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Ellen Marzan, D.C.
NPI 1316159049 · Chiropractor · Hercules, CA
Ellen Marzan, D.C. is a Chiropractor provider in Hercules, CA (NPI 1316159049).
Provider details
- NPI number
- 1316159049
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- DC29801 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1500 Sycamore Ave
Suite B14
Hercules, CA 94547-1775
Phone: (510) 799-3760
Fax: (510) 799-3744
Street-level locationGet directions
Mailing address
100 Zircon Ct
Hercules, CA 94547-1743
Registry dates
- Enumerated
- 2007-05-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ellen Marzan's NPI number?
- Ellen Marzan's National Provider Identifier (NPI) is 1316159049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Marzan's specialty?
- Ellen Marzan is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Ellen Marzan located?
- Ellen Marzan's practice location on file with NPPES is 1500 Sycamore Ave, Hercules, CA 94547-1775.
- What is Ellen Marzan's phone number?
- The practice phone number listed in the NPPES registry for Ellen Marzan is (510) 799-3760.
- Is Ellen Marzan's NPI active?
- Yes — Ellen Marzan's NPI (1316159049) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.