Christos Karalis
NPI 1215487509 · Gastroenterology Physician · Du Bois, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christos Karalis is a Gastroenterology Physician provider in Du Bois, PA (NPI 1215487509).
Provider details
- NPI number
- 1215487509
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 98-01686 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
461 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 79 | $137 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 76 | $70 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 53 | $237 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 52 | $172 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 46 | $126 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 307 | 91 |
| Pantoprazole Sodium | 259 | 68 |
| Metoclopramide Hcl | 84 | 29 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 73 | 71 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 40 | 40 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 40 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
Registry dates
- Enumerated
- 2016-10-11
- Last updated
- 2021-06-29
- Certified
- 2021-06-29
Frequently asked questions
- What is Christos Karalis's NPI number?
- Christos Karalis's National Provider Identifier (NPI) is 1215487509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christos Karalis's specialty?
- Christos Karalis is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Christos Karalis located?
- Christos Karalis's practice location on file with NPPES is 621 S Main St, Du Bois, PA 15801-1413.
- What is Christos Karalis's phone number?
- The practice phone number listed in the NPPES registry for Christos Karalis is (814) 371-0600.
- Does Christos Karalis accept Medicare?
- Christos Karalis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christos Karalis's NPI active?
- Yes — Christos Karalis's NPI (1215487509) is active in the NPPES registry as of the last update on 2021-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.