Doctor profile · Federal record

Dr. Christopher Baker, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Worcester, MA

  • NPI 1194783035
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3850
fax (508) 334-9108
Additional location
60 Hospital RD
Leominster, MA 014532205
(978) 466-2685
fax (978) 466-2746
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 18, 2021
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #71189
Medicaid
MA #110047361A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194783035. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
923
Distinct HCPCS
10
Medicare allowed
$30,981
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 188 188 $37
77067 Screening mammography 108 108 $37
76770 Complete ultrasound scan behind abdominal cavity 82 82 $35
77063 Screening 3d breast mammography 82 82 $29
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 65 65 $29
76705 Limited ultrasound scan of abdomen 51 51 $29
74221 Double contrast x-ray of esophagus 50 50 $34
76536 Ultrasound scan of head and neck soft tissue 50 50 $28
76642 Limited ultrasound scan of 1 breast 44 44 $34
77065 Diagnostic mammography of 1 breast 42 42 $39

In context: peer comparison

Among 64 peers in this city , average services per provider: 157. This provider delivers 5.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $22.84

By nature of payment

Food and Beverage
$23

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Baker's medical specialty?
Dr. Christopher Baker practices Diagnostic Radiology Physician in Worcester, MA.
Where does Dr. Christopher Baker practice?
Dr. Christopher Baker practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343850.
What is Dr. Christopher Baker's NPI?
Dr. Christopher Baker's National Provider Identifier (NPI) is 1194783035, issued by NPPES.
Does Dr. Christopher Baker accept Medicare assignment?
Yes. Dr. Christopher Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Baker commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening mammography (HCPCS 77067); Complete ultrasound scan behind abdominal cavity (HCPCS 76770). Source: CMS Medicare Physician & Other Practitioners file.