Constantine A. Balouris, MD
Ophthalmology Physician · Butler, PA
Constantine A. Balouris, MD is an ophthalmology physician with a practice address in Butler, Pennsylvania, and NPI 1851478531, issued on Nov 1, 2006. Check the license (Pennsylvania BB4299447, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Constantine A. Balouris
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- BB4299447 PA
Self-reported in NPPES; status is on the state search - Practice location
- 102 Technology Dr, Butler, PA 16001
- Phone
- (724) 482-0090
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (724) 482-0093
- Medicaid ID
- 0016271000005 PA
- Medicare enrollment
- Enrolled (PECOS I20050907000105); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 102 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Gaertner, PHARMDPharmacist1538411020
- Hung-Chi Ho, MDRadiation Oncology Physician1205833480
Verify Constantine A. Balouris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license BB4299447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average ophthalmology physician in 2024
5,396 Medicare Part D claims for 1,312 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Prednisolone Acetate1,264 claims
- Ciprofloxacin Hcl1,227 claims
- Latanoprost1,017 claims
- Timolol Maleate303 claims
- Ketorolac Tromethamine250 claims
- Dorzolamide-Timolol207 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $188.71
8 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Balouris Eye Cener, PCButler, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Constantine A. Balouris among 1,088 ophthalmology physician records in Pennsylvania
Constantine A. Balouris, MD is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1988 · median 2000 among the 734 with a school on file
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Butler → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Melissa Derenzo, MDButler, PA 160011346327947
- Haralambos Robert Papas, M.D.Butler, PA 160011437513959
- Charles Tredennick, M.D.Butler, PA 160021093824112
- William Christie, MDCranberry Township, PA 160661396747366
- Christopher Spearman, M.D.Cranberry Township, PA 160661609263532
- Daniel Zimmer, M.D.Cranberry Twp, PA 160661265438634
- Tim Arlow, MDJohnstown, PA 159041063822070
- George Ashman, MDJohnstown, PA 159011992744460
Common questions
What is Constantine A. Balouris, MD's NPI number?
Constantine A. Balouris, MD's National Provider Identifier (NPI) is 1851478531, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Constantine A. Balouris, MD located?
The NPPES record lists a practice address at 102 Technology Dr, Butler, PA, 16001. Phone: (724) 482-0090. Providers update this record themselves, so call before visiting.
How can I verify Constantine A. Balouris, MD's license?
NPPES lists Pennsylvania license number BB4299447, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Constantine A. Balouris, MD prescribe under Medicare Part D?
In 2024, Constantine A. Balouris, MD had 5,396 Medicare Part D claims for 1,312 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Constantine A. Balouris, MD's MIPS final score?
The 2023 MIPS final score is 99.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.