Doctor profile · Federal record

Dr. Brenna Chalmers, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Los Angeles, CA

  • NPI 1306182530
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 San Pablo St, 2Nd Floor
Los Angeles, CA 900335313
(323) 442-8541
fax (323) 442-8755
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
July 2, 2015
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A118885

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306182530. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,481
Distinct HCPCS
10
Medicare allowed
$166,872
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 650 650 $38
77063 Screening 3d breast mammography 644 644 $30
71045 X-ray of chest, 1 view 559 459 $9
77067 Screening mammography 386 386 $38
77063 Screening 3d breast mammography 385 385 $30
70450 Ct scan head or brain without contrast 211 202 $42
74176 Ct scan of abdomen and pelvis without contrast 167 163 $87
76641 Complete ultrasound scan of 1 breast 142 140 $49
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 137 131 $30
77065 Diagnostic mammography of 1 breast 125 116 $40

In context: peer comparison

Among 177 peers in this city , average services per provider: 296. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $18.62

By nature of payment

Food and Beverage
$19

Frequently asked questions

Auto-generated from federal data
What is Dr. Brenna Chalmers's medical specialty?
Dr. Brenna Chalmers practices Diagnostic Radiology Physician in Los Angeles, CA.
Where does Dr. Brenna Chalmers practice?
Dr. Brenna Chalmers practices at 1500 San Pablo St, Los Angeles, CA 900335313. Office phone: 3234428541.
What is Dr. Brenna Chalmers's NPI?
Dr. Brenna Chalmers's National Provider Identifier (NPI) is 1306182530, issued by NPPES.
Does Dr. Brenna Chalmers accept Medicare assignment?
Yes. Dr. Brenna Chalmers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brenna Chalmers commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.