Dr. Seyed Mahdi Abtahi, MD
- Medicare services, 2024
- 27,983
- Medicare patients, 2024
- 3,589
- Publications
- 1
- Hospital affiliations
- 6
- Industry payments
- $63
- Practice address
- 18133 Ventura Blvd. Ste 400, Tarzana, CA 91356
- Practice phone
- Call (714) 635-6272
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
United Pacific Surgery Center
Surgery Center - Medicare-Certified · Tarzana, California
Find Dr. Abtahi'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. Seyed Mahdi Abtahi is a diagnostic radiologist in Tarzana, California
Dr. Abtahi practices at United Pacific Surgery Center in Tarzana, California.
Dr. Abtahi's NPI, 1437564135, was assigned on June 23, 2014. Dr. Abtahi graduated from Iran University of Medical Sciences in 2008. Dr. Abtahi holds California license A161415.
- NPI
- 1437564135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739482928
- NPI enumeration date
- June 23, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 635-6272
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Seyed Mahdi Abtahi practices at United Pacific Surgery Center in Tarzana, California
Dr. Abtahi's primary practice is United Pacific Surgery Center, at 18133 Ventura Blvd. Ste 400, Tarzana, CA 91356. The practice phone is (714) 635-6272.
- United Pacific Surgery Center18133 Ventura Blvd. Ste 400, Tarzana, CA 91356Phone(714) 635-6272
Source: Dmand AI Affiliation Data
Dr. Seyed Mahdi Abtahi is affiliated with 13 sites of care and 18 medical groups
Dr. Abtahi's primary practice is United Pacific Surgery Center in Tarzana, California. Dr. Abtahi is also affiliated with Keck Hospital of USC. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Abtahi to 5 more hospitals, 17 medical groups, 5 group practices and clinics and 1 rural health clinic, 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. Seyed Mahdi Abtahi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abtahi practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| United Pacific Surgery Center | Available with a free account |
| +12 more sites and 17 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Seyed Mahdi Abtahi is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Abtahi's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Abtahi is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Abtahi's licenses on file in 3 states: California, Pennsylvania and Massachusetts.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Pennsylvania license
- Massachusetts license
Diagnostic radiologists near Dr. Abtahi
Counts of diagnostic radiologists 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. Seyed Mahdi Abtahi billed Medicare for 27,983 services in 2024
CMS data shows 27,983 Medicare services from Dr. Abtahi across 69 procedure codes in 2024, for 3,589 Medicare patients. Medicare paid $286,096 for them.
Dr. Abtahi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 17,1192024: 22,66332%
- Imaging
- 2023: 4,7612024: 5,2139%
- Tests and treatments
- 2023: 1812024: 10741%
Where Dr. Abtahi's Medicare services took place, 2024
- In an office24,43387%
- In a facility3,55013%
Dr. Abtahi compared with the California median for diagnostic radiologists, 2024
- Dr. Abtahi
- California median
- Medicare services
- 27,983vs 2,28112.3 times
- Medicare patients
- 3,589vs 1,3462.7 times
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Abtahi'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. Abtahi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Abtahi and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Seyed Mahdi Abtahi treated 3,589 Medicare patients in 2024, average age 76
CMS counts 3,589 Medicare patients who saw Dr. Abtahi in 2024. The largest group is 65 to 74, with 1,352 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.76, 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. Abtahi's median patient age at 62, with 60% women.
Dr. Abtahi's Medicare patients by age, 2024
Dr. Abtahi's Medicare patients by sex, 2024
- Women2,26663%
- Men1,32337%
Chronic conditions among Dr. Abtahi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease43%
- Diabetes39%
- Mood disorders34%
- Anxiety32%
- Chronic kidney disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Abtahi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Seyed Mahdi Abtahi takes part in Medicare
Dr. Abtahi 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Seyed Mahdi Abtahi has 1 publication on record
Dmand AI links 1 paper to Dr. Abtahi in 2016. Dr. Abtahi's most frequent co-authors are Sheela Agarwal, MD, Joseph R. Grajo, MD and Peter Florin Hahn, MD, PhD.
Dr. Abtahi's most frequent co-authors
- Sheela Agarwal, MD1 shared paper
- Joseph R. Grajo, MD1 shared paper
- Peter Florin Hahn, MD, PhD1 shared paper
Recent publications by Dr. Abtahi
See who Dr. Abtahi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Abtahi works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Seyed Mahdi Abtahi received $63 in industry payments from 2022 to 2024
CMS Open Payments shows 3 general payments to Dr. Abtahi from 2 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $36.
General payments to Dr. Abtahi by program year, 2022 to 2024
Companies that paid Dr. Abtahi the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Seyed Mahdi Abtahi graduated from Iran University of Medical Sciences
Dr. Abtahi graduated from Iran University of Medical Sciences in 2008.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Seyed Mahdi Abtahi accepts plans from 8 insurance carriers
Dr. Abtahi is in network with 8 carriers, including Elevance, United Healthcare and Alliant Health Plans. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- United Healthcare
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- HCSC
- Molina
Plan types Dr. Abtahi accepts, by number of carriers
- Medicare4
- POS3
- PPO3
- EPO2
- HMO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Seyed Mahdi Abtahi'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) |
| 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. Seyed Mahdi Abtahi
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. Seyed Mahdi Abtahi's NPI number?
Dr. Seyed Mahdi Abtahi's NPI number is 1437564135. It was assigned on June 23, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Seyed Mahdi Abtahi?
Dr. Seyed Mahdi Abtahi is a diagnostic radiologist in Tarzana, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Seyed Mahdi Abtahi practice?
Dr. Abtahi practices at 18133 Ventura Blvd. Ste 400, Tarzana, CA 91356. Dr. Abtahi's primary practice is United Pacific Surgery Center in Tarzana, California. Dmand AI also links Dr. Abtahi to 5 hospitals, 17 medical groups, 5 group practices and clinics and 1 rural health clinic.
What is Dr. Seyed Mahdi Abtahi's office phone number?
The practice phone on file for Dr. Abtahi is (714) 635-6272.
What is Dr. Seyed Mahdi Abtahi's medical license number?
Dr. Abtahi holds California license A161415, one of the licenses on file in 3 states.
Which states has Dr. Seyed Mahdi Abtahi been licensed in?
Dmand AI has state licenses on file for Dr. Abtahi in California (2019 to 2027), Pennsylvania (2015 to 2019) and Massachusetts (2014 to 2015).
Which hospitals is Dr. Seyed Mahdi Abtahi affiliated with?
Dr. Abtahi is affiliated with Keck Hospital of USC. Dmand AI links Dr. Abtahi to 5 more hospitals.
What medical group is Dr. Seyed Mahdi Abtahi part of?
Dr. Abtahi is linked to USC Care Medical Group. Dmand AI links Dr. Abtahi to 17 more medical groups.
Does Dr. Seyed Mahdi Abtahi accept Medicare?
Yes. CMS data shows Dr. Abtahi billed Medicare for 27,983 services in 2024, and Dr. Abtahi accepts Medicare assignment.
How many Medicare patients does Dr. Seyed Mahdi Abtahi see?
CMS counts 3,589 Medicare patients who saw Dr. Abtahi in 2024, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Seyed Mahdi Abtahi board certified?
Yes. Dr. Abtahi is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Seyed Mahdi Abtahi bill to Medicare?
In 2024, Dr. Abtahi's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9575) and diagnostic imaging (71045).
Where did Dr. Seyed Mahdi Abtahi go to medical school?
Dr. Abtahi graduated from Iran University of Medical Sciences in 2008.
Has Dr. Seyed Mahdi Abtahi received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to Dr. Abtahi from 2 companies from 2022 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Seyed Mahdi Abtahi been practicing?
Dr. Abtahi graduated from medical school in 2008, 18 years ago.
Does Dr. Seyed Mahdi Abtahi do research?
Dmand AI links 1 publication to Dr. Abtahi.
Who does Dr. Seyed Mahdi Abtahi publish with?
Dr. Abtahi's most frequent co-authors are Sheela Agarwal, MD (1 shared paper), Joseph R. Grajo, MD (1 shared paper) and Peter Florin Hahn, MD, PhD (1 shared paper).
What insurance does Dr. Seyed Mahdi Abtahi accept?
Dr. Abtahi is in network with 8 carriers, including Elevance, United Healthcare and Alliant Health Plans. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
Selling to diagnostic radiology practices?
See diagnostic radiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card