Doctor profile · Federal record

Dr. Mark Ashkan, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Harbor City, CA

  • NPI 1336375021
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25825 Vermont Ave
Harbor City, CA 907103518
(510) 717-4999

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
December 6, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A128351

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336375021. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
4
Medicare allowed
$1,745
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 45 39 $9
70450 Ct scan head or brain without contrast 20 20 $43
76705 Limited ultrasound scan of abdomen 12 12 $29
71046 X-ray of chest, 2 views 11 11 $11

In context: peer comparison

Among 2 peers in Harbor City Diagnostic Radiology Physician, average services per provider: 20. This provider delivers 4.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Ashkan's medical specialty?
Dr. Mark Ashkan practices Diagnostic Radiology Physician in Harbor City, CA.
Where does Dr. Mark Ashkan practice?
Dr. Mark Ashkan practices at 25825 Vermont Ave, Harbor City, CA 907103518. Office phone: 5107174999.
What is Dr. Mark Ashkan's NPI?
Dr. Mark Ashkan's National Provider Identifier (NPI) is 1336375021, issued by NPPES.
Does Dr. Mark Ashkan accept Medicare assignment?
Yes. Dr. Mark Ashkan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Ashkan commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Limited ultrasound scan of abdomen (HCPCS 76705). Source: CMS Medicare Physician & Other Practitioners file.