Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Donald F Counihan Jr., DC
Chiropractor in Waltham, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043305378
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Registry record
Entity type Individual (Type 1)
Name Dr. Donald F Counihan Jr.
Credential DC
Sex Male
Practice address 85 First Avenue, Waltham, MA, 02451
Phone (781) 895-7900
Fax (781) 290-0720
Enumeration date Oct 3, 2006
Last updated in NPPES Sep 26, 2011
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Donald Counihan?
The National Provider Identifier (NPI) for Donald Counihan is 1043305378, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donald Counihan practice?
The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-26.