NPI Portal NPI Lookup & Verification

David M Hamilton, DC

David M Hamilton is a Chiropractor provider (Chiropractor) practicing in Berkeley, CA, registered in the NPPES registry with NPI 1720112089 since 2007. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1720112089
Entity type Individual (Type 1)
Name David M Hamilton
Credential DC
Sex Male
Practice address Berkeley, CA, 94706
Phone 5105263362
Enumeration date 2007-03-16
Last updated in NPPES 2008-05-06

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Primary 11066 CA

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Copy-ready billing details
Provider: David Hamilton, DC
NPI: 1720112089
Taxonomy: 111N00000X (Chiropractor)
Address: Berkeley, CA, 94706

Other providers at this practice address

NPI Name Type Specialty Location
1811019805 Arsalan Rangchi Individual Dentist Berkeley, CA
1154549772 Seymour Kurtz Individual General Practice Dentistry Berkeley, CA

Verify this record

Cross-check NPI 1720112089 against the authoritative CMS record: view David M Hamilton on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is David Hamilton?
David Hamilton is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2008-05-06.