Doctor profile · Federal record

Dr. Clarence Tam, MD

Ophthalmology Physician (CMS: Ophthalmology) · Fond du LAC, WI

  • NPI 1447365960
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
421 Camelot Dr
Fond du LAC, WI 549358335
(920) 926-8472
fax (920) 926-8391
Mailing address
420 E Division St
Fond du LAC, WI 549354560

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 21, 2020
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Wisconsin #41026
Medicaid
WI #32549400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447365960. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,386
Distinct HCPCS
10
Medicare allowed
$156,684
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 480 27 $4
92014 Established patient complete exam of visual system 272 207 $122
66984 Removal of cataract with insertion of prosthetic lens 149 82 $443
92133 Imaging of optic nerve 83 82 $35
99204 New patient office or other outpatient visit, 45-59 minutes 80 80 $158
92083 Exam of visual field with extended testing 79 78 $60
76519 Ultrasound scan to determine eye length and lens power 75 75 $65
92012 Established patient problem focused exam of visual system 55 39 $87
66821 Removal of recurring cataract in lens capsule using a laser 47 47 $366
92134 Imaging of retina 32 27 $39

In context: peer comparison

Among 1 peers in Fond du LAC Ophthalmology Physician, average services per provider: 115. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $15.06

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,328
Patients
482
Total drug cost
$117,270
Drug Type Claims Patients Total cost
Latanoprost Generic 444 112 $7,958
Timolol Maleate Generic 237 64 $4,742
Prednisolone Acetate Generic 187 162 $18,704
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 143 37 $4,406
Brimonidine Tartrate Generic 92 31 $2,871
Restasis (Cyclosporine) Brand 33 17 $29,487
Ofloxacin Generic 31 27 $485
Cyclosporine Generic 28 15 $16,272
Atropine Sulfate Generic 27 17 $932
Rhopressa (Netarsudil Mesylate) Brand 24 0 $11,820

Frequently asked questions

Auto-generated from federal data
What is Dr. Clarence Tam's medical specialty?
Dr. Clarence Tam practices Ophthalmology Physician in Fond du LAC, WI.
Where does Dr. Clarence Tam practice?
Dr. Clarence Tam practices at 421 Camelot Dr, Fond du LAC, WI 549358335. Office phone: 9209268472.
What is Dr. Clarence Tam's NPI?
Dr. Clarence Tam's National Provider Identifier (NPI) is 1447365960, issued by NPPES.
Does Dr. Clarence Tam accept Medicare assignment?
Yes. Dr. Clarence Tam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clarence Tam commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient complete exam of visual system (HCPCS 92014); Removal of cataract with insertion of prosthetic lens (HCPCS 66984). Source: CMS Medicare Physician & Other Practitioners file.