Doctor profile · Federal record

Dr. John Parker, DC

Chiropractor (CMS: Chiropractic) · Hanover, MA

  • NPI 1427136746
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
793 Webster St
Hanover, MA 023391126
(781) 871-6166
fax (781) 878-7822

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Massachusetts #MA 904

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427136746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,262
Distinct HCPCS
2
Medicare allowed
$50,223
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 1,157 126 $41
98940 Chiropractic manipulative treatment, 1-2 spinal regions 105 20 $28

In context: peer comparison

Among 3 peers in Hanover Chiropractor, average services per provider: 357. This provider delivers 3.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Parker's medical specialty?
Dr. John Parker practices Chiropractor in Hanover, MA.
Where does Dr. John Parker practice?
Dr. John Parker practices at 793 Webster St, Hanover, MA 023391126. Office phone: 7818716166.
What is Dr. John Parker's NPI?
Dr. John Parker's National Provider Identifier (NPI) is 1427136746, issued by NPPES.
Does Dr. John Parker accept Medicare assignment?
Yes. Dr. John Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Parker commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.