Leonard Cianciolo, D.C.
NPI 1285777961 · Chiropractor · San Francisco, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Cianciolo, D.C. is a Chiropractor provider in San Francisco, CA (NPI 1285777961).
Provider details
- NPI number
- 1285777961
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC11180 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonard Cianciolo's NPI number?
- Leonard Cianciolo's National Provider Identifier (NPI) is 1285777961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Cianciolo's specialty?
- Leonard Cianciolo is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Leonard Cianciolo located?
- Leonard Cianciolo's practice location on file with NPPES is 3637 Sacramento St, San Francisco, CA 94118-1723.
- What is Leonard Cianciolo's phone number?
- The practice phone number listed in the NPPES registry for Leonard Cianciolo is (415) 346-2445.
- Does Leonard Cianciolo accept Medicare?
- Leonard Cianciolo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Cianciolo's NPI active?
- Yes — Leonard Cianciolo's NPI (1285777961) 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.