Doctor profile · Federal record

Dr. Mark Chambers, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Saint Louis, MO

  • NPI 1699988816
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
615 S New Ballas RD, Dept of Radiology
Saint Louis, MO 631418221
(314) 251-6031
fax (314) 251-6343
Mailing address
11475 Olde Cabin RD, Suite 200
Saint Louis, MO 631417128

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
February 8, 2016
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Missouri #2007006284 · Illinois #36117741
Medicaid
MO #1699988816

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699988816. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,425
Distinct HCPCS
10
Medicare allowed
$110,851
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 731 731 $36
77063 Screening 3d breast mammography 680 680 $29
71045 X-ray of chest, 1 view 324 311 $9
77067 Screening mammography 191 191 $36
77063 Screening 3d breast mammography 189 189 $29
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 147 146 $29
71046 X-ray of chest, 2 views 105 105 $10
77065 Diagnostic mammography of 1 breast 96 92 $38
74177 Ct scan of abdomen and pelvis with contrast 85 85 $85
76642 Limited ultrasound scan of 1 breast 83 83 $35

In context: peer comparison

Among 146 peers in Saint Louis Diagnostic Radiology Physician, average services per provider: 96. This provider delivers 36× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Chambers's medical specialty?
Dr. Mark Chambers practices Diagnostic Radiology Physician in Saint Louis, MO.
Where does Dr. Mark Chambers practice?
Dr. Mark Chambers practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 3142516031.
What is Dr. Mark Chambers's NPI?
Dr. Mark Chambers's National Provider Identifier (NPI) is 1699988816, issued by NPPES.
Does Dr. Mark Chambers accept Medicare assignment?
Yes. Dr. Mark Chambers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Chambers 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.