Doctor profile · Federal record

Dr. David Thio, MD

Internal Medicine Physician (CMS: Internal Medicine) · Riverside, CA

  • NPI 1548244965
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7117 Brockton Ave
Riverside, CA 925062615
(951) 782-3619
fax (951) 784-3269

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 11, 2025
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G80273

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548244965. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
688
Distinct HCPCS
7
Medicare allowed
$83,699
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 436 141 $132
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 71 71 $133
G0444 Annual depression screening, 5 to 15 minutes 68 68 $19
99213 Established patient office or other outpatient visit, 20-29 minutes 57 41 $94
99215 Established patient office or other outpatient visit, 40-54 minutes 31 26 $185
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $172
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 11 11 $170

In context: peer comparison

Among 41 peers in Riverside Internal Medicine Physician, average services per provider: 160. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,539
Patients
1,264
Total drug cost
$74,363
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 575 159 $8,902
Losartan Potassium Generic 440 132 $6,279
Felodipine ER (Felodipine) Brand 408 118 $15,272
Lisinopril Generic 392 109 $5,015
Levothyroxine Sodium Generic 361 90 $7,441
Metformin Hcl Generic 331 90 $4,352
Metoprolol Succinate Generic 299 74 $5,115
Omeprazole Generic 295 75 $4,693
Simvastatin Generic 249 71 $3,464
Amlodipine Besylate Generic 241 77 $2,714

Frequently asked questions

Auto-generated from federal data
What is Dr. David Thio's medical specialty?
Dr. David Thio practices Internal Medicine Physician in Riverside, CA.
Where does Dr. David Thio practice?
Dr. David Thio practices at 7117 Brockton Ave, Riverside, CA 925062615. Office phone: 9517823619.
What is Dr. David Thio's NPI?
Dr. David Thio's National Provider Identifier (NPI) is 1548244965, issued by NPPES.
Does Dr. David Thio accept Medicare assignment?
Yes. Dr. David Thio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Thio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.