Doctor profile · Federal record

Dr. Mark Byers, O.D.

Optometrist (CMS: Optometry) · Marysville, CA

  • NPI 1164551966
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
429 D St
Marysville, CA 959015706
(530) 742-1679
fax (530) 742-1233

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
September 27, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #11554T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164551966. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
275
Distinct HCPCS
4
Medicare allowed
$28,227
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 155 154 $131
92250 Photography of the retina 46 46 $38
92081 Exam of visual field with limited testing 44 44 $34
92004 New patient complete exam of visual system 30 30 $156

In context: peer comparison

Among 1 peers in Marysville Optometrist, average services per provider: 68. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
29
Patients
0
Total drug cost
$472
Drug Type Claims Patients Total cost
Latanoprost Generic 29 0 $472

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Byers's medical specialty?
Dr. Mark Byers practices Optometrist in Marysville, CA.
Where does Dr. Mark Byers practice?
Dr. Mark Byers practices at 429 D St, Marysville, CA 959015706. Office phone: 5307421679.
What is Dr. Mark Byers's NPI?
Dr. Mark Byers's National Provider Identifier (NPI) is 1164551966, issued by NPPES.
Does Dr. Mark Byers accept Medicare assignment?
Yes. Dr. Mark Byers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Byers commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Exam of visual field with limited testing (HCPCS 92081). Source: CMS Medicare Physician & Other Practitioners file.