Calvin Gong, DC
NPI 1255436952 · Chiropractor · San Francisco, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Gong, DC is a Chiropractor provider in San Francisco, CA (NPI 1255436952).
Provider details
- NPI number
- 1255436952
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 21698 (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
- 2006-09-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Calvin Gong's NPI number?
- Calvin Gong's National Provider Identifier (NPI) is 1255436952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Gong's specialty?
- Calvin Gong is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Calvin Gong located?
- Calvin Gong's practice location on file with NPPES is 2335 Irving St, San Francisco, CA 94122-1620.
- What is Calvin Gong's phone number?
- The practice phone number listed in the NPPES registry for Calvin Gong is (415) 681-3883.
- Does Calvin Gong accept Medicare?
- Calvin Gong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Gong's NPI active?
- Yes — Calvin Gong's NPI (1255436952) 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.