Doctor profile · Federal record

Dr. Ryan Mercer, MD

Ophthalmology Physician (CMS: Ophthalmology) · Student in an Organized Health Care Education/Training Program · Columbia, SC

  • NPI 1598129298
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1655 Bernardin Ave Ste 100
Columbia, SC 292042039
(803) 256-0641
fax (803) 779-3649

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
July 7, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
South Carolina #39681

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598129298. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,121
Distinct HCPCS
10
Medicare allowed
$453,457
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 543 522 $118
92012 Established patient problem focused exam of visual system 438 313 $83
92136 Measurement of corneal curvature and depth of eye 328 229 $35
66984 Removal of cataract with insertion of prosthetic lens 275 170 $439
J7351 Injection, bimatoprost, intracameral implant, 1 microgram 240 12 $203
92133 Imaging of optic nerve 236 224 $34
92083 Exam of visual field with extended testing 162 159 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 152 148 $120
92134 Imaging of retina 148 143 $37
99204 New patient office or other outpatient visit, 45-59 minutes 101 101 $156

In context: peer comparison

Among 11 peers in Columbia Ophthalmology Physician, average services per provider: 154. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,348
Transactions
91
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 18 $620.82
Biotissue Holdings INC. 5 $401.24
Alcon Vision LLC 13 $271.00
Sun Pharmaceutical Industries INC. 11 $163.13
Bausch & Lomb Americas INC. 12 $157.13
Tarsus Pharmaceuticals, INC. 6 $154.17
Dompe US, INC. 4 $92.11
Amgen INC. 4 $87.63
Glaukos Corporation 2 $87.17
Harrow Eye, LLC 4 $78.61
Ocular Therapeutix, INC. 4 $63.46
Rayner Intraocular Lenses Limited 3 $57.51
Sight Sciences, INC. 3 $49.09
Thea Pharma INC. 1 $25.83
Mallinckrodt Hospital Products INC. 1 $19.50

By nature of payment

Food and Beverage
$2,348

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,565
Patients
729
Total drug cost
$421,863
Drug Type Claims Patients Total cost
Latanoprost Generic 306 103 $8,316
Lumigan (Bimatoprost) Brand 184 60 $92,891
Prednisolone Acetate Generic 176 125 $10,175
Ofloxacin Generic 161 122 $3,219
Prolensa (Bromfenac Sodium) Brand 106 71 $36,874
Timolol Maleate Generic 104 43 $2,967
Restasis (Cyclosporine) Brand 86 40 $140,436
Brimonidine Tartrate Generic 83 36 $7,745
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 68 27 $2,297
Vyzulta (Latanoprostene Bunod) Brand 57 15 $23,969

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Mercer's medical specialty?
Dr. Ryan Mercer practices Ophthalmology Physician in Columbia, SC.
Where does Dr. Ryan Mercer practice?
Dr. Ryan Mercer practices at 1655 Bernardin Ave Ste 100, Columbia, SC 292042039. Office phone: 8032560641.
What is Dr. Ryan Mercer's NPI?
Dr. Ryan Mercer's National Provider Identifier (NPI) is 1598129298, issued by NPPES.
Does Dr. Ryan Mercer accept Medicare assignment?
Yes. Dr. Ryan Mercer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Mercer commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Measurement of corneal curvature and depth of eye (HCPCS 92136). Source: CMS Medicare Physician & Other Practitioners file.