Doctor profile · Federal record

Dr. Sang Yim, MD

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

  • NPI 1003294661
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
7117 Brockton Ave
Riverside, CA 925062658
(951) 683-6370
Additional location
27700 Medical Center RD
Mission Viejo, CA 926916426
(949) 364-6000

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
November 29, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A145033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003294661. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,843
Distinct HCPCS
10
Medicare allowed
$220,796
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 773 214 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 456 152 $83
99239 Hospital discharge day management, more than 30 minutes 219 199 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 100 96 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 94 94 $135
99291 Critical care, first 30-74 minutes 87 32 $222
99443 Telephone medical discussion with physician, 21-30 minutes 45 43 $102
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 39 24 $52
99292 Critical care, each additional 30 minutes 18 13 $111
99443 Telephone medical discussion with physician, 21-30 minutes 12 12 $120

In context: peer comparison

Among 41 peers in Riverside Internal Medicine Physician, average services per provider: 160. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $23.43

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
323
Patients
274
Total drug cost
$24,113
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 36 25 $21,217
Cephalexin Generic 30 30 $191
Atorvastatin Calcium Generic 29 28 $741
Furosemide Generic 28 25 $137
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 27 25 $188
Metoprolol Tartrate Generic 24 20 $128
Nitroglycerin Generic 23 23 $236
Prednisone Generic 23 23 $48
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 18 18 $139
Levofloxacin Generic 17 17 $107

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sang Yim's medical specialty?
Dr. Sang Yim practices Internal Medicine Physician in Riverside, CA.
Where does Dr. Sang Yim practice?
Dr. Sang Yim practices at 7117 Brockton Ave, Riverside, CA 925062658. Office phone: 9516836370.
What is Dr. Sang Yim's NPI?
Dr. Sang Yim's National Provider Identifier (NPI) is 1003294661, issued by NPPES.
Does Dr. Sang Yim accept Medicare assignment?
Yes. Dr. Sang Yim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sang Yim commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.