Doctor profile · Federal record

Dr. Michael Brant-Zawadski, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Newport Beach, CA

  • NPI 1821042532
  • Accepts Medicare
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
One Hoag Drive
Newport Beach, CA 926634162
(949) 764-5570
fax (949) 263-0473
Mailing address
Dept la 21555
Pasadena, CA 911851555

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 12, 2007
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #G31971
Medicaid
CA #00G319710

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821042532. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
740
Distinct HCPCS
10
Medicare allowed
$40,902
HCPCS Description Services Patients Avg allowed
70450 Ct scan head or brain without contrast 166 162 $42
71045 X-ray of chest, 1 view 153 147 $9
70553 Mri scan of brain before and after contrast 79 79 $117
70551 Mri scan of brain without contrast 57 57 $75
72148 Mri scan of lower spinal canal without contrast 52 52 $75
72125 Ct scan of upper spine without contrast 33 33 $50
71046 X-ray of chest, 2 views 28 28 $11
70544 Mri scan of blood vessels of head without contrast 26 26 $61
72131 Ct scan of lower spine without contrast 26 26 $49
70549 Mri scan of blood vessels of neck before and after contrast 25 25 $89

In context: peer comparison

Among 19 peers in this city , average services per provider: 91. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cook Medical LLC 1 $16.99

By nature of payment

Food and Beverage
$17

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Brant-Zawadski's medical specialty?
Dr. Michael Brant-Zawadski practices Diagnostic Radiology Physician in Newport Beach, CA.
Where does Dr. Michael Brant-Zawadski practice?
Dr. Michael Brant-Zawadski practices at One Hoag Drive, Newport Beach, CA 926634162. Office phone: 9497645570.
What is Dr. Michael Brant-Zawadski's NPI?
Dr. Michael Brant-Zawadski's National Provider Identifier (NPI) is 1821042532, issued by NPPES.
Does Dr. Michael Brant-Zawadski accept Medicare assignment?
Yes. Dr. Michael Brant-Zawadski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Brant-Zawadski commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); X-ray of chest, 1 view (HCPCS 71045); Mri scan of brain before and after contrast (HCPCS 70553). Source: CMS Medicare Physician & Other Practitioners file.