Doctor profile · Federal record

Dr. Christopher Lyon, PH.D,MD

Ophthalmology Physician (CMS: Ophthalmology) · Surgery Physician · Orange, CA

  • NPI 1649316753
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1201 W la Veta Ave, 300
Orange, CA 928684213
(714) 771-1144
fax (714) 771-6785

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 24, 2008
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A37277

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649316753. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
491
Distinct HCPCS
10
Medicare allowed
$28,664
HCPCS Description Services Patients Avg allowed
97140 Therapy procedure using manual technique, each 15 minutes 71 16 $23
97535 Training for self-care or home management, each 15 minutes 70 16 $36
92020 Exam of the internal drainage system of eye 62 18 $31
99215 Established patient office or other outpatient visit, 40-54 minutes 52 13 $194
92100 Multiple measurements of eye fluid pressure over an extended time period 49 15 $97
92202 Extended exam of the back part of the eye with optic nerve drawing 45 12 $17
92082 Exam of visual field with intermediate testing 44 13 $51
92283 Extended exam involving color vision testing 27 16 $63
92060 Exam to measure eye deviation and range of motion 20 17 $67
92201 Extended exam of the back part of the eye with retinal drawing 18 16 $27

In context: peer comparison

Among 8 peers in this city , average services per provider: 148. This provider delivers 3.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Lyon's medical specialty?
Dr. Christopher Lyon practices Ophthalmology Physician in Orange, CA.
Where does Dr. Christopher Lyon practice?
Dr. Christopher Lyon practices at 1201 W la Veta Ave, Orange, CA 928684213. Office phone: 7147711144.
What is Dr. Christopher Lyon's NPI?
Dr. Christopher Lyon's National Provider Identifier (NPI) is 1649316753, issued by NPPES.
Does Dr. Christopher Lyon accept Medicare assignment?
Yes. Dr. Christopher Lyon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Lyon commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using manual technique (HCPCS 97140); Training for self-care or home management (HCPCS 97535); Exam of the internal drainage system of eye (HCPCS 92020). Source: CMS Medicare Physician & Other Practitioners file.