Irene Ching, DO
Internal Medicine Physician · Sun City, CA
Irene Ching, DO is an internal medicine physician with a practice address in Sun City, California, and NPI 1013411602, issued on Mar 20, 2018. Check the license (California 20A17984, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irene Ching
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A17984 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27190 Sun City Blvd, Sun City, CA 92586
- Phone
- (951) 723-3804
- Enumerated
- Mar 20, 2018
- Record last updated
- Oct 16, 2024
- Fax
- (951) 723-3806
- Medicare enrollment
- Enrolled (PECOS I20210729000921); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 27190 Sun City Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Asamaphand, PAPhysician Assistant1487329413
- Christine Hermiz, DOFamily Medicine Physician1437687720
Verify Irene Ching in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17984Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,397 Medicare Part D claims for 1,117 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 305 claims were for opioids.
Most prescribed
- Atorvastatin Calcium698 claims
- Levothyroxine Sodium486 claims
- Amlodipine Besylate406 claims
- Losartan Potassium404 claims
- Lisinopril334 claims
- Metformin Hcl315 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.
Industry payments in 2024: $436.77
23 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rancho Family Medical Group IncMenifee, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 internal medicine physician records list a practice address in Sun City
They are 13 of the 137 NPPES records with a practice address in Sun City, and 17,696 internal medicine physician records in California.
All 13 in Sun City → All 17,696 in California → Every provider in Sun City →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Irene Ching, DO's NPI number?
Irene Ching, DO's National Provider Identifier (NPI) is 1013411602, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Irene Ching, DO located?
The NPPES record lists a practice address at 27190 Sun City Blvd, Sun City, CA, 92586. Phone: (951) 723-3804. Providers update this record themselves, so call before visiting.
How can I verify Irene Ching, DO's license?
NPPES lists California license number 20A17984, 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 Irene Ching, DO prescribe under Medicare Part D?
In 2024, Irene Ching, DO had 10,397 Medicare Part D claims for 1,117 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.