleyAvailable with a free account
+5 more sites and 8 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.

Anthony Karapetians is one of 16,751 internists in California

Internal medicine is Anthony Karapetians' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Anthony Karapetians is board certified in internal medicine by the American Board of Internal Medicine. Anthony Karapetians has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A164315 · 2019 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute respiratory failure, anemia, cardiac arrhythmia, cellulitis, cirrhosis, congestive heart failure, depression and gastrointestinal bleeding among the conditions Anthony Karapetians treats.

Internists near Anthony Karapetians

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

Anthony Karapetians billed Medicare for 992 services in 2024

CMS data shows 992 Medicare services from Anthony Karapetians across 7 procedure codes in 2024, for 323 Medicare patients. Medicare paid $98,711 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024992
Medicare patients323
Paid by Medicare$98,711
Procedure codes7

Anthony Karapetians' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5682024: 99275%

Anthony Karapetians compared with the California median for internists, 2024

  • Anthony Karapetians
  • California median
Medicare services
992vs 3612.7 times
Medicare patients
323vs 1512.1 times
Part D claims
253vs 42140% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Anthony Karapetians' 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 Anthony Karapetians

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

Anthony Karapetians treated 323 Medicare patients in 2024, average age 76

CMS counts 323 Medicare patients who saw Anthony Karapetians in 2024. The largest group is 75 to 84, with 101 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 90% are also on Medicaid. Their average risk score is 3.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Anthony Karapetians' median patient age at 71, with 49% women.

Medicare patients, 2024323
Average age76
Average risk score3.54
Also on Medicaid90%

Anthony Karapetians' Medicare patients by age, 2024

Anthony Karapetians' Medicare patients by sex, 2024

  • Women16651%
  • Men15749%

Chronic conditions among Anthony Karapetians' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Diabetes63%
  5. Chronic kidney disease55%
  6. Ischemic heart disease55%
  7. Heart failure53%
  8. Mood disorders53%

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

Anthony Karapetians' patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Anthony Karapetians wrote 582 Medicare Part D claims in 2024

In 2024, Anthony Karapetians wrote 582 Medicare Part D claims for 205 patients. 85% of them were for generic drugs. CMS names the drug for 253 of them, across 15 drugs with 11 or more claims each, at $7,965 in total drug cost. In 2023, CMS named 51 claims across 4 drugs.

Part D claims, 2024582
Drugs named by CMS15
Total drug cost$7,965
Part D patients205

Anthony Karapetians' Part D claims by kind of drug, 2024

  • Generic496 claims85%
  • Brand-name and other86 claims15%

Anthony Karapetians' 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 Anthony Karapetians' Part D claims, 2024

  • Antibiotics14%81 of 582 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: 512024: 253396%

Drugs named by CMS: 15 in 2024, 4 in 2023.

See all prescribing by Anthony Karapetians

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

Anthony Karapetians offers telehealth to Medicare patients

Anthony Karapetians accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Anthony Karapetians as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Anthony Karapetians has 1 publication on record

Dmand AI links 1 paper to Anthony Karapetians.

Papers1

Recent publications by Anthony Karapetians

See all 1 publications and co-authors

See who Anthony Karapetians researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Anthony Karapetians works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Anthony Karapetians received $394 in industry payments from 2022 to 2025

CMS Open Payments shows 4 general payments to Anthony Karapetians from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $229.

General payments to Anthony Karapetians by program year, 2022 to 2025

Companies that paid Anthony Karapetians the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Anthony Karapetians

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

Anthony Karapetians graduated from American University of the Caribbean School of Medicine

Anthony Karapetians graduated from American University of the Caribbean School of Medicine in 2016.

  1. Medical schoolAmerican University of the Caribbean School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in obesity medicineAmerican Board of Obesity Medicine

Source: Dmand AI Professional Profile Data

Anthony Karapetians accepts plans from 11 insurance carriers

Anthony Karapetians is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • +3 more carriersWith a free account

Plan types Anthony Karapetians accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Anthony Karapetians'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)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Anthony Karapetians

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

What is Anthony Karapetians' NPI number?

Anthony Karapetians' NPI number is 1144757030. It was assigned on May 22, 2017, and it is active in the NPI Registry.

What does Anthony Karapetians specialize in?

Anthony Karapetians is an internist in Simi Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Anthony Karapetians practice?

Anthony Karapetians practices at 2975 N Sycamore Dr, Simi Valley, CA 93065. Anthony Karapetians' primary practice is Adventist Health Simi Valley in Simi Valley, California, part of Adventist Health. Dmand AI also links Anthony Karapetians to 2 hospitals, 8 medical groups, 1 group practice or clinic and 1 home health agency.

What is Anthony Karapetians' office phone number?

The practice phone on file for Anthony Karapetians is (805) 955-6000.

What is Anthony Karapetians' medical license number?

Anthony Karapetians' California license number on file is A164315.

Which hospitals is Anthony Karapetians affiliated with?

Anthony Karapetians practices at Adventist Health Simi Valley in Simi Valley, California. Anthony Karapetians is also affiliated with Dignity Health - Northridge Hospital Medical Center. Dmand AI links Anthony Karapetians to 2 more hospitals.

What medical group is Anthony Karapetians part of?

Anthony Karapetians is linked to Vituity. Dmand AI links Anthony Karapetians to 8 more medical groups.

Does Anthony Karapetians accept Medicare?

Yes. CMS data shows Anthony Karapetians billed Medicare for 992 services in 2024, and Anthony Karapetians accepts Medicare assignment.

Does Anthony Karapetians offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Anthony Karapetians as offering telehealth services.

How many Medicare patients does Anthony Karapetians see?

CMS counts 323 Medicare patients who saw Anthony Karapetians in 2024, with an average age of 76.

Show 8 more questionsShow fewer questions

Is Anthony Karapetians board certified?

Yes. Anthony Karapetians is board certified in internal medicine by the American Board of Internal Medicine.

What services does Anthony Karapetians bill to Medicare?

In 2024, Anthony Karapetians' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and nursing facility care (99310).

Where did Anthony Karapetians go to medical school?

Anthony Karapetians graduated from American University of the Caribbean School of Medicine in 2016.

What drugs does Anthony Karapetians prescribe most?

In 2024 Medicare Part D data, Anthony Karapetians' most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.

Has Anthony Karapetians received payments from drug or device companies?

CMS Open Payments shows $394 in general payments to Anthony Karapetians from 2 companies from 2022 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Anthony Karapetians been practicing?

Anthony Karapetians graduated from medical school in 2016, 10 years ago.

Does Anthony Karapetians do research?

Dmand AI links 1 publication to Anthony Karapetians.

What insurance does Anthony Karapetians accept?

Anthony Karapetians is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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