Doctor profile · Federal record

Dr. Grant Su, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Springfield, IL

  • NPI 1386723781
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 N 8Th St
Springfield, IL 627011041
(217) 528-7541
Mailing address
1025 S 6Th St
Springfield, IL 627032403

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 19, 2020
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Illinois #036117645
Medicaid
IL #036117645

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386723781. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
9,170
Distinct HCPCS
10
Medicare allowed
$429,834
HCPCS Description Services Patients Avg allowed
J0585 Injection, onabotulinumtoxina, 1 unit 3,608 16 $6
J0588 Injection, incobotulinumtoxin a, 1 unit 3,284 13 $5
99204 New patient office or other outpatient visit, 45-59 minutes 359 359 $161
92285 Photography of content of eyes 284 281 $19
99213 Established patient office or other outpatient visit, 20-29 minutes 236 180 $87
92082 Exam of visual field with intermediate testing 171 170 $44
99214 Established patient office or other outpatient visit, 30-39 minutes 166 161 $123
67875 Temporary closure of eyelids by suture 110 106 $49
68840 Probing of nasal tear duct 109 105 $154
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less 92 78 $504

In context: peer comparison

Among 8 peers in this city , average services per provider: 155. This provider delivers 59× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$68
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 3 $68.48

By nature of payment

Food and Beverage
$68

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
709
Patients
645
Total drug cost
$9,809
Drug Type Claims Patients Total cost
Erythromycin (Erythromycin Base) Brand 496 450 $4,564
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 76 74 $835
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 53 50 $3,118
Doxycycline Hyclate Generic 38 27 $952
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 34 33 $300
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 12 11 $40

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Su's medical specialty?
Dr. Grant Su practices Ophthalmology Physician in Springfield, IL.
Where does Dr. Grant Su practice?
Dr. Grant Su practices at 301 N 8Th St, Springfield, IL 627011041. Office phone: 2175287541.
What is Dr. Grant Su's NPI?
Dr. Grant Su's National Provider Identifier (NPI) is 1386723781, issued by NPPES.
Does Dr. Grant Su accept Medicare assignment?
Yes. Dr. Grant Su accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Su commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Injection, incobotulinumtoxin a, 1 unit (HCPCS J0588); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.