Doctor profile · Federal record

Dr. Jason Chou, M.D.

Nephrology Physician (CMS: Internal Medicine) · Orange, CA

  • NPI 1083051700
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S Ste 400
Orange, CA 928683201
(714) 456-5142
Mailing address
100 W California Blvd, Internal Medicine Residency Program
Pasadena, CA 911053010

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
September 15, 2017
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A125415

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083051700. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
661
Distinct HCPCS
5
Medicare allowed
$65,482
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 470 137 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 70 62 $182
99214 Established patient office or other outpatient visit, 30-39 minutes 61 25 $112
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 35 16 $125
99443 Telephone medical discussion with physician, 21-30 minutes 25 14 $97

In context: peer comparison

Among 7 peers in Orange Nephrology Physician, average services per provider: 132. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
760
Patients
243
Total drug cost
$87,762
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 136 43 $3,043
Losartan Potassium Generic 95 32 $2,443
Hydralazine Hcl Generic 79 30 $1,791
Furosemide Generic 60 22 $243
Farxiga (Dapagliflozin Propanediol) Brand 59 15 $57,481
Nifedipine ER (Nifedipine) Brand 40 14 $2,204
Sevelamer Carbonate Generic 40 12 $11,469
Cephalexin Generic 39 32 $367
Calcium Acetate Generic 38 14 $6,564
Tamsulosin Hcl Generic 37 18 $771

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Chou's medical specialty?
Dr. Jason Chou practices Nephrology Physician in Orange, CA.
Where does Dr. Jason Chou practice?
Dr. Jason Chou practices at 101 the City Dr S Ste 400, Orange, CA 928683201. Office phone: 7144565142.
What is Dr. Jason Chou's NPI?
Dr. Jason Chou's National Provider Identifier (NPI) is 1083051700, issued by NPPES.
Does Dr. Jason Chou accept Medicare assignment?
Yes. Dr. Jason Chou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Chou commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.