Dr. Hakop K. Oganyan, MD

  • West Hills, CA
  • General practice physician
NPI1366472045
Medicare services, 2024
17
Medicare patients, 2024
13
Part D claims, 2024
6,729
Industry payments
$12,471
Insurance carriers
8
Practice address
8403 N Fallbrook Ave, West Hills, CA 91304
Practice phone
Call (800) 877-2515
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Quest Diagnostics

West Hills, California

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Dr. Hakop K. Oganyan is a general practice physician in West Hills, California

Dr. Oganyan practices at Quest Diagnostics in West Hills, California.

Dr. Oganyan's NPI, 1366472045, was assigned on July 5, 2006. Dr. Oganyan graduated from Yerevan State Medical University in 1985. Dr. Oganyan holds California license A83140.

NPI and contact details
NPI enumeration date
July 5, 2006
NPI status
Active
Practice phone
(800) 877-2515
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
67
Medical school graduation
1985

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Hakop K. Oganyan practices at Quest Diagnostics in West Hills, California

Dr. Oganyan's primary practice is Quest Diagnostics, at 8403 N Fallbrook Ave, West Hills, CA 91304 in Los Angeles County. The practice phone is (800) 877-2515.

  • Quest Diagnostics
    8403 N Fallbrook Ave, West Hills, CA 91304 · Los Angeles CountyPhone(800) 877-2515

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Hakop K. Oganyan is affiliated with 1 site of care

Dr. Oganyan's primary practice is Quest Diagnostics in West Hills, California.

Quest DiagnosticsWest Hills, CaliforniaPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Hakop K. Oganyan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oganyan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Quest DiagnosticsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hakop K. Oganyan is one of 1,526 general practice physicians in California

General practice is Dr. Oganyan's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Oganyan is licensed in California.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense A83140 · 2003 to 2027 · taxonomy 208D00000X

Clinical focus

Dmand AI lists anxiety, arthritis, asthma, chronic diabetes, chronic obstructive pulmonary disease (COPD), depression, diabetic emergency and enlarged prostate among the conditions Dr. Oganyan treats.

General practice physicians near Dr. Oganyan

Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.

1,526general practice physicians in California
7general practice physicians in West Hills

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hakop K. Oganyan billed Medicare for 17 services in 2024

CMS data shows 17 Medicare services from Dr. Oganyan across 1 procedure code in 2024, all of them office visits, for 13 Medicare patients. Medicare paid $1,083 for them. Every service was in an office.

Medicare services, 202417
Medicare patients13
Paid by Medicare$1,083
Procedure codes1

Dr. Oganyan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 922024: 1782%

Dr. Oganyan compared with the California median for general practice physicians, 2024

  • Dr. Oganyan
  • California median
Medicare services
17vs 26294% below
Medicare patients
13vs 13690% below
Part D claims
6,207vs 19232.3 times

Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.

Dr. Oganyan'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 Dr. Oganyan

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

Dr. Hakop K. Oganyan treated 13 Medicare patients in 2024, average age 70

CMS counts 13 Medicare patients who saw Dr. Oganyan in 2024. The largest group is 85 and over, with 0 patients. 75% of them have arthritis, and 75% have copd. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Oganyan's median patient age at 39, with 38% women.

Medicare patients, 202413
Average age70
Average risk score1.34

Dr. Oganyan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Oganyan's Medicare patients, 2024

  1. Arthritis75%
  2. COPD75%
  3. High blood pressure75%
  4. High cholesterol75%

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

Dr. Oganyan's patients across all payers

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

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women38%
  • Men62%

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

Dr. Hakop K. Oganyan wrote 6,729 Medicare Part D claims in 2024

In 2024, Dr. Oganyan wrote 6,729 Medicare Part D claims for 98 patients. 76% of them were for generic drugs. CMS names the drug for 6,207 of them, across 130 drugs with 11 or more claims each, at $1,594,472 in total drug cost. In 2023, CMS named 6,817 claims across 141 drugs.

Part D claims, 20246,729
Drugs named by CMS130
Total drug cost$1.6M
Part D patients98

Dr. Oganyan's Part D claims by kind of drug, 2024

  • Generic5,143 claims76%
  • Brand-name1,466 claims22%
  • Other120 claims2%

Dr. Oganyan'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. Oganyan's Part D claims, 2024

  • Opioids0%23 of 6,729 claims
  • Antibiotics1%47 of 6,729 claims
  • Antipsychotics, patients 65 and over2%138 of 6,729 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: 6,8172024: 6,2079%

Drugs named by CMS: 130 in 2024, 141 in 2023.

See all prescribing by Dr. Oganyan

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

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Dr. Hakop K. Oganyan received $12,471 in industry payments from 2016 to 2025

CMS Open Payments shows 508 general payments to Dr. Oganyan from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,007.

General payments to Dr. Oganyan by program year, 2016 to 2025

General payments to Dr. Oganyan by kind, 2016 to 2025

$12.5Kin total
  • Food and beverage$12,00196%
  • Education$4704%

Companies that paid Dr. Oganyan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Oganyan

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

Dr. Hakop K. Oganyan graduated from Yerevan State Medical University

Dr. Oganyan graduated from Yerevan State Medical University in 1985.

  1. Medical schoolYerevan State Medical University

Source: Dmand AI Professional Profile Data

Dr. Hakop K. Oganyan accepts plans from 8 insurance carriers

Dr. Oganyan is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Elevance
  • Molina

Plan types Dr. Oganyan accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hakop K. Oganyan'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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)
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 Dr. Hakop K. Oganyan

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. Hakop K. Oganyan's NPI number?

Dr. Hakop K. Oganyan's NPI number is 1366472045. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Hakop K. Oganyan?

Dr. Hakop K. Oganyan is a general practice physician in West Hills, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Hakop K. Oganyan practice?

Dr. Oganyan practices at 8403 N Fallbrook Ave, West Hills, CA 91304. Dr. Oganyan's primary practice is Quest Diagnostics in West Hills, California.

What is Dr. Hakop K. Oganyan's office phone number?

The practice phone on file for Dr. Oganyan is (800) 877-2515.

What is Dr. Hakop K. Oganyan's medical license number?

Dr. Oganyan holds California license A83140.

Does Dr. Hakop K. Oganyan accept Medicare?

Yes. CMS data shows Dr. Oganyan billed Medicare for 17 services in 2024.

How many Medicare patients does Dr. Hakop K. Oganyan see?

CMS counts 13 Medicare patients who saw Dr. Oganyan in 2024, with an average age of 70.

What services does Dr. Hakop K. Oganyan bill to Medicare?

In 2024, Dr. Oganyan's most billed Medicare services were office visit, established patient (99213).

Where did Dr. Hakop K. Oganyan go to medical school?

Dr. Oganyan graduated from Yerevan State Medical University in 1985.

What drugs does Dr. Hakop K. Oganyan prescribe most?

In 2024 Medicare Part D data, Dr. Oganyan's most prescribed drugs by claims were Vascepa, Omeprazole-Sodium Bicarbonate and Diclofenac Sodium.

Show 3 more questionsShow fewer questions

Has Dr. Hakop K. Oganyan received payments from drug or device companies?

CMS Open Payments shows $12,471 in general payments to Dr. Oganyan from 35 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Hakop K. Oganyan been practicing?

Dr. Oganyan graduated from medical school in 1985, 41 years ago.

What insurance does Dr. Hakop K. Oganyan accept?

Dr. Oganyan is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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