Doctor profile · Federal record

Dr. Richard Yook, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Northridge, CA

  • NPI 1003838392
  • Accepts Medicare
  • MIPS 75.9 / 100 · 2023
  • 54 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8940 Reseda Blvd, Suite 103
Northridge, CA 913243900
(818) 993-5410
fax (818) 993-8300

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 14, 2008
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G24712
Medicaid (2)
CA #G24712 · CA #00G247120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003838392. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
4
Medicare allowed
$22,682
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 115 111 $143
92012 Established patient problem focused exam of visual system 41 37 $102
92134 Imaging of retina 30 30 $46
92133 Imaging of optic nerve 15 15 $40

In context: peer comparison

Among 2 peers in Northridge Ophthalmology Physician, average services per provider: 116. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
0
Total drug cost
$371
Drug Type Claims Patients Total cost
Latanoprost Generic 36 0 $342
Brimonidine Tartrate Generic 11 0 $29

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Yook's medical specialty?
Dr. Richard Yook practices Ophthalmology Physician in Northridge, CA.
Where does Dr. Richard Yook practice?
Dr. Richard Yook practices at 8940 Reseda Blvd, Northridge, CA 913243900. Office phone: 8189935410.
What is Dr. Richard Yook's NPI?
Dr. Richard Yook's National Provider Identifier (NPI) is 1003838392, issued by NPPES.
Does Dr. Richard Yook accept Medicare assignment?
Yes. Dr. Richard Yook accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Yook commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.