Doctor profile · Federal record

Dr. Stephanie Yoon, MD

Family Medicine Physician (CMS: Family Practice) · Chula Vista, CA

  • NPI 1275760373
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
499 H St
Chula Vista, CA 919104307
(619) 691-7587

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
June 22, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A116799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275760373. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
4
Medicare allowed
$13,515
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 48 28 $123
99497 Advance care planning, first 30 minutes 33 29 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $179
99498 Advance care planning, each additional 30 minutes 17 11 $74

In context: peer comparison

Among 36 peers in this city , average services per provider: 72. This provider delivers 1.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephanie Yoon's medical specialty?
Dr. Stephanie Yoon practices Family Medicine Physician in Chula Vista, CA.
Where does Dr. Stephanie Yoon practice?
Dr. Stephanie Yoon practices at 499 H St, Chula Vista, CA 919104307. Office phone: 6196917587.
What is Dr. Stephanie Yoon's NPI?
Dr. Stephanie Yoon's National Provider Identifier (NPI) is 1275760373, issued by NPPES.
Does Dr. Stephanie Yoon accept Medicare assignment?
Yes. Dr. Stephanie Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Yoon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Advance care planning (HCPCS 99497); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.