Doctor profile · Federal record

Dr. John Pak, MD

Ophthalmic Plastic and Reconstructive Surgery Physician (CMS: Ophthalmology) · Ophthalmology Physician · Wheaton, IL

  • NPI 1811937311
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2015 N Main St
Wheaton, IL 601873152
(630) 668-8250
fax (630) 668-8916

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 26, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207WX0200X — NUCC code
State license (1)
Illinois #036-108561
Medicaid
IL #036108561

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811937311. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,121
Distinct HCPCS
10
Medicare allowed
$480,947
HCPCS Description Services Patients Avg allowed
J0585 Injection, onabotulinumtoxina, 1 unit 8,356 28 $6
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 1,032 148 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 951 612 $95
92285 Photography of content of eyes 246 242 $25
11900 Injection into skin growth, 1-7 growths 240 149 $61
99214 Established patient office or other outpatient visit, 30-39 minutes 238 219 $135
99203 New patient office or other outpatient visit, 30-44 minutes 205 205 $119
99204 New patient office or other outpatient visit, 45-59 minutes 159 159 $176
92081 Exam of visual field with limited testing 100 98 $35
64612 Injection of chemical for paralysis of nerve muscles on side of face 85 28 $174

In context: peer comparison

Among 1 peers in Wheaton Ophthalmic Plastic and Reconstructive Surgery Physician, average services per provider: 466. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$58
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $33.75
Alcon Vision LLC 1 $23.99

By nature of payment

Food and Beverage
$58

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,054
Patients
892
Total drug cost
$73,807
Drug Type Claims Patients Total cost
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 333 297 $4,601
Doxycycline Hyclate Generic 168 87 $9,051
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 141 140 $256
Tobradex (Tobramycin/Dexamethasone) Brand 131 119 $37,501
Prednisolone Acetate Generic 109 107 $3,347
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 66 65 $666
Erythromycin (Erythromycin Base) Brand 59 47 $697
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 18 16 $984
Prednisone Generic 15 14 $27
Restasis (Cyclosporine) Brand 14 0 $16,679

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Pak's medical specialty?
Dr. John Pak practices Ophthalmic Plastic and Reconstructive Surgery Physician in Wheaton, IL.
Where does Dr. John Pak practice?
Dr. John Pak practices at 2015 N Main St, Wheaton, IL 601873152. Office phone: 6306688250.
What is Dr. John Pak's NPI?
Dr. John Pak's National Provider Identifier (NPI) is 1811937311, issued by NPPES.
Does Dr. John Pak accept Medicare assignment?
Yes. Dr. John Pak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Pak commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.