Charlotte Ching, MD
Gastroenterology Physician · San Francisco, CA
Charlotte Ching, MD is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1407475312, issued on Apr 10, 2020. Check the license (California A186738, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charlotte Ching
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A186738 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 Divisadero St Ste 120, San Francisco, CA 94115
- Phone
- (415) 502-4444
- Enumerated
- Apr 10, 2020
- Record last updated
- May 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20260611004044); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 2020
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1701 Divisadero St Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Abellana, NPNurse Practitioner1699481523
- Darrell Bailey, FNPFamily Nurse Practitioner1255169629
- Priya Kathpalia, M.D.Gastroenterology Physician1194046821
- Ruzbeh MosadeghiGastroenterology Physician1700319084
- Natalia WagnerFamily Nurse Practitioner1538764105
Verify Charlotte Ching in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A186738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average gastroenterology physician in 2024
70 Medicare Part D claims for 35 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Charlotte Ching among 2,140 gastroenterology physician records in California
Charlotte Ching, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 98% of them.
- NPI issued2020 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2020 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in San Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Douglas Corley, MDSan Francisco, CA 941151598843138
- Edward Doo, MDSan Francisco, CA 941151295837243
- Yao Heng, MDSan Francisco, CA 941151225116825
- Steven Jacobsohn, M.D.San Francisco, CA 941151639104151
- Wolfgang Korn, MDSan Francisco, CA 941151235187055
- Uma Mahadevan, MDSan Francisco, CA 941151851355283
- Jane Melnick, MDSan Francisco, CA 941151124049879
- Aristotle Mendiola, M.D.San Francisco, CA 941151871518266
Common questions
What is Charlotte Ching, MD's NPI number?
Charlotte Ching, MD's National Provider Identifier (NPI) is 1407475312, issued on Apr 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Charlotte Ching, MD located?
The NPPES record lists a practice address at 1701 Divisadero St Ste 120, San Francisco, CA, 94115. Phone: (415) 502-4444. Providers update this record themselves, so call before visiting.
How can I verify Charlotte Ching, MD's license?
NPPES lists California license number A186738, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charlotte Ching, MD prescribe under Medicare Part D?
In 2024, Charlotte Ching, MD had 70 Medicare Part D claims for 35 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.