NPPES file of Aug 9, 2026

Karen Ann Gust, OD

Optometrist · Allison Park, PA

Karen Ann Gust, OD is an optometrist with a practice address in Allison Park, Pennsylvania, and NPI 1427117662, issued on Dec 6, 2006. Check the license (Pennsylvania OEG000710, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427117662
Name
Karen Ann Gust
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OEG000710 PA
Self-reported in NPPES; status is on the state search
Practice location
2384 Ferguson RD, Allison Park, PA 15101
Phone
(412) 486-1043
Enumerated
Dec 6, 2006
Record last updated
Nov 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(412) 486-5619
Medicare enrollment
Enrolled (PECOS I20110518000391); accepts Medicare assignment
Medical or professional school
Ohio State University - College Of Optometry, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2384 Ferguson RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gregory Bittner, ODOptometrist1134191448
  2. Michael Bittner, O.D.Optometrist1740693217
  3. Lisa MacqueenStudent in an Organized Health Care Education/Training Program1639015332
  4. Karissa Manko, ODOptometrist1023623410

Verify Karen Ann Gust in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license OEG000710
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

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2.0 times the Medicare Part D claims of the average optometrist in 2024

557 Medicare Part D claims for 84 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Karen Gust557
  2. Specialty average277

Most prescribed

  1. Latanoprost202 claims
  2. Timolol Maleate93 claims
  3. Brimonidine Tartrate50 claims
  4. Lumigan45 claims
  5. Dorzolamide-Timolol35 claims
  6. Brimonidine Tartrate-Timolol26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Bittner Vision AssociatesAllison Park, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

5 optometrist records list a practice address in Allison Park

They are 5 of the 265 NPPES records with a practice address in Allison Park, and 2,640 optometrist records in Pennsylvania.

Other optometrist records in Pennsylvania

  1. Dina Abdelhady, ODGlenside, PA1225761844
  2. Mark Abelman, ODPittsburgh, PA1043200751
  3. Azad AbulkalamKing Of Prussia, PA1114491917
  4. Joanne Adolfo, O.D.Butler, PA1104133271
  5. Maria Adriaansen, O.DPhiladelphia, PA1508428194
  6. Christopher Adsit, ODMeadville, PA1477627727
  7. Veena Adusumilli, O.D.Bethlehem, PA1891856225
  8. Robert Africano, ODPhiladelphia, PA1265817720
  9. Ross Agagliati, O.D.Homestead, PA1649623992
  10. Kimberly Agostinelli, ODCovington Twp, PA1902835671

Common questions

What is Karen Ann Gust, OD's NPI number?

Karen Ann Gust, OD's National Provider Identifier (NPI) is 1427117662, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Ann Gust, OD located?

The NPPES record lists a practice address at 2384 Ferguson RD, Allison Park, PA, 15101. Phone: (412) 486-1043. Providers update this record themselves, so call before visiting.

How can I verify Karen Ann Gust, OD's license?

NPPES lists Pennsylvania license number OEG000710, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Ann Gust, OD prescribe under Medicare Part D?

In 2024, Karen Ann Gust, OD had 557 Medicare Part D claims for 84 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.