Quick answers
- Does Seyed Mahdi Abtahi accept Medicare assignment?
- Yes. Medicare's clinician data says Seyed Mahdi Abtahi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Seyed Mahdi Abtahi see?
- In 2024, CMS data shows 3,589 Original Medicare patients and 28,576 services for Seyed Mahdi Abtahi. This counts Original Medicare only and measures volume, not quality.
- What is Seyed Mahdi Abtahi's NPI number?
- 1437564135. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Seyed Mahdi Abtahi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 3,589 |
|---|---|
| Services billed to Medicare | 28,576 |
| Different services or procedures | 191 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)13,900 services
- Injection, gadoterate meglumine, 0.1 ml (A9575)8,720 services
- X-ray of chest, 1 view (71045)1,240 services
- Ct scan head or brain without contrast (70450)350 services
- Screening mammography (77067)264 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease43%
- Diabetes39%
- Depression32%
Hospitals where Seyed Mahdi Abtahi works
Medicare's Facility Affiliation Data lists Seyed Mahdi Abtahi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health BakersfieldBakersfield, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050455
- Adventist Health DelanoDelano, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050608
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050236
- Adventist Health Tehachapi ValleyTehachapi, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051301
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050549
Practice locations
Addresses where Seyed Mahdi Abtahi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1100 Magellan DrTehachapi, CA 93561 (661) 823‑3000
- 1201 S Hope St, Apt 2525Los Angeles, CA 90015 (855) 504‑4544
- 1401 Garces HwyDelano, CA 93215 (661) 725‑4800
- 16130 Ventura Blvd, Suite 100Encino, CA 91436 (818) 933‑2020
- 227 W Janss Rd, Suite 150Thousand Oaks, CA 91360 (805) 496‑7755
Group practices
Medicare enrollment lists Seyed Mahdi Abtahi as a member of these groups (CMS data updated October 2, 2026).
- Beverly Radiology Medical Group III328 clinicians in the group
- San Joaquin Community Hospital59 clinicians in the group
- Adventist Health Delano45 clinicians in the group
- Adventist Health Medical Center Tehachapi44 clinicians in the group
- West Valley Radiology Medical Group Inc43 clinicians in the group
- Thousand Oaks Diagnostic Imaging Center11 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Tehachapi
Clinicians with the same Medicare primary specialty in Tehachapi, CA — not a recommendation.
Other clinicians in Beverly Radiology Medical Group III
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437564135 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians