Geoffrey Masci, D.C.
Chiropractor · Port Townsend, WA
Geoffrey Masci, D.C. is a chiropractor with a practice address in Port Townsend, Washington, and NPI 1346376654, issued on Feb 23, 2007. Check the license (Washington CH00001057, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Geoffrey Masci
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- CH00001057 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1233 W Sims Way, Port Townsend, WA 98368
- Phone
- (360) 385-0280
- Enumerated
- Feb 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (360) 385-5452
- Entity
- Type 1 · individual
Also registered at 1233 W Sims Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer CarlPhysical Medicine & Rehabilitation Physician1356341697
- C Davis, D.C.Chiropractor1427005404
Verify Geoffrey Masci in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license CH00001057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8 chiropractor records list a practice address in Port Townsend
They are 8 of the 601 NPPES records with a practice address in Port Townsend, and 3,006 chiropractor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8 in Port Townsend → All 3,006 in Washington → Every provider in Port Townsend →
Other chiropractor records in Washington
- Joy Aardappel, DCBurien, WA1396902508
- Joseph Aaron, DCRenton, WA1053395590
- Luke Abdelnoor, DCVancouver, WA1104655497
- Jason Ablett, DCKirkland, WA1285713339
- Wayne Abney, D.C.Shoreline, WA1154522894
- Jeffery Abrams, D.C.Seattle, WA1427162940
- Chad Abramson, D.C.Everett, WA1720157399
- Cole Adams, DCSilverdale, WA1790132769
- Kristina Adams, DCSequim, WA1609501170
- Kurt Adams, DCSilverdale, WA1023198538
Common questions
What is Geoffrey Masci, D.C.'s NPI number?
Geoffrey Masci, D.C.'s National Provider Identifier (NPI) is 1346376654, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Masci, D.C. located?
The NPPES record lists a practice address at 1233 W Sims Way, Port Townsend, WA, 98368. Phone: (360) 385-0280. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Masci, D.C.'s license?
NPPES lists Washington license number CH00001057, as entered by the provider. Search the Washington 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. 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.