Dr. Michael Zourabian, MD

  • Duarte, CA
  • Hospitalist
NPI1831304831PAC ID7810949849
Medicare services, 2024
313
Medicare patients, 2024
309
Part D claims, 2024
135
Hospital affiliations
1
Industry payments
$154
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 6 affiliations

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Dr. Michael Zourabian is a hospitalist in Duarte, California

Dr. Zourabian practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Zourabian's NPI, 1831304831, was assigned on May 11, 2007. Dr. Zourabian graduated from Yerevan State Medical University in 1983. Dr. Zourabian holds California license A96547.

NPI and contact details
Medicare PAC ID
7810949849
NPI enumeration date
May 11, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

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

Dr. Michael Zourabian practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Zourabian's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

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

Dr. Michael Zourabian is affiliated with 3 sites of care and 3 medical groups

Dr. Zourabian's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dr. Zourabian is also affiliated with USC Arcadia Hospital. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Zourabian to 2 more medical groups and 1 other site, each named with a free account.

See all 6 affiliations for Dr. Zourabian

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

Dmand AI tracks the EHR system at Dr. Michael Zourabian's practice

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

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Zourabian is one of 3,186 hospitalists in California

Hospitalist is Dr. Zourabian's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Zourabian is board certified in family medicine by the American Board of Family Medicine. Dr. Zourabian is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A96547 · 2006 to 2026 · taxonomy 208M00000X

Clinical focus

Dmand AI lists acute skin infection, chronic anemia, contact dermatitis, fibromyalgia and chronic pain, hives, itchy rashes, joint pain and lower back pain among the conditions Dr. Zourabian treats.

Hospitalists near Dr. Zourabian

Counts of hospitalists 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. Michael Zourabian billed Medicare for 313 services in 2024

CMS data shows 313 Medicare services from Dr. Zourabian across 5 procedure codes in 2024, for 309 Medicare patients. Medicare paid $39,188 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024313
Medicare patients309
Paid by Medicare$39,188
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 3302024: 3135%

Dr. Zourabian compared with the California median for hospitalists, 2024

  • Dr. Zourabian
  • California median
Medicare services
313vs 43027% below
Medicare patients
309vs 20154% above
Part D claims
21vs 6970% below

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Dr. Zourabian'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. Zourabian

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

Dr. Michael Zourabian treated 309 Medicare patients in 2024, average age 71

CMS counts 309 Medicare patients who saw Dr. Zourabian in 2024. The largest group is 65 to 74, with 151 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 41% are also on Medicaid. Their average risk score is 3.67, 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. Zourabian's median patient age at 65, with 54% women.

Medicare patients, 2024309
Average age71
Average risk score3.67
Also on Medicaid41%

Dr. Zourabian's Medicare patients by age, 2024

Dr. Zourabian's Medicare patients by sex, 2024

  • Women16152%
  • Men14848%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Cancer55%
  4. Arthritis48%
  5. Chronic kidney disease39%
  6. Ischemic heart disease39%
  7. Diabetes38%
  8. Anxiety36%

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

Dr. Zourabian's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Michael Zourabian wrote 135 Medicare Part D claims in 2024

In 2024, Dr. Zourabian wrote 135 Medicare Part D claims for 107 patients. 91% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $146 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Part D claims, 2024135
Drugs named by CMS1
Total drug cost$146
Part D patients107

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

  • Generic123 claims91%
  • Brand-name and other12 claims9%

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

  • Opioids12%16 of 135 claims
  • Antibiotics35%47 of 135 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: 132024: 2162%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Zourabian

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. Michael Zourabian takes part in Medicare

Dr. Zourabian 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. Michael Zourabian received $154 in industry payments from 2016 to 2024

CMS Open Payments shows 5 general payments to Dr. Zourabian from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $45.

General payments to Dr. Zourabian by program year, 2016 to 2024

Companies that paid Dr. Zourabian the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Zourabian

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

Dr. Michael Zourabian graduated from Yerevan State Medical University

Dr. Zourabian graduated from Yerevan State Medical University in 1983.

  1. Medical schoolYerevan State Medical University
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Michael Zourabian accepts plans from 11 insurance carriers

Dr. Zourabian is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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

Plan types Dr. Zourabian accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. POS5
  4. HMO4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Zourabian'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 DataDmand 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)
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. Michael Zourabian

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. Michael Zourabian's NPI number?

Dr. Michael Zourabian's NPI number is 1831304831. It was assigned on May 11, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Zourabian?

Dr. Michael Zourabian is a hospitalist in Duarte, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Michael Zourabian practice?

Dr. Zourabian practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Zourabian's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Zourabian to 2 medical groups and 1 other site.

What is Dr. Michael Zourabian's office phone number?

The practice phone on file for Dr. Zourabian is (800) 826-4673.

What is Dr. Michael Zourabian's medical license number?

Dr. Zourabian holds California license A96547.

Which hospitals is Dr. Michael Zourabian affiliated with?

Dr. Zourabian is affiliated with USC Arcadia Hospital.

What medical group is Dr. Michael Zourabian part of?

Dr. Zourabian is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Zourabian to 2 more medical groups.

Does Dr. Michael Zourabian accept Medicare?

Yes. CMS data shows Dr. Zourabian billed Medicare for 313 services in 2024, and Dr. Zourabian accepts Medicare assignment.

How many Medicare patients does Dr. Michael Zourabian see?

CMS counts 309 Medicare patients who saw Dr. Zourabian in 2024, with an average age of 71.

Is Dr. Michael Zourabian board certified?

Yes. Dr. Zourabian is board certified in family medicine by the American Board of Family Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Michael Zourabian bill to Medicare?

In 2024, Dr. Zourabian's most billed Medicare services were hospital inpatient care (99223), office visit, new patient (99205) and office visit, established patient (99215).

Where did Dr. Michael Zourabian go to medical school?

Dr. Zourabian graduated from Yerevan State Medical University in 1983.

What drugs does Dr. Michael Zourabian prescribe most?

In 2024 Medicare Part D data, Dr. Zourabian's most prescribed drugs by claims were Cephalexin.

Has Dr. Michael Zourabian received payments from drug or device companies?

CMS Open Payments shows $154 in general payments to Dr. Zourabian from 4 companies from 2016 to 2024. The largest total came from Gilead Sciences, Inc.

How long has Dr. Michael Zourabian been practicing?

Dr. Zourabian graduated from medical school in 1983, 43 years ago.

What insurance does Dr. Michael Zourabian accept?

Dr. Zourabian is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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