Doctor profile · Federal record

Dr. Jennifer Walker, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Cardiac Surgery) · Worcester, MA

  • NPI 1710978267
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3278
fax (508) 334-7284
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 16, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Massachusetts #204879
Medicaid
MA #110001141A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710978267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
367
Distinct HCPCS
8
Medicare allowed
$170,728
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 163 163 $183
33361 Replacement of aortic valve through the skin and femoral artery 57 57 $745
76998 Ultrasonic guidance during surgery 49 49 $62
33533 Coronary artery bypass using artery graft, 1 graft 35 35 $1,617
99215 Established patient office or other outpatient visit, 40-54 minutes 22 22 $146
33405 Replacement of aortic valve on heart-lung machine 15 15 $1,873
33517 Coronary artery bypass using vein or artery graft, 1 graft 14 14 $184
33518 Coronary artery bypass using vein or artery graft, 2 grafts 12 12 $404

In context: peer comparison

Among 5 peers in this city , average services per provider: 29. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
131
Patients
28
Total drug cost
$13,574
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 40 14 $1,167
Metoprolol Succinate Generic 30 14 $672
Furosemide Generic 19 0 $120
Metoprolol Tartrate Generic 19 0 $218
Eliquis (Apixaban) Brand 12 0 $11,332
Lisinopril Generic 11 0 $65

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Walker's medical specialty?
Dr. Jennifer Walker practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Worcester, MA.
Where does Dr. Jennifer Walker practice?
Dr. Jennifer Walker practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343278.
What is Dr. Jennifer Walker's NPI?
Dr. Jennifer Walker's National Provider Identifier (NPI) is 1710978267, issued by NPPES.
Does Dr. Jennifer Walker accept Medicare assignment?
Yes. Dr. Jennifer Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Walker commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Replacement of aortic valve through the skin and femoral artery (HCPCS 33361); Ultrasonic guidance during surgery (HCPCS 76998). Source: CMS Medicare Physician & Other Practitioners file.