Douglas S. Gahn, DC
Chiropractor · Fountain Valley, CA
Douglas S. Gahn, DC is a chiropractor with a practice address in Fountain Valley, California, and NPI 1063627420, issued on May 11, 2007. Check the license (California DC14918, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Douglas S. Gahn
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License numbers
- DC14918 CA
14918 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8780 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 847-8989
- Enumerated
- May 11, 2007
- Record last updated
- Oct 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (714) 847-8922
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Verify Douglas S. Gahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC14918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Douglas S. Gahn among 11,498 chiropractor records in California
Douglas S. Gahn, DC is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 45% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2011 · 77% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 chiropractor records list a practice address in Fountain Valley
They are 51 of the 2,190 NPPES records with a practice address in Fountain Valley, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,498 in California → Every provider in Fountain Valley → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Gregory Brown, D.C.Fountain Valley, CA 927081770505976
- Yoorim Choi, DC, LACFountain Valley, CA 927081023039450
- Stephen Dundas, DCFountain Valley, CA 927081811909625
- Dale Fisher, D.C.Fountain Valley, CA 927081942208871
- Beate Heller, DCFountain Valley, CA 927081003890773
- Charles Hough, D.C.Fountain Valley, CA 927081104919661
- Donald Lane, D.C.Fountain Valley, CA 927081306936471
- Donald Meyer, D.C.Fountain Valley, CA 927081750470712
Common questions
What is Douglas S. Gahn, DC's NPI number?
Douglas S. Gahn, DC's National Provider Identifier (NPI) is 1063627420, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Douglas S. Gahn, DC located?
The NPPES record lists a practice address at 8780 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 847-8989. Providers update this record themselves, so call before visiting.
How can I verify Douglas S. Gahn, DC's license?
NPPES lists California license number DC14918, as entered by the provider. Search the California 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.