1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Chiropractor
  6. NPI Profile

GREGG J. CARB D.C.
NPI 1306956792
Chiropractor in San Francisco, CA

Active since August 30, 2006Accepts Medicare Assignment
220 SANSOME ST STE 530, SAN FRANCISCO, CA 94104(415) 362-5092(415) 362-1722 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gregg J. Carb D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGG J. CARB D.C. (NPI 1306956792) is an individual chiropractor in San Francisco, California, licensed in California (DC0170470) and active in the NPI registry since August 2006. He is a graduate of Cleveland Chiropractic College - Los Angeles (1985).

NPPES Registry Identity

NPI1306956792
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameGREGG J. CARBCredential: D.C.
Location Address220 SANSOME ST STE 530San Francisco, CA 94104-2720
Mailing Address220 Sansome St Ste 530San Francisco, CA 94104-2720 · (415) 362-5092 · Fax (415) 362-1722
Phone(415) 362-5092
Fax(415) 362-1722
Sole ProprietorNo
Medical School CMSCleveland Chiropractic College - Los AngelesGraduated 1985
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1306956792 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in CA · DC0170470
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
220 SANSOME ST STE 530, San Francisco, CA 94104
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregg J. Carb D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022918390
PECOS Enrollment IDI20040112000243

Medicare Billing Reassignment

Medicare enrollment records show Gregg Carb reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gregg J. Carb Chiropractic
Same address
Chiropractor
220 SANSOME ST STE 530
San Francisco, CA 94104
  • Reassigned Medicare billing, California enrollment
NPI 1891921326 (415) 362-5092

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GREGG J. CARB CHIROPRACTIC
Chiropractor
220 SANSOME ST STE 530
SAN FRANCISCO, CA 94104
San Francisco County (415) 362-5092

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregg Carb's NPI number?

The NPI number for Gregg Carb is 1306956792. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Gregg Carb located?

Gregg Carb practices at 220 Sansome St Ste 530, San Francisco, CA 94104. The listed phone number is (415) 362-5092.

What is Gregg Carb's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Gregg Carb enrolled in Medicare?

Yes. Gregg Carb is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gregg Carb's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Carb reassigns Medicare benefits to Gregg J. Carb Chiropractic (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregg Carb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregg Carb was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.