Doctor profile · Federal record

Dr. William Caddoo, DC

Chiropractor (CMS: Chiropractic) · Waltham, MA

  • NPI 1417037391
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
564 Main Street
Waltham, MA 02452
(781) 894-8880
fax (781) 894-1121

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 18, 2013
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Massachusetts #2554

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417037391. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
720
Distinct HCPCS
2
Medicare allowed
$24,419
HCPCS Description Services Patients Avg allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions 526 83 $30
98941 Chiropractic manipulative treatment, 3-4 spinal regions 194 23 $44

In context: peer comparison

Among 3 peers in this city , average services per provider: 266. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Caddoo's medical specialty?
Dr. William Caddoo practices Chiropractor in Waltham, MA.
Where does Dr. William Caddoo practice?
Dr. William Caddoo practices at 564 Main Street, Waltham, MA 02452. Office phone: 7818948880.
What is Dr. William Caddoo's NPI?
Dr. William Caddoo's National Provider Identifier (NPI) is 1417037391, issued by NPPES.
Does Dr. William Caddoo accept Medicare assignment?
Yes. Dr. William Caddoo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Caddoo commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940); Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.