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Mark Flannery, D.C.
NPI 1902076482 · Nutrition Chiropractor · Simi Valley, CA
Mark Flannery, D.C. is a Nutrition Chiropractor provider in Simi Valley, CA (NPI 1902076482).
Provider details
- NPI number
- 1902076482
- Entity type
- Individual
- Primary specialty
- Nutrition ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 30513 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1919 Williams St
Suite 250
Simi Valley, CA 93065-2859
Phone: (805) 991-7455
Fax: (805) 991-7466
Street-level locationGet directions
Mailing address
1919 Williams St
Simi Valley, CA 93065-2859
Registry dates
- Enumerated
- 2008-03-11
- Last updated
- 2008-03-11
Frequently asked questions
- What is Mark Flannery's NPI number?
- Mark Flannery's National Provider Identifier (NPI) is 1902076482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Flannery's specialty?
- Mark Flannery is listed in the NPPES registry with a primary specialty of Nutrition Chiropractor (Chiropractic Providers).
- Where is Mark Flannery located?
- Mark Flannery's practice location on file with NPPES is 1919 Williams St, Simi Valley, CA 93065-2859.
- What is Mark Flannery's phone number?
- The practice phone number listed in the NPPES registry for Mark Flannery is (805) 991-7455.
- Is Mark Flannery's NPI active?
- Yes — Mark Flannery's NPI (1902076482) is active in the NPPES registry as of the last update on 2008-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.