Steven Patrick Underwood, DDS
General Practice Dentistry · Fountain Valley, CA
Steven Patrick Underwood, DDS is a general practice dentistry with a practice address in Fountain Valley, California, and NPI 1093705139, issued on Oct 27, 2005. Check the license (California 26712, 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
- Steven Patrick Underwood
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 26712 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18430 Brookhurst St, Fountain Valley, CA 92708
- Phone
- (714) 963-4774
- Enumerated
- Oct 27, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (714) 962-8838
- Entity
- Type 1 · individual
Also registered at 18430 Brookhurst St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Kato, D.D.S.General Practice Dentistry1881798825
- Sanford Koyama, O.D.Optometrist1346233798
Verify Steven Patrick Underwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 26712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43 general practice dentistry records list a practice address in Fountain Valley
They are 43 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 43 in Fountain Valley → All 17,852 in California → Every provider in Fountain Valley →
Other general practice dentistry records in California
- Ronald Aanerud, DDSSan Diego, CA1871752931
- Steven Aaronson, D.D.S.Santa Monica, CA1265455851
- Shahrzad Aarup, DDSPomona, CA1265784367
- Al Abad, DDSSan Jose, CA1104992148
- Erwin Abad, D.D.S.Canoga Park, CA1861590093
- Francine Abad, DDSSan Francisco, CA1942700810
- Maria Abad, D.D.S.Norwalk, CA1215006754
- Mark Ryan Abad, DDSDaly City, CA1770357394
- Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
- Ernesto Abadilla, DDSPalm Desert, CA1508063801
Common questions
What is Steven Patrick Underwood, DDS's NPI number?
Steven Patrick Underwood, DDS's National Provider Identifier (NPI) is 1093705139, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven Patrick Underwood, DDS located?
The NPPES record lists a practice address at 18430 Brookhurst St, Fountain Valley, CA, 92708. Phone: (714) 963-4774. Providers update this record themselves, so call before visiting.
How can I verify Steven Patrick Underwood, DDS's license?
NPPES lists California license number 26712, 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.