Doctor profile · Federal record

Dr. John Walker, D.O.

Anesthesiology Physician (CMS: Anesthesiology) · Pain Medicine (Anesthesiology) Physician · Somerset, NJ

  • NPI 1013974500
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
285 Davidson Ave, Suite 204
Somerset, NJ 088734153
(732) 271-1400
fax (732) 271-3543

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
February 27, 2018
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
New Jersey #MB56549
Medicaid
NJ #6269907

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013974500. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
272
Distinct HCPCS
3
Medicare allowed
$28,372
HCPCS Description Services Patients Avg allowed
00104 Anesthesia for electroshock therapy 245 82 $104
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 14 14 $73
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 13 13 $136

In context: peer comparison

Among 19 peers in Somerset Anesthesiology Physician, average services per provider: 41. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$124
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 1 $84.54
Ambu INC. 1 $25.21
Avanos Medical 1 $14.35

By nature of payment

Food and Beverage
$124

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Walker's medical specialty?
Dr. John Walker practices Anesthesiology Physician in Somerset, NJ.
Where does Dr. John Walker practice?
Dr. John Walker practices at 285 Davidson Ave, Somerset, NJ 088734153. Office phone: 7322711400.
What is Dr. John Walker's NPI?
Dr. John Walker's National Provider Identifier (NPI) is 1013974500, issued by NPPES.
Does Dr. John Walker accept Medicare assignment?
Yes. Dr. John Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Walker commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for electroshock therapy (HCPCS 00104); Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (HCPCS 64448); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.