Dr. Gregory P. Ching, MD
- Medicare services, 2023
- 12
- Medicare patients, 2024
- 59
- Hospital affiliations
- 1
- Industry payments
- $22
- Medical group
- 1
- Practice address
- 999 San Bernardino Road, Upland, CA 91786
- Practice phone
- Call (909) 985-2811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ching's professional email, personal email and mobile number
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Dr. Gregory P. Ching is an anesthesiologist in Upland, California
Dr. Ching practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Dr. Ching's NPI, 1871523332, was assigned on July 3, 2006. Dr. Ching graduated from Loma Linda University School Of Medicine in 1992. Dr. Ching holds California license G78025.
- NPI
- 1871523332NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244376374
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 985-2811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory P. Ching practices at San Antonio Regional Hospital in Upland, California
Dr. Ching's primary practice is San Antonio Regional Hospital, at 999 San Bernardino Road, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-2811.
- San Antonio Regional Hospital999 San Bernardino Road, Upland, CA 91786 · San Bernardino CountyPhone(909) 985-2811
Source: Dmand AI Affiliation Data
Dr. Gregory P. Ching is affiliated with 1 site of care and 1 medical group
Dr. Ching's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. The medical group on file is Allied Anesthesia Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory P. Ching's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ching practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Antonio Regional Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across San Antonio Regional Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory P. Ching is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ching's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ching is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Ching is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Ching
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory P. Ching billed Medicare for 12 services in 2023
CMS data shows 12 Medicare services from Dr. Ching across 1 procedure code in 2023, for 59 Medicare patients. Medicare paid $3,078 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ching's Medicare services by type, 2019 to 2023
- 2019
- 2023
- Anesthesia
- 2019: 242023: 1250%
Dr. Ching compared with the California median for anesthesiologists, 2023
- Dr. Ching
- California median
- Medicare services
- 12vs 7283% below
- Medicare patients
- 59vs 14359% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ching's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ching?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ching and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory P. Ching treated 59 Medicare patients in 2024, average age 72
CMS counts 59 Medicare patients who saw Dr. Ching in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.27, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ching's median patient age at 67, with 71% women.
Dr. Ching's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ching's Medicare patients by sex, 2024
- Women3153%
- Men2847%
Chronic conditions among Dr. Ching's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease42%
- Diabetes42%
- Arthritis36%
- Ischemic heart disease32%
- Anxiety25%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ching's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory P. Ching takes part in Medicare
Dr. Ching accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory P. Ching received $22 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Ching from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Haemonetics Corporation paid the most, $22.
Companies that paid Dr. Ching the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory P. Ching graduated from Loma Linda University School Of Medicine
Dr. Ching graduated from Loma Linda University School Of Medicine in 1992.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Gregory P. Ching accepts plans from 1 insurance carrier
Dr. Ching is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory P. Ching's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory P. Ching
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory P. Ching's NPI number?
Dr. Gregory P. Ching's NPI number is 1871523332. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory P. Ching?
Dr. Gregory P. Ching is an anesthesiologist in Upland, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory P. Ching practice?
Dr. Ching practices at 999 San Bernardino Road, Upland, CA 91786. Dr. Ching's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
What is Dr. Gregory P. Ching's office phone number?
The practice phone on file for Dr. Ching is (909) 985-2811.
What is Dr. Gregory P. Ching's medical license number?
Dr. Ching holds California license G78025.
Which hospitals is Dr. Gregory P. Ching affiliated with?
Dr. Ching practices at San Antonio Regional Hospital in Upland, California.
What medical group is Dr. Gregory P. Ching part of?
Dr. Ching is linked to Allied Anesthesia Medical Group.
Does Dr. Gregory P. Ching accept Medicare?
Yes. CMS data shows Dr. Ching billed Medicare for 12 services in 2023, and Dr. Ching accepts Medicare assignment.
How many Medicare patients does Dr. Gregory P. Ching see?
CMS counts 59 Medicare patients who saw Dr. Ching in 2024, with an average age of 72.
Is Dr. Gregory P. Ching board certified?
Yes. Dr. Ching is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Gregory P. Ching bill to Medicare?
In 2023, Dr. Ching's most billed Medicare services were anesthesia (00790).
Where did Dr. Gregory P. Ching go to medical school?
Dr. Ching graduated from Loma Linda University School Of Medicine in 1992.
Has Dr. Gregory P. Ching received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Ching from 1 company from 2021 to 2021. The largest total came from Haemonetics Corporation.
How long has Dr. Gregory P. Ching been practicing?
Dr. Ching graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Gregory P. Ching accept?
Dr. Ching is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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