Christos Karalis
Gastroenterology Physician · Du Bois, PA
Christos Karalis is a gastroenterology physician with a practice address in Du Bois, Pennsylvania, and NPI 1215487509, issued on Oct 11, 2016. Check the license (Pennsylvania MD459693, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christos Karalis
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- MD459693 PA
MD-26796 HI
98-01686 NC
Self-reported in NPPES; status is on the state search - Practice location
- 621 S Main St, Du Bois, PA 15801
- Phone
- (814) 371-0600
- Enumerated
- Oct 11, 2016
- Record last updated
- Jul 6, 2026
- Fax
- (814) 372-4764
- Medicaid ID
- 103241637 PA
- Medicare enrollment
- Enrolled (PECOS I20170124001564); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 621 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melodi AlbenzeAdult Health Nurse Practitioner1174447775
- Victoria BarberFamily Nurse Practitioner1932995503
- Michelle Bennett, PHARMDPharmacist1902403405
- Nicholas CunninghamPhysician Assistant1881276244
- Laura Edwards, PA-CPhysician Assistant1952085029
- Dulcie Hanzely, PA-CPhysician Assistant1902139728
Verify Christos Karalis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD459693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average gastroenterology physician in 2024
1,126 Medicare Part D claims for 341 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole307 claims
- Pantoprazole Sodium259 claims
- Metoclopramide Hcl84 claims
- Sod Sulf-Potass Sulf-Mag Sulf73 claims
- Gavilyte-G40 claims
- Peg-3350 And Electrolytes40 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): 96.6 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: $20.77
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Dubois Regional Medical CenterDu Bois, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christos Karalis among 1,049 gastroenterology physician records in Pennsylvania
Christos Karalis is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1990 · median 2003 among the 769 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Du Bois → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Juan Carrere, M.D.Du Bois, PA 158011669474318
- Richard Latuska, M.D.Du Bois, PA 158011487682993
- Khiem Nguyen, MDDu Bois, PA 158011316922511
- Shirish Amin, MDIndiana, PA 157011114903994
- Mary Anne Barnicle, M.D.Indiana, PA 157011689636144
- Ronald Cramer, D.O.Indiana, PA 157011275586000
- Maria Stiles, CRNPIndiana, PA 157011124777511
- Gebran Abboud, M.D.Johnstown, PA 159051518160373
Common questions
What is Christos Karalis's NPI number?
Christos Karalis's National Provider Identifier (NPI) is 1215487509, issued on Oct 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Christos Karalis located?
The NPPES record lists a practice address at 621 S Main St, Du Bois, PA, 15801. Phone: (814) 371-0600. Providers update this record themselves, so call before visiting.
How can I verify Christos Karalis's license?
NPPES lists Pennsylvania license number MD459693, 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 Christos Karalis prescribe under Medicare Part D?
In 2024, Christos Karalis had 1,126 Medicare Part D claims for 341 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Christos Karalis's MIPS final score?
The 2023 MIPS final score is 96.6 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.