Karen Gust, OD
NPI 1427117662 · Optometrist · Allison Park, PA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Gust, OD is a Optometrist provider in Allison Park, PA (NPI 1427117662).
Provider details
- NPI number
- 1427117662
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- OEG000710 (PA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
283 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 100 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $86 |
| Photography of the Retina92250 | 34 | $34 |
| Imaging of Optic Nerve92133 | 31 | $34 |
| Exam of Visual Field With Extended Testing92083 | 18 | $59 |
| Imaging of Retina92134 | 18 | $38 |
| Established Patient Problem Focused Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 202 | 42 |
| Timolol Maleate | 93 | 18 |
| Brimonidine Tartrate | 50 | — |
| Bimatoprostbrand: Lumigan | 45 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 35 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 26 | — |
| Dorzolamide Hcl | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2012-11-07
Frequently asked questions
- What is Karen Gust's NPI number?
- Karen Gust's National Provider Identifier (NPI) is 1427117662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Gust's specialty?
- Karen Gust is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Karen Gust located?
- Karen Gust's practice location on file with NPPES is 2384 Ferguson Rd, Allison Park, PA 15101.
- What is Karen Gust's phone number?
- The practice phone number listed in the NPPES registry for Karen Gust is (412) 486-1043.
- Does Karen Gust accept Medicare?
- Karen Gust is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Gust's NPI active?
- Yes — Karen Gust's NPI (1427117662) is active in the NPPES registry as of the last update on 2012-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.