Ellen Marzan, D.C.
Chiropractor · Hercules, CA
Ellen Marzan, D.C. is a chiropractor with a practice address in Hercules, California, and NPI 1316159049, issued on May 4, 2007. Check the license (California DC29801, 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
- Ellen Marzan
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC29801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Sycamore Ave, Hercules, CA 94547
- Phone
- (510) 799-3760
- Enumerated
- May 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 799-3744
- Entity
- Type 1 · individual
Also registered at 1500 Sycamore Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manuel Dizon, D.C.Chiropractor1255451969
Verify Ellen Marzan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC29801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5 chiropractor records list a practice address in Hercules
They are 5 of the 277 NPPES records with a practice address in Hercules, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5 in Hercules → All 11,498 in California → Every provider in Hercules →
Other chiropractor records in California
- Karl Aamot, D.C.Sunnyvale, CA1629296983
- Beth Aarhus, D.C.San Jose, CA1508832221
- Michael Aaron, D.C.Belmont, CA1679630735
- Thao AaronCorona, CA1821553926
- 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 Ellen Marzan, D.C.'s NPI number?
Ellen Marzan, D.C.'s National Provider Identifier (NPI) is 1316159049, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Marzan, D.C. located?
The NPPES record lists a practice address at 1500 Sycamore Ave, Hercules, CA, 94547. Phone: (510) 799-3760. Providers update this record themselves, so call before visiting.
How can I verify Ellen Marzan, D.C.'s license?
NPPES lists California license number DC29801, 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.