Dr. Siamak P. Etehad, MD
- Medicare services, 2024
- 7,426
- Medicare patients, 2024
- 551
- Part D claims, 2024
- 24,976
- Hospital affiliations
- 2
- Industry payments
- $15,729
- Practice address
- 17075 W Devonshire St, Northridge, CA 91325
- Practice phone
- Call (818) 363-2077
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Siamak Etehad MD Inc a Medical Corporation
Northridge, California
Find Dr. Etehad'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. Siamak P. Etehad is an internist in Northridge, California
Dr. Etehad practices at Siamak Etehad MD Inc a Medical Corporation in Northridge, California.
Dr. Etehad's NPI, 1184728479, was assigned on September 8, 2006. Dr. Etehad graduated from Shahid Beheshti University of Medical Sciences in 1980. Dr. Etehad holds California license A43714.
- NPI
- 1184728479NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204097108
- NPI enumeration date
- September 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 363-2077
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siamak P. Etehad practices at Siamak Etehad MD Inc a Medical Corporation in Northridge, California
Dr. Etehad's primary practice is Siamak Etehad MD Inc a Medical Corporation, at 17075 W Devonshire St, Northridge, CA 91325 in Los Angeles County. The practice phone is (818) 363-2077.
- Siamak Etehad MD Inc a Medical Corporation17075 W Devonshire St, Northridge, CA 91325 · Los Angeles CountyPhone(818) 363-2077
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Siamak P. Etehad is affiliated with 11 sites of care and 1 medical group
Dr. Etehad's primary practice is Siamak Etehad MD Inc a Medical Corporation in Northridge, California. Dr. Etehad is also affiliated with Dignity Health - Northridge Hospital Medical Center. The medical group on file is Siamak Etehad, MD INC, a Medical Corporation. Dmand AI also links Dr. Etehad to 1 more hospital, 4 home health agencies, 2 hospices and 2 skilled nursing facilities, each named with a free account.
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. Siamak P. Etehad's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Etehad practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Siamak Etehad MD Inc a Medical Corporation | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Siamak P. Etehad is one of 16,751 internists in California
Internal medicine is Dr. Etehad's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Etehad is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Etehad's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists acid reflux, acute gallbladder or bile duct inflammation, acute gastroduodenitis, acute kidney failure, acute sinusitis, acute skin infection, aneurysm and ankle or foot injury among the conditions Dr. Etehad treats.
Internists near Dr. Etehad
Counts of internists 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. Siamak P. Etehad billed Medicare for 7,426 services in 2024
CMS data shows 7,426 Medicare services from Dr. Etehad across 24 procedure codes in 2024, for 551 Medicare patients. Medicare paid $506,515 for them.
Dr. Etehad's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5,7852024: 4,96414%
- Drugs given in the office
- 2023: 4062024: 1,367237%
- Tests and treatments
- 2023: 3752024: 3894%
- Surgery
- 2023: 3682024: 3814%
- Other services
- 2023: 1442024: 325126%
Where Dr. Etehad's Medicare services took place, 2024
- In an office5,02468%
- In a facility2,40232%
Dr. Etehad compared with the California median for internists, 2024
- Dr. Etehad
- California median
- Medicare services
- 7,426vs 36120.6 times
- Medicare patients
- 551vs 1513.6 times
- Part D claims
- 23,945vs 42156.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Etehad'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Siamak P. Etehad treated 551 Medicare patients in 2024, average age 74
CMS counts 551 Medicare patients who saw Dr. Etehad in 2024. The largest group is 75 to 84, with 187 patients. 75% of them have diabetes, and 75% have high blood pressure. 73% are also on Medicaid. Their average risk score is 2.08, 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. Etehad's median patient age at 69, with 53% women.
Dr. Etehad's Medicare patients by age, 2024
Dr. Etehad's Medicare patients by sex, 2024
- Women30455%
- Men24745%
Chronic conditions among Dr. Etehad's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Mood disorders47%
- Depression44%
- Ischemic heart disease43%
- Heart failure40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Etehad's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Siamak P. Etehad wrote 24,976 Medicare Part D claims in 2024
In 2024, Dr. Etehad wrote 24,976 Medicare Part D claims for 657 patients. 80% of them were for generic drugs. CMS names the drug for 23,945 of them, across 249 drugs with 11 or more claims each, at $3,657,850 in total drug cost. In 2023, CMS named 25,188 claims across 266 drugs.
Dr. Etehad's Part D claims by kind of drug, 2024
- Generic19,944 claims80%
- Brand-name4,903 claims20%
- Other129 claims1%
Dr. Etehad'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. Etehad's Part D claims, 2024
- Opioids3%836 of 24,976 claims
- Antibiotics2%514 of 24,976 claims
- Antipsychotics, patients 65 and over2%381 of 24,976 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: 25,1882024: 23,9455%
Drugs named by CMS: 249 in 2024, 266 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
Dr. Siamak P. Etehad offers telehealth to Medicare patients
Dr. Etehad accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Etehad as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Siamak P. Etehad received $15,729 in industry payments from 2016 to 2025
CMS Open Payments shows 635 general payments to Dr. Etehad from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $3,031.
General payments to Dr. Etehad by program year, 2016 to 2025
General payments to Dr. Etehad by kind, 2016 to 2025
- Food and beverage$13,43685%
- Speaker and faculty fees$2,18914%
- Education$1041%
Companies that paid Dr. Etehad the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Siamak P. Etehad graduated from Shahid Beheshti University of Medical Sciences
Dr. Etehad graduated from Shahid Beheshti University of Medical Sciences in 1980.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Siamak P. Etehad accepts plans from 17 insurance carriers
Dr. Etehad is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +9 more carriersWith a free account
Plan types Dr. Etehad accepts, by number of carriers
- Medicare9
- PPO9
- HMO8
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Siamak P. Etehad'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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. Siamak P. Etehad
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. Siamak P. Etehad's NPI number?
Dr. Siamak P. Etehad's NPI number is 1184728479. It was assigned on September 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Siamak P. Etehad?
Dr. Siamak P. Etehad is an internist in Northridge, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Siamak P. Etehad practice?
Dr. Etehad practices at 17075 W Devonshire St, Northridge, CA 91325. Dr. Etehad's primary practice is Siamak Etehad MD Inc a Medical Corporation in Northridge, California. Dmand AI also links Dr. Etehad to 1 hospital, 4 home health agencies, 2 hospices and 2 skilled nursing facilities.
What is Dr. Siamak P. Etehad's office phone number?
The practice phone on file for Dr. Etehad is (818) 363-2077.
What is Dr. Siamak P. Etehad's medical license number?
Dr. Etehad holds California license A43714, one of the licenses on file in 2 states.
Which states has Dr. Siamak P. Etehad been licensed in?
Dmand AI has state licenses on file for Dr. Etehad in California (1987 to 2026) and New York (since 1986).
Which hospitals is Dr. Siamak P. Etehad affiliated with?
Dr. Etehad is affiliated with Dignity Health - Northridge Hospital Medical Center. Dmand AI links Dr. Etehad to 1 more hospital.
What medical group is Dr. Siamak P. Etehad part of?
Dr. Etehad is linked to Siamak Etehad, MD INC, a Medical Corporation.
Does Dr. Siamak P. Etehad accept Medicare?
Yes. CMS data shows Dr. Etehad billed Medicare for 7,426 services in 2024, and Dr. Etehad accepts Medicare assignment.
Does Dr. Siamak P. Etehad offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Etehad as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Siamak P. Etehad see?
CMS counts 551 Medicare patients who saw Dr. Etehad in 2024, with an average age of 74.
Is Dr. Siamak P. Etehad board certified?
Yes. Dr. Etehad is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Siamak P. Etehad bill to Medicare?
In 2024, Dr. Etehad's most billed Medicare services were nursing facility care (99309), office visit, established patient (99214) and injected or infused drug (J1010).
Where did Dr. Siamak P. Etehad go to medical school?
Dr. Etehad graduated from Shahid Beheshti University of Medical Sciences in 1980.
What drugs does Dr. Siamak P. Etehad prescribe most?
In 2024 Medicare Part D data, Dr. Etehad's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Metoprolol Succinate.
Has Dr. Siamak P. Etehad received payments from drug or device companies?
CMS Open Payments shows $15,729 in general payments to Dr. Etehad from 49 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Siamak P. Etehad been practicing?
Dr. Etehad graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Siamak P. Etehad accept?
Dr. Etehad is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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