CHARLOTTE CHING MD
NPI 1407475312
Internal Medicine - Gastroenterology in San Francisco, CA
About Charlotte Ching Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLOTTE CHING MD (NPI 1407475312) is an individual gastroenterology provider in San Francisco, California, licensed in California (A186738) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of New York Medical College (2020).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Charlotte Ching Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Charlotte Ching reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
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 Charlotte Ching's NPI number?
The NPI number for Charlotte Ching is 1407475312. It was assigned to this individual provider in the NPPES registry on April 10, 2020.
Where is Charlotte Ching located?
Charlotte Ching practices at 1701 Divisadero St Ste 120, San Francisco, CA 94115. The listed phone number is (415) 502-4444.
What is Charlotte Ching's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Charlotte Ching enrolled in Medicare?
Yes. Charlotte Ching 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 organizations bill Medicare for Charlotte Ching's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Ching reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each 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 Charlotte Ching'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 Charlotte Ching was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Charlotte Ching, MD · NPI 1407475312
Gastroenterology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 10, 2020.
## Identity
- **NPI:** 1407475312 (Entity type: Individual)
- **Enumerated:** April 10, 2020
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A186738 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1701 DIVISADERO ST STE 120, San Francisco, CA 94115-3011
- **Phone:** (415) 502-4444
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2020
## Record status
- **NPPES last updated:** May 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407475312) · Data from the CMS NPPES public registry.