Dr. Hoori Hovanessian, MD
- Medicare services, 2024
- 211
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 55
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 12401 Washington Blvd, Whittier, CA 90602
- Practice phone
- Call (562) 698-0811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hovanessian's professional email, personal email and mobile number
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Dr. Hoori Hovanessian is an emergency medicine physician in Whittier, California
Dr. Hovanessian practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.
Dr. Hovanessian's NPI, 1578599825, was assigned on June 25, 2006. Dr. Hovanessian graduated from Keck School of Medicine of USC in 1990. Dr. Hovanessian holds California license G72169.
- NPI
- 1578599825NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385638774
- NPI enumeration date
- June 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 698-0811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hoori Hovanessian practices at PIH Health Whittier Hospital in Whittier, California
Dr. Hovanessian's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.
- PIH Health Whittier Hospital12401 Washington Blvd, Whittier, CA 90602 · Los Angeles CountyPhone(562) 698-0811
Source: Dmand AI Affiliation Data
Dr. Hoori Hovanessian is affiliated with 2 sites of care and 1 medical group
Dr. Hovanessian's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. The medical group on file is Intercommunity Emergency Medical Group. Dmand AI also links Dr. Hovanessian to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hoori Hovanessian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hovanessian practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Whittier Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across PIH Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Hoori Hovanessian is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Hovanessian's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hovanessian is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Hovanessian is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Hovanessian
Counts of emergency 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. Hoori Hovanessian billed Medicare for 211 services in 2024
CMS data shows 211 Medicare services from Dr. Hovanessian across 4 procedure codes in 2024, for 136 Medicare patients. Medicare paid $18,485 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hovanessian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1332024: 1362%
- Tests and treatments
- 2023: 742024: 751%
Dr. Hovanessian compared with the California median for emergency medicine physicians, 2024
- Dr. Hovanessian
- California median
- Medicare services
- 211vs 26520% below
- Medicare patients
- 136vs 24344% below
- Part D claims
- 12vs 6281% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Hovanessian'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. Hovanessian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hovanessian and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hoori Hovanessian treated 136 Medicare patients in 2024, average age 75
CMS counts 136 Medicare patients who saw Dr. Hovanessian in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 2.60, 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. Hovanessian's median patient age at 34, with 57% women.
Dr. Hovanessian's Medicare patients by age, 2024
Dr. Hovanessian's Medicare patients by sex, 2024
- Women8462%
- Men5238%
Chronic conditions among Dr. Hovanessian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes49%
- Chronic kidney disease48%
- Heart failure41%
- Anxiety35%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hovanessian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hoori Hovanessian wrote 55 Medicare Part D claims in 2024
In 2024, Dr. Hovanessian wrote 55 Medicare Part D claims for 42 patients. 96% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $39 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Dr. Hovanessian's Part D claims by kind of drug, 2024
- Generic53 claims96%
- Brand-name and other2 claims4%
Dr. Hovanessian'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. Hovanessian's Part D claims, 2024
- Antibiotics40%22 of 55 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: 242024: 1250%
Drugs named by CMS: 1 in 2024, 2 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
How Dr. Hoori Hovanessian takes part in Medicare
Dr. Hovanessian 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)
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Dr. Hoori Hovanessian has 2 publications on record
Dmand AI links 2 papers to Dr. Hovanessian.
Recent publications by Dr. Hovanessian
See who Dr. Hovanessian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hovanessian works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Hoori Hovanessian received $34 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Hovanessian from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $34.
Companies that paid Dr. Hovanessian the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hoori Hovanessian graduated from Keck School of Medicine of USC
Dr. Hovanessian graduated from Keck School of Medicine of USC in 1990.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Hoori Hovanessian accepts plans from 1 insurance carrier
Dr. Hovanessian 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 Dr. Hoori Hovanessian'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Hoori Hovanessian
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. Hoori Hovanessian's NPI number?
Dr. Hoori Hovanessian's NPI number is 1578599825. It was assigned on June 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hoori Hovanessian?
Dr. Hoori Hovanessian is an emergency medicine physician in Whittier, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Hoori Hovanessian practice?
Dr. Hovanessian practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Hovanessian's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Hovanessian to 1 hospital.
What is Dr. Hoori Hovanessian's office phone number?
The practice phone on file for Dr. Hovanessian is (562) 698-0811.
What is Dr. Hoori Hovanessian's medical license number?
Dr. Hovanessian holds California license G72169.
Which hospitals is Dr. Hoori Hovanessian affiliated with?
Dr. Hovanessian practices at PIH Health Whittier Hospital in Whittier, California. Dmand AI links Dr. Hovanessian to 1 more hospital.
What medical group is Dr. Hoori Hovanessian part of?
Dr. Hovanessian is linked to Intercommunity Emergency Medical Group.
Does Dr. Hoori Hovanessian accept Medicare?
Yes. CMS data shows Dr. Hovanessian billed Medicare for 211 services in 2024, and Dr. Hovanessian accepts Medicare assignment.
How many Medicare patients does Dr. Hoori Hovanessian see?
CMS counts 136 Medicare patients who saw Dr. Hovanessian in 2024, with an average age of 75.
Is Dr. Hoori Hovanessian board certified?
Yes. Dr. Hovanessian is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Hoori Hovanessian bill to Medicare?
In 2024, Dr. Hovanessian's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Hoori Hovanessian go to medical school?
Dr. Hovanessian graduated from Keck School of Medicine of USC in 1990.
What drugs does Dr. Hoori Hovanessian prescribe most?
In 2024 Medicare Part D data, Dr. Hovanessian's most prescribed drugs by claims were Cephalexin.
Has Dr. Hoori Hovanessian received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Hovanessian from 1 company from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Hoori Hovanessian been practicing?
Dr. Hovanessian graduated from medical school in 1990, 36 years ago.
Does Dr. Hoori Hovanessian do research?
Dmand AI links 2 publications to Dr. Hovanessian.
What insurance does Dr. Hoori Hovanessian accept?
Dr. Hovanessian 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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