David Hok Ming Thio, MD
Internal Medicine Physician · Riverside, CA
David Hok Ming Thio, MD is an internal medicine physician with a practice address in Riverside, California, and NPI 1548244965, issued on Nov 30, 2005. Check the license (California G80273, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Hok Ming Thio
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G80273 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7117 Brockton Ave, Riverside, CA 92506
- Phone
- (951) 782-3619
- Enumerated
- Nov 30, 2005
- Record last updated
- Apr 11, 2025
- Fax
- (951) 784-3269
- Medicare enrollment
- Enrolled (PECOS I20081211000003); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 7117 Brockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Hok Ming Thio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G80273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,070 Medicare Part D claims for 660 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 103 claims were for opioids.
Most prescribed
- Atorvastatin Calcium507 claims
- Losartan Potassium489 claims
- Felodipine Er361 claims
- Levothyroxine Sodium310 claims
- Metformin Hcl309 claims
- Lisinopril304 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.
Bills Medicare through one group practice
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Hok Ming Thio among 17,696 internal medicine physician records in California
David Hok Ming Thio, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1993 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Allison, M.D.Riverside, CA 925061164471223
- Sarah Chae, MDRiverside, CA 925061003872169
- Stephen Colucci, MDRiverside, CA 925061245211614
- Andrew Corr, MDRiverside, CA 925061619958089
- Melanie Crane, MDRiverside, CA 925061083695456
- Leah Hopkins, MDRiverside, CA 925061548239932
- Tony Kwon, MDRiverside, CA 925061164404729
- Catherine Larson, MDRiverside, CA 925061255313060
Common questions
What is David Hok Ming Thio, MD's NPI number?
David Hok Ming Thio, MD's National Provider Identifier (NPI) is 1548244965, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Hok Ming Thio, MD located?
The NPPES record lists a practice address at 7117 Brockton Ave, Riverside, CA, 92506. Phone: (951) 782-3619. Providers update this record themselves, so call before visiting.
How can I verify David Hok Ming Thio, MD's license?
NPPES lists California license number G80273, 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 David Hok Ming Thio, MD prescribe under Medicare Part D?
In 2024, David Hok Ming Thio, MD had 9,070 Medicare Part D claims for 660 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.