Gregg Carb, D.C.
NPI 1306956792 · Chiropractor · San Francisco, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Carb, D.C. is a Chiropractor provider in San Francisco, CA (NPI 1306956792).
Provider details
- NPI number
- 1306956792
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- DC0170470 (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
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregg Carb's NPI number?
- Gregg Carb's National Provider Identifier (NPI) is 1306956792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Carb's specialty?
- Gregg Carb is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gregg Carb located?
- Gregg Carb's practice location on file with NPPES is 220 Sansome St Ste 530, San Francisco, CA 94104-2720.
- What is Gregg Carb's phone number?
- The practice phone number listed in the NPPES registry for Gregg Carb is (415) 362-5092.
- Does Gregg Carb accept Medicare?
- Gregg Carb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Carb's NPI active?
- Yes — Gregg Carb's NPI (1306956792) 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.