Dr. Rasam M. Hosseinian, MD

  • Downey, CA
  • Hospitalist
NPI1326092834PAC ID9638107659
Medicare services, 2024
736
Medicare patients, 2024
312
Part D claims, 2024
341
Hospital affiliations
4
Industry payments
$187
Practice address
11500 Brookshire Avenue, Downey, CA 90241
Practice phone
Call (562) 904-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

PIH Health Downey Hospital

Hospital · Downey, California

See all 15 affiliations

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Dr. Rasam M. Hosseinian is a hospitalist in Downey, California

Dr. Hosseinian practices at PIH Health Downey Hospital in Downey, California, part of PIH Health.

Dr. Hosseinian's NPI, 1326092834, was assigned on May 20, 2006. Dr. Hosseinian graduated from Mashhad University of Medical Sciences in 1999. Dr. Hosseinian holds California license 54175.

NPI and contact details
Medicare PAC ID
9638107659
NPI enumeration date
May 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 904-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1999

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

Dr. Rasam M. Hosseinian practices at PIH Health Downey Hospital in Downey, California

Dr. Hosseinian's primary practice is PIH Health Downey Hospital, at 11500 Brookshire Avenue, Downey, CA 90241 in Los Angeles County. The practice phone is (562) 904-5000.

Source: Dmand AI Affiliation Data

Dr. Rasam M. Hosseinian is affiliated with 10 sites of care and 5 medical groups

Dr. Hosseinian's primary practice is PIH Health Downey Hospital in Downey, California, part of PIH Health. Dr. Hosseinian is also affiliated with Eisenhower Health. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Hosseinian to 2 more hospitals, 4 medical groups, 3 hospices, 1 physician office, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 15 affiliations for Dr. Hosseinian

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

Dmand AI tracks the EHR system at Dr. Rasam M. Hosseinian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hosseinian practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PIH Health Downey HospitalAvailable with a free account
+9 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Rasam M. Hosseinian is one of 3,186 hospitalists in California

Hospitalist is Dr. Hosseinian's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Hosseinian is board certified in facp by the ACP. Dmand AI has Dr. Hosseinian's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense 54175 · 2010 to 2026 · taxonomy 208M00000X
  • New York license2005 to 2011

Clinical focus

Dmand AI lists cardiac arrhythmia, cellulitis, congestive heart failure, electrolyte disorders, gastrointestinal bleeding, gastrointestinal inflammation, heart attack and kidney failure among the conditions Dr. Hosseinian treats.

Hospitalists near Dr. Hosseinian

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. Rasam M. Hosseinian billed Medicare for 736 services in 2024

CMS data shows 736 Medicare services from Dr. Hosseinian across 5 procedure codes in 2024, for 312 Medicare patients. Medicare paid $58,295 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024736
Medicare patients312
Paid by Medicare$58,295
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 8422024: 73613%

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

  • Dr. Hosseinian
  • California median
Medicare services
736vs 43071% above
Medicare patients
312vs 20155% above
Part D claims
128vs 6986% above

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

Dr. Hosseinian'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. Hosseinian

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

Dr. Rasam M. Hosseinian treated 312 Medicare patients in 2024, average age 73

CMS counts 312 Medicare patients who saw Dr. Hosseinian in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 83% are also on Medicaid. Their average risk score is 3.56, 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. Hosseinian's median patient age at 63, with 52% women.

Medicare patients, 2024312
Average age73
Average risk score3.56
Also on Medicaid83%

Dr. Hosseinian's Medicare patients by age, 2024

Dr. Hosseinian's Medicare patients by sex, 2024

  • Women17556%
  • Men13744%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes71%
  4. Arthritis56%
  5. Heart failure56%
  6. Chronic kidney disease55%
  7. Mood disorders47%
  8. Ischemic heart disease46%

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

Dr. Hosseinian's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Rasam M. Hosseinian wrote 341 Medicare Part D claims in 2024

In 2024, Dr. Hosseinian wrote 341 Medicare Part D claims for 150 patients. 87% of them were for generic drugs. CMS names the drug for 128 of them, across 8 drugs with 11 or more claims each, at $15,013 in total drug cost. In 2023, CMS named 186 claims across 11 drugs.

Part D claims, 2024341
Drugs named by CMS8
Total drug cost$15,013
Part D patients150

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

  • Generic295 claims87%
  • Brand-name and other46 claims13%

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

  • Opioids5%16 of 341 claims
  • Antibiotics30%102 of 341 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: 1862024: 12831%

Drugs named by CMS: 8 in 2024, 11 in 2023.

See all prescribing by Dr. Hosseinian

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. Rasam M. Hosseinian takes part in Medicare

Dr. Hosseinian 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. Rasam M. Hosseinian received $187 in industry payments from 2016 to 2018

CMS Open Payments shows 8 general payments to Dr. Hosseinian from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $72.

General payments to Dr. Hosseinian by program year, 2016 to 2018

Companies that paid Dr. Hosseinian the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Hosseinian

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

Dr. Rasam M. Hosseinian graduated from Mashhad University of Medical Sciences

Dr. Hosseinian graduated from Mashhad University of Medical Sciences in 1999.

  1. Medical schoolMashhad University of Medical Sciences
  2. Board certified in facpACP
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Rasam M. Hosseinian accepts plans from 12 insurance carriers

Dr. Hosseinian is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Alliant Health Plans
  • +4 more carriersWith a free account

Plan types Dr. Hosseinian accepts, by number of carriers

  1. PPO8
  2. Medicare7
  3. HMO5
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Rasam M. Hosseinian'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)
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. Rasam M. Hosseinian

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. Rasam M. Hosseinian's NPI number?

Dr. Rasam M. Hosseinian's NPI number is 1326092834. It was assigned on May 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Rasam M. Hosseinian?

Dr. Rasam M. Hosseinian is a hospitalist in Downey, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Rasam M. Hosseinian practice?

Dr. Hosseinian practices at 11500 Brookshire Avenue, Downey, CA 90241. Dr. Hosseinian's primary practice is PIH Health Downey Hospital in Downey, California, part of PIH Health. Dmand AI also links Dr. Hosseinian to 2 hospitals, 4 medical groups, 3 hospices, 1 physician office, 1 group practice or clinic and 1 home health agency.

What is Dr. Rasam M. Hosseinian's office phone number?

The practice phone on file for Dr. Hosseinian is (562) 904-5000.

What is Dr. Rasam M. Hosseinian's medical license number?

Dr. Hosseinian holds California license 54175, one of the licenses on file in 2 states.

Which states has Dr. Rasam M. Hosseinian been licensed in?

Dmand AI has state licenses on file for Dr. Hosseinian in California (2010 to 2026) and New York (2005 to 2011).

Which hospitals is Dr. Rasam M. Hosseinian affiliated with?

Dr. Hosseinian practices at PIH Health Downey Hospital in Downey, California. Dr. Hosseinian is also affiliated with Eisenhower Health. Dmand AI links Dr. Hosseinian to 2 more hospitals.

What medical group is Dr. Rasam M. Hosseinian part of?

Dr. Hosseinian is linked to PIH Health Physicians. Dmand AI links Dr. Hosseinian to 4 more medical groups.

Does Dr. Rasam M. Hosseinian accept Medicare?

Yes. CMS data shows Dr. Hosseinian billed Medicare for 736 services in 2024, and Dr. Hosseinian accepts Medicare assignment.

How many Medicare patients does Dr. Rasam M. Hosseinian see?

CMS counts 312 Medicare patients who saw Dr. Hosseinian in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

Is Dr. Rasam M. Hosseinian board certified?

Yes. Dr. Hosseinian is board certified in facp by the ACP.

What services does Dr. Rasam M. Hosseinian bill to Medicare?

In 2024, Dr. Hosseinian's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99223).

Where did Dr. Rasam M. Hosseinian go to medical school?

Dr. Hosseinian graduated from Mashhad University of Medical Sciences in 1999.

What drugs does Dr. Rasam M. Hosseinian prescribe most?

In 2024 Medicare Part D data, Dr. Hosseinian's most prescribed drugs by claims were Cefpodoxime Proxetil, Atorvastatin Calcium and Furosemide.

Has Dr. Rasam M. Hosseinian received payments from drug or device companies?

CMS Open Payments shows $187 in general payments to Dr. Hosseinian from 4 companies from 2016 to 2018. The largest total came from Bausch Health Americas, Inc.

How long has Dr. Rasam M. Hosseinian been practicing?

Dr. Hosseinian graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Rasam M. Hosseinian accept?

Dr. Hosseinian is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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