NPPES file of Aug 9, 2026

William H. Caddoo, DC

Chiropractor · Waltham, MA

William H. Caddoo, DC is a chiropractor with a practice address in Waltham, Massachusetts, and NPI 1417037391, issued on Oct 16, 2006. Check the license (Massachusetts 2554, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417037391
Name
William H. Caddoo
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License number
2554 MA
Self-reported in NPPES; status is on the state search
Practice location
564 Main Street, Waltham, MA 02452
Phone
(781) 894-8880
Enumerated
Oct 16, 2006
Record last updated
Jun 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(781) 894-1121
Medicare enrollment
Enrolled (PECOS I20050309000333); accepts Medicare assignment
Medical or professional school
New York Chiropractic College, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 564 Main Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Julie Caruth, M.D.Family Medicine Physician1659470839

Verify William H. Caddoo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 2554
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Patient First Chiropractic And Physical Therapy PCWaltham, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William H. Caddoo among 1,577 chiropractor records in Massachusetts

William H. Caddoo, DC is one of 1,577 chiropractor records with a practice address in Massachusetts. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 17% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2000 · median 1999 among the 713 with a school on file
  • Record last updated2013 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Chiropractor providers in Massachusetts

There are 1,577 chiropractor records in Massachusetts.

The 8 chiropractor records with the nearest ZIP codes

  1. Peter Bogart, DCWaltham, MA 024521306827779
  2. Maryellen O'Connor, D.C.Waltham, MA 024521093804791
  3. Kendra Carnevale, D.C.Waltham, MA 024511689782898
  4. Donald Counihan, DCWaltham, MA 024511043305378
  5. John Duffy, D.C.Waltham, MA 024511942481627
  6. Shelley Reimer, D.C.Waltham, MA 024531710990213
  7. Parrish Rice, D.C.Waltham, MA 024531497774863
  8. Roberta Stack, D.C.Waltham, MA 024531588711766

Common questions

What is William H. Caddoo, DC's NPI number?

William H. Caddoo, DC's National Provider Identifier (NPI) is 1417037391, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William H. Caddoo, DC located?

The NPPES record lists a practice address at 564 Main Street, Waltham, MA, 02452. Phone: (781) 894-8880. Providers update this record themselves, so call before visiting.

How can I verify William H. Caddoo, DC's license?

NPPES lists Massachusetts license number 2554, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.