Gregory Ching, M.D.
Anesthesiology Physician · Upland, CA
Gregory Ching, M.D. is an anesthesiology physician with a practice address in Upland, California, and NPI 1871523332, issued on Jul 3, 2006. Check the license (California G78025, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Ching
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G78025 CA
Self-reported in NPPES; status is on the state search - Practice location
- 999 San Bernardino RD, Upland, CA 91786
- Phone
- (909) 920-4851
- Enumerated
- Jul 3, 2006
- Record last updated
- Feb 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (909) 949-3970
- Medicaid ID
- 00G780250 CA
- Medicare enrollment
- Enrolled (PECOS I20091005000103); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 999 San Bernardino RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmed Al-WaisiInternal Medicine Physician1871115709
- Donald Alpiner, DOSurgery Physician1811086952
- Alexander ArzooStudent in an Organized Health Care Education/Training Program1891635629
- Liezl Avila, D.O.Emergency Medicine Physician1487064515
Verify Gregory Ching in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Allied Anesthesia Medical Group IncUpland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Ching among 7,571 anesthesiology physician records in California
Gregory Ching, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1992 · median 2006 among the 4,868 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 anesthesiology physician records list a practice address in Upland
They are 23 of the 1,846 NPPES records with a practice address in Upland, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Upland → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Karen Brichta, M.D.Upland, CA 917861790729135
- Perry Carney, M.D.Upland, CA 917861760418875
- Mark Chen, DOUpland, CA 917861568417152
- George Cheng, M.D.Upland, CA 917861316981855
- Christine Chow, MDUpland, CA 917861164458733
- Caleb Chu, M.D.Upland, CA 917861447291836
- Edward Digiamarino, M.D.Upland, CA 917861801830211
- Russell Dorado, M.D.Upland, CA 917861316982507
Common questions
What is Gregory Ching, M.D.'s NPI number?
Gregory Ching, M.D.'s National Provider Identifier (NPI) is 1871523332, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ching, M.D. located?
The NPPES record lists a practice address at 999 San Bernardino RD, Upland, CA, 91786. Phone: (909) 920-4851. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ching, M.D.'s license?
NPPES lists California license number G78025, 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.
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.