Charles Yuan Ho, M.D.
Family Medicine Physician · Ontario, CA
Charles Yuan Ho, M.D. is a family medicine physician with a practice address in Ontario, California, and NPI 1801902051, issued on Aug 21, 2006. Check the license (California A31364, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Yuan Ho
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A31364 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2525 S Euclid Ave, Ontario, CA 91762
- Phone
- (909) 986-2288
- Enumerated
- Aug 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (909) 986-1892
- Medicaid ID
- 00A313640 CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Charles Yuan Ho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31364Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,545 Medicare Part D claims for 459 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 276 claims were for opioids.
Most prescribed
- Atorvastatin Calcium615 claims
- Amlodipine Besylate474 claims
- Metformin Hcl313 claims
- Zolpidem Tartrate245 claims
- Hydrocodone-Acetaminophen239 claims
- Levothyroxine Sodium206 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: $322.53
12 payments; by number, the most common kind was food and beverage; the largest payer was Curonix LLC. The 55,478 providers of this specialty with any payment received $902.55 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.
Charles Yuan Ho among 17,133 family medicine physician records in California
Charles Yuan Ho, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Ontario → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joanne Benzor, MDOntario, CA 917621700977220
- Mauricio Bonilla, MDOntario, CA 917621801424866
- Vache Chakmakian, M.D.Ontario, CA 917621316974652
- Nicholas Ely, MDOntario, CA 917621770089757
- Rashmi Godugu, MDOntario, CA 917621669049391
- Chao-Ming Lin, MDOntario, CA 917621457428351
- Luis A Lomeli, M.D.Ontario, CA 917621124261896
- Naila Mubashar, M.DOntario, CA 917621376906719
Common questions
What is Charles Yuan Ho, M.D.'s NPI number?
Charles Yuan Ho, M.D.'s National Provider Identifier (NPI) is 1801902051, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Yuan Ho, M.D. located?
The NPPES record lists a practice address at 2525 S Euclid Ave, Ontario, CA, 91762. Phone: (909) 986-2288. Providers update this record themselves, so call before visiting.
How can I verify Charles Yuan Ho, M.D.'s license?
NPPES lists California license number A31364, 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 Charles Yuan Ho, M.D. prescribe under Medicare Part D?
In 2024, Charles Yuan Ho, M.D. had 7,545 Medicare Part D claims for 459 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.