Elizabeth Karns, OD
NPI 1306330337 · Optometrist · Mechanicsburg, PA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Karns, OD is a Optometrist provider in Mechanicsburg, PA (NPI 1306330337).
Provider details
- NPI number
- 1306330337
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 0971 (NH)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,657 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Microfluid Analysis of Tears83861 | 676 | $22 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 268 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 170 | $130 |
| Photography of the Retina92250 | 155 | $38 |
| Established Patient Complete Exam of Visual System92014 | 135 | $127 |
| New Patient Complete Exam of Visual System92004 | 84 | $149 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 138 | 62 |
| Latanoprost | 114 | 38 |
| Cyclosporine | 71 | 27 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 67 | 60 |
| Azelastine Hcl | 54 | 18 |
| Perfluorohexyloctane/Pfbrand: Miebo | 48 | 19 |
| Lifitegrastbrand: Xiidra | 46 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$416 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 304 Sheep Davis RdConcord, NH 03301-5736Phone: (603) 573-9463
- 25 State AveCarlisle, PA 17013-4420Phone: (717) 249-4948
Registry dates
- Enumerated
- 2018-06-22
- Last updated
- 2019-08-14
Frequently asked questions
- What is Elizabeth Karns's NPI number?
- Elizabeth Karns's National Provider Identifier (NPI) is 1306330337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Karns's specialty?
- Elizabeth Karns is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Elizabeth Karns located?
- Elizabeth Karns's practice location on file with NPPES is 100 N Walnut St, Mechanicsburg, PA 17055.
- What is Elizabeth Karns's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Karns is (717) 766-4757.
- Does Elizabeth Karns accept Medicare?
- Elizabeth Karns is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Karns's NPI active?
- Yes — Elizabeth Karns's NPI (1306330337) is active in the NPPES registry as of the last update on 2019-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.