Doctor profile · Federal record

Dr. Elizabeth Karns, OD

Optometrist (CMS: Optometry) · Optometrist · Mechanicsburg, PA

  • NPI 1306330337
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
100 N Walnut St
Mechanicsburg, PA 17055
(717) 766-4757
Additional location
304 Sheep Davis RD
Concord, NH 033015736
(603) 573-9463
Additional location
25 State Ave
Carlisle, PA 170134420
(717) 249-4948

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
August 14, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
Pennsylvania #OEG003604 · New Hampshire #0971

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306330337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
831
Distinct HCPCS
10
Medicare allowed
$65,238
HCPCS Description Services Patients Avg allowed
83861 Microfluid analysis of tears 188 76 $22
99213 Established patient office or other outpatient visit, 20-29 minutes 135 109 $88
92014 Established patient complete exam of visual system 126 126 $124
92250 Photography of the retina 106 104 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 94 73 $124
92004 New patient complete exam of visual system 72 72 $150
99212 Established patient office or other outpatient visit, 10-19 minutes 62 58 $56
67820 Removal of eyelashes using forceps 20 12 $19
68761 Closure of tear duct opening using plug 14 13 $201
92133 Imaging of optic nerve 14 14 $36

In context: peer comparison

Among 6 peers in this city , average services per provider: 112. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$416
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas Inc. 3 $228.40
SUN PHARMACEUTICAL INDUSTRIES INC. 1 $121.09
BIOTISSUE HOLDINGS INC. 2 $47.08
Johnson & Johnson Vision Care, Inc. 1 $19.41

By nature of payment

Food and Beverage
$416

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
266
Patients
165
Total drug cost
$73,783
Drug Type Claims Patients Total cost
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 67 64 $974
Latanoprost Generic 51 24 $891
Restasis (Cyclosporine) Brand 32 20 $53,807
Erythromycin (Erythromycin Base) Brand 29 21 $318
Loteprednol Etabonate Generic 29 25 $4,596
Cyclosporine Generic 22 11 $11,350
Timolol Maleate Generic 14 0 $921
Doxycycline Monohydrate Generic 11 0 $302
Prednisolone Acetate Generic 11 0 $623

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Karns's medical specialty?
Dr. Elizabeth Karns practices Optometrist in Mechanicsburg, PA.
Where does Dr. Elizabeth Karns practice?
Dr. Elizabeth Karns practices at 100 N Walnut St, Mechanicsburg, PA 17055. Office phone: 7177664757.
What is Dr. Elizabeth Karns's NPI?
Dr. Elizabeth Karns's National Provider Identifier (NPI) is 1306330337, issued by NPPES.
Does Dr. Elizabeth Karns accept Medicare assignment?
Yes. Dr. Elizabeth Karns accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Karns commonly perform?
Top Medicare-reported procedures in 2023: Microfluid analysis of tears (HCPCS 83861); Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.