Doctor profile · Federal record

Dr. Katherine Yi, FNP

Family Nurse Practitioner · Costa Mesa, CA

  • NPI 1154033371
  • 4 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Paularino Ave Ste D182
Costa Mesa, CA 926263302
(949) 749-3425

Credentials & registration

NPPES · NUCC
NPI registered
December 2022 — 4 yrs on file
Profile last updated
March 27, 2023
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95022842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154033371. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,612
Distinct HCPCS
8
Medicare allowed
$274,873
HCPCS Description Services Patients Avg allowed
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 661 244 $167
99496 Transitional care management services for problem of high complexity 338 314 $257
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 266 266 $182
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 196 188 $57
99497 Advance care planning, first 30 minutes 48 46 $75
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 46 23 $115
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 31 31 $129
99495 Transitional care management services for problem of at least moderate complexity 26 26 $190

In context: peer comparison

Among 10 peers in this city , average services per provider: 92. This provider delivers 18× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Yi's medical specialty?
Dr. Katherine Yi practices Family Nurse Practitioner in Costa Mesa, CA.
Where does Dr. Katherine Yi practice?
Dr. Katherine Yi practices at 150 Paularino Ave Ste D182, Costa Mesa, CA 926263302. Office phone: 9497493425.
What is Dr. Katherine Yi's NPI?
Dr. Katherine Yi's National Provider Identifier (NPI) is 1154033371, issued by NPPES.
What procedures does Dr. Katherine Yi commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Transitional care management services for problem of high complexity (HCPCS 99496); Residence visit for new patient with high level of medical decision making (HCPCS 99345). Source: CMS Medicare Physician & Other Practitioners file.