Doctor profile · Federal record

Dr. William Sax, OD

Optometrist (CMS: Optometry) · Cleveland, OH

  • NPI 1134166341
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9500 Euclid Ave
Cleveland, OH 441950001
(800) 223-2273
Mailing address
6000 W Creek RD
Independence, OH 441312139

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 20, 2008
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Ohio #OPT.5187
Medicaid
OH #2596810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134166341. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
406
Distinct HCPCS
6
Medicare allowed
$27,726
HCPCS Description Services Patients Avg allowed
92004 New patient complete exam of visual system 147 147 $90
92014 Established patient complete exam of visual system 116 116 $72
92012 Established patient problem focused exam of visual system 83 83 $48
92002 New patient problem focused exam of visual system 33 33 $44
92134 Imaging of retina 15 15 $24
92083 Exam of visual field with extended testing 12 12 $26

In context: peer comparison

Among 17 peers in Cleveland Optometrist, average services per provider: 53. This provider delivers 7.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Sax's medical specialty?
Dr. William Sax practices Optometrist in Cleveland, OH.
Where does Dr. William Sax practice?
Dr. William Sax practices at 9500 Euclid Ave, Cleveland, OH 441950001. Office phone: 8002232273.
What is Dr. William Sax's NPI?
Dr. William Sax's National Provider Identifier (NPI) is 1134166341, issued by NPPES.
Does Dr. William Sax accept Medicare assignment?
Yes. Dr. William Sax accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Sax commonly perform?
Top Medicare-reported procedures in 2023: New patient complete exam of visual system (HCPCS 92004); Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.