Gregg J. Carb Chiropractic
NPI 1891921326 · Chiropractor · San Francisco, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg J. Carb Chiropractic is a Chiropractor organization in San Francisco, CA (NPI 1891921326).
Provider details
- NPI number
- 1891921326
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Gregg Carb, Officer(415) 362-5092
- 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
17 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
- 2009-06-10
- Last updated
- 2013-06-26
Frequently asked questions
- What is Gregg J. Carb Chiropractic's NPI number?
- Gregg J. Carb Chiropractic's National Provider Identifier (NPI) is 1891921326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregg J. Carb Chiropractic?
- Gregg J. Carb Chiropractic is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Gregg J. Carb Chiropractic located?
- Gregg J. Carb Chiropractic's practice location on file with NPPES is 220 Sansome St Ste 530, San Francisco, CA 94104-2720.
- What is Gregg J. Carb Chiropractic's phone number?
- The practice phone number listed in the NPPES registry for Gregg J. Carb Chiropractic is (415) 362-5092.
- Does Gregg J. Carb Chiropractic accept Medicare?
- Gregg J. Carb Chiropractic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gregg J. Carb Chiropractic?
- The authorized official listed on Gregg J. Carb Chiropractic's NPPES record is Gregg Carb, Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregg J. Carb Chiropractic's NPI active?
- Yes — Gregg J. Carb Chiropractic's NPI (1891921326) is active in the NPPES registry as of the last update on 2013-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.