Adrian Jun Yen Ng
- Medicare services, 2024
- 74
- Medicare patients, 2024
- 123
- Hospital affiliations
- 2
- Industry payments
- $37
- 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
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Adrian Jun Yen Ng is an anesthesiologist in Upland, California
Adrian Ng practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Adrian Ng's NPI, 1972044246, was assigned on March 20, 2017. Adrian Ng graduated from University of Rochester Medical Center in 2017. Adrian Ng holds California license A157053.
- NPI
- 1972044246NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052713138
- NPI enumeration date
- March 20, 2017
- 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
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Adrian Jun Yen Ng practices at San Antonio Regional Hospital in Upland, California
Adrian Ng'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
Adrian Jun Yen Ng is affiliated with 3 sites of care and 1 medical group
Adrian Ng's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Adrian Ng is also affiliated with Casa Colina Hospital and Centers for Healthcare. The medical group on file is Allied Anesthesia Medical Group. Dmand AI also links Adrian Ng to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Adrian Jun Yen Ng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Adrian Ng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Antonio Regional Hospital | Available with a free account |
| +2 more affiliated sites | 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.
Adrian Jun Yen Ng is one of 6,593 anesthesiologists in California
Anesthesiology is Adrian Ng's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Adrian Ng is board certified in anesthesiology by the American Board of Anesthesiology. Adrian Ng is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Adrian Ng
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
Adrian Jun Yen Ng billed Medicare for 74 services in 2024
CMS data shows 74 Medicare services from Adrian Ng across 5 procedure codes in 2024, for 123 Medicare patients. Medicare paid $8,266 for them. Every service was in a facility, such as a hospital, rather than an office.
Adrian Ng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 432024: 442%
- Surgery
- 2023: 292024: 303%
Adrian Ng compared with the California median for anesthesiologists, 2024
- Adrian Ng
- California median
- Medicare services
- 74vs 72Close to median
- Medicare patients
- 123vs 14314% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Adrian Ng's most billed Medicare procedure codes, 2024
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 Adrian Ng?
Medicare shows one payer. Book a meeting to get commercial claims data for Adrian Ng and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Adrian Jun Yen Ng treated 123 Medicare patients in 2024, average age 72
CMS counts 123 Medicare patients who saw Adrian Ng in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Adrian Ng's median patient age at 65, with 56% women.
Adrian Ng's Medicare patients by age, 2024
Adrian Ng's Medicare patients by sex, 2024
- Women6654%
- Men5746%
Chronic conditions among Adrian Ng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes45%
- Chronic kidney disease38%
- Ischemic heart disease28%
- Mood disorders26%
- Heart failure25%
Share of Medicare patients with each condition. A patient can have several.
Adrian Ng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Adrian Jun Yen Ng takes part in Medicare
Adrian Ng 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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Adrian Jun Yen Ng received $37 in industry payments in 2022
CMS Open Payments shows 2 general payments to Adrian Ng from 2 drug and device companies in 2022. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $19.
Companies that paid Adrian Ng the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Adrian Jun Yen Ng graduated from University of Rochester Medical Center
Adrian Ng graduated from University of Rochester Medical Center in 2017.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Adrian Jun Yen Ng accepts plans from 1 insurance carrier
Adrian Ng 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 Adrian Jun Yen Ng'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 Adrian Jun Yen Ng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Adrian Jun Yen Ng's NPI number?
Adrian Jun Yen Ng's NPI number is 1972044246. It was assigned on March 20, 2017, and it is active in the NPI Registry.
What does Adrian Jun Yen Ng specialize in?
Adrian Jun Yen Ng is an anesthesiologist in Upland, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Adrian Jun Yen Ng practice?
Adrian Ng practices at 999 San Bernardino Road, Upland, CA 91786. Adrian Ng's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dmand AI also links Adrian Ng to 1 group practice or clinic.
What is Adrian Jun Yen Ng's office phone number?
The practice phone on file for Adrian Ng is (909) 985-2811.
What is Adrian Jun Yen Ng's medical license number?
Adrian Ng holds California license A157053.
Which hospitals is Adrian Jun Yen Ng affiliated with?
Adrian Ng practices at San Antonio Regional Hospital in Upland, California. Adrian Ng is also affiliated with Casa Colina Hospital and Centers for Healthcare.
What medical group is Adrian Jun Yen Ng part of?
Adrian Ng is linked to Allied Anesthesia Medical Group.
Does Adrian Jun Yen Ng accept Medicare?
Yes. CMS data shows Adrian Ng billed Medicare for 74 services in 2024, and Adrian Ng accepts Medicare assignment.
How many Medicare patients does Adrian Jun Yen Ng see?
CMS counts 123 Medicare patients who saw Adrian Ng in 2024, with an average age of 72.
Is Adrian Jun Yen Ng board certified?
Yes. Adrian Ng is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Adrian Jun Yen Ng bill to Medicare?
In 2024, Adrian Ng's most billed Medicare services were anesthesia (00142), surgery: brain, spine and nerves (62322) and anesthesia (00731).
Where did Adrian Jun Yen Ng go to medical school?
Adrian Ng graduated from University of Rochester Medical Center in 2017.
Has Adrian Jun Yen Ng received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Adrian Ng from 2 companies from 2022 to 2022. The largest total came from Merck Sharp & Dohme Corporation.
How long has Adrian Jun Yen Ng been practicing?
Adrian Ng graduated from medical school in 2017, 9 years ago.
What insurance does Adrian Jun Yen Ng accept?
Adrian Ng 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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