Dr. Rasam M. Hosseinian, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hosseinian's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1326092834NPI Registry (opens in a new tab)
- 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.
- PIH Health Downey Hospital11500 Brookshire Avenue, Downey, CA 90241 · Los Angeles CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| PIH Health Downey Hospital | Available with a free account |
| +9 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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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. 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, CaliforniaPrimary
- New York license
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.
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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hosseinian and other hospitalists in California.
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.
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
- High blood pressure75%
- High cholesterol75%
- Diabetes71%
- Arthritis56%
- Heart failure56%
- Chronic kidney disease55%
- Mood disorders47%
- 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.
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.
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.
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.
- Medical school
- Board certified in facp
- Board certified in 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
- PPO8
- Medicare7
- HMO5
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Rasam M. Hosseinian'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) |
| 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. 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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