Steven Grant Seifert, D.C.
Chiropractor · Irvine, CA
Steven Grant Seifert, D.C. is a chiropractor with a practice address in Irvine, California, and NPI 1396828232, issued on Oct 23, 2006. Check the license (California DC12276, 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 Grant Seifert
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC12276 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4505 Barranca Pkwy, Irvine, CA 92604
- Phone
- (949) 551-8002
- Enumerated
- Oct 23, 2006
- Record last updated
- Oct 4, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 551-1281
- Entity
- Type 1 · individual
Also registered at 4505 Barranca Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manj Sandhu, D.C.Chiropractor1235322868
- Joan SprickAudiologist-Hearing Aid Fitter1295768414
- Elizabeth TuckerHearing Instrument Specialist1134135296
Verify Steven Grant Seifert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC12276Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
136 chiropractor records list a practice address in Irvine
They are 136 of the 7,778 NPPES records with a practice address in Irvine, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 136 in Irvine → All 11,498 in California → Every provider in Irvine →
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- Marianne Abate-Beavers, DCRocklin, CA1124139431
- Dilojan Abayaratna, D.C.Los Angeles, CA1659312957
- Jordan Abbass, DCLong Beach, CA1275106528
- David Abblett, DCNapa, CA1275529398
- Bridget Abbott, DCDanville, CA1790508547
- Nicholas Abboud, DCMoreno Valley, CA1851134365
Common questions
What is Steven Grant Seifert, D.C.'s NPI number?
Steven Grant Seifert, D.C.'s National Provider Identifier (NPI) is 1396828232, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Grant Seifert, D.C. located?
The NPPES record lists a practice address at 4505 Barranca Pkwy, Irvine, CA, 92604. Phone: (949) 551-8002. Providers update this record themselves, so call before visiting.
How can I verify Steven Grant Seifert, D.C.'s license?
NPPES lists California license number DC12276, 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.