Gregory Ching, M.D.
NPI 1871523332 · Anesthesiology Physician · Upland, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ching, M.D. is a Anesthesiology Physician provider in Upland, CA (NPI 1871523332).
Provider details
- NPI number
- 1871523332
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G78025 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-03
- Last updated
- 2015-02-19
Frequently asked questions
- What is Gregory Ching's NPI number?
- Gregory Ching's National Provider Identifier (NPI) is 1871523332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ching's specialty?
- Gregory Ching is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ching located?
- Gregory Ching's practice location on file with NPPES is 999 San Bernardino Rd, Upland, CA 91786-4920.
- What is Gregory Ching's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ching is (909) 920-4851.
- Does Gregory Ching accept Medicare?
- Gregory Ching is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ching's NPI active?
- Yes — Gregory Ching's NPI (1871523332) is active in the NPPES registry as of the last update on 2015-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.