Christos Karalis
- Medicare services, 2024
- 461
- Medicare patients, 2024
- 298
- Part D claims, 2024
- 1,126
- MIPS score, 2024
- 97
- Hospital affiliations
- 3
- Practice address
- 100 Hospital Avenue, Du Bois, PA 15801
- Practice phone
- Call (814) 371-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Christos Karalis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Christos Karalis is a gastroenterologist in Du Bois, Pennsylvania
Christos Karalis practices at Penn Highlands DuBois in Du Bois, Pennsylvania, part of Penn Highlands Healthcare.
Christos Karalis' NPI, 1215487509, was assigned on October 11, 2016. Christos Karalis holds Pennsylvania license MD459693.
- NPI
- 1215487509NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385926591
- NPI enumeration date
- October 11, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (814) 371-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christos Karalis practices at Penn Highlands DuBois in Du Bois, Pennsylvania
Christos Karalis' primary practice is Penn Highlands DuBois, at 100 Hospital Avenue, Du Bois, PA 15801 in Clearfield County. The practice phone is (814) 371-2200.
- Penn Highlands DuBois100 Hospital Avenue, Du Bois, PA 15801 · Clearfield CountyPhone(814) 371-2200
Source: Dmand AI Affiliation Data
Christos Karalis is affiliated with 4 sites of care and 1 medical group
Christos Karalis' primary practice is Penn Highlands DuBois in Du Bois, Pennsylvania, part of Penn Highlands Healthcare. Christos Karalis is also affiliated with Penn Highlands Elk. The medical group on file is Penn Highlands DuBois. Dmand AI also links Christos Karalis to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christos Karalis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christos Karalis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn Highlands DuBois | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Penn Highlands Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Christos Karalis is one of 899 gastroenterologists in Pennsylvania
Gastroenterology is Christos Karalis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Christos Karalis' licenses on file in 2 states: Pennsylvania and North Carolina.
Specialties and state licenses
- Gastroenterology, PennsylvaniaPrimary
- North Carolina license
Gastroenterologists near Christos Karalis
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Christos Karalis billed Medicare for 461 services in 2024
CMS data shows 461 Medicare services from Christos Karalis across 12 procedure codes in 2024, for 298 Medicare patients. Medicare paid $50,747 for them. Every service was in a facility, such as a hospital, rather than an office.
Christos Karalis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2362024: 2168%
- Surgery
- 2023: 2482024: 21414%
- Other services
- 2023: 322024: 313%
Christos Karalis compared with the Pennsylvania median for gastroenterologists, 2024
- Christos Karalis
- Pennsylvania median
- Medicare services
- 461vs 40115% above
- Medicare patients
- 298vs 294Close to median
- Part D claims
- 1,000vs 3752.7 times
Medians across 899 gastroenterologists in Pennsylvania with Dmand AI profiles that report each measure.
Christos Karalis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Christos Karalis?
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christos Karalis treated 298 Medicare patients in 2024, average age 72
CMS counts 298 Medicare patients who saw Christos Karalis in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christos Karalis' median patient age at 72, with 46% women.
Christos Karalis' Medicare patients by age, 2024
Christos Karalis' Medicare patients by sex, 2024
- Women15251%
- Men14649%
Chronic conditions among Christos Karalis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Anxiety36%
- Ischemic heart disease35%
- Mood disorders35%
- Diabetes34%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Christos Karalis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christos Karalis wrote 1,126 Medicare Part D claims in 2024
In 2024, Christos Karalis wrote 1,126 Medicare Part D claims for 341 patients. 88% of them were for generic drugs. CMS names the drug for 1,000 of them, across 17 drugs with 11 or more claims each, at $91,844 in total drug cost. In 2023, CMS named 913 claims across 17 drugs.
Christos Karalis' Part D claims by kind of drug, 2024
- Generic996 claims88%
- Brand-name and other130 claims12%
Christos Karalis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Christos Karalis' Part D claims, 2024
- Antibiotics3%34 of 1,126 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9132024: 1,00010%
Drugs named by CMS: 17 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Christos Karalis scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Christos Karalis for performance year 2024, reported as part of a group. Christos Karalis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 62 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Christos Karalis, more than 67% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Christos Karalis' MIPS scores, performance year 2024
- 97of 100Final score
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Christos Karalis ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 67th percentile62 procedures
- Colonoscopy
- 52nd percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Christos Karalis received $1,561 in industry payments from 2017 to 2025
CMS Open Payments shows 36 general payments to Christos Karalis from 13 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 51% of the total. Covidien LP paid the most, $703.
General payments to Christos Karalis by program year, 2017 to 2025
General payments to Christos Karalis by kind, 2017 to 2025
- Travel and lodging$79151%
- Food and beverage$74848%
- Education$221%
Companies that paid Christos Karalis the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christos Karalis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Christos Karalis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christos Karalis' NPI number?
Christos Karalis' NPI number is 1215487509. It was assigned on October 11, 2016, and it is active in the NPI Registry.
What does Christos Karalis specialize in?
Christos Karalis is a gastroenterologist in Du Bois, Pennsylvania. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Christos Karalis practice?
Christos Karalis practices at 100 Hospital Avenue, Du Bois, PA 15801. Christos Karalis' primary practice is Penn Highlands DuBois in Du Bois, Pennsylvania, part of Penn Highlands Healthcare. Dmand AI also links Christos Karalis to 1 hospital and 1 group practice or clinic.
What is Christos Karalis' office phone number?
The practice phone on file for Christos Karalis is (814) 371-2200.
What is Christos Karalis' medical license number?
Christos Karalis holds Pennsylvania license MD459693, one of the licenses on file in 2 states.
Which states has Christos Karalis been licensed in?
Dmand AI has state licenses on file for Christos Karalis in Pennsylvania and North Carolina.
Which hospitals is Christos Karalis affiliated with?
Christos Karalis practices at Penn Highlands DuBois in Du Bois, Pennsylvania. Christos Karalis is also affiliated with Penn Highlands Elk. Dmand AI links Christos Karalis to 1 more hospital.
What medical group is Christos Karalis part of?
Christos Karalis is linked to Penn Highlands DuBois.
Does Christos Karalis accept Medicare?
Yes. CMS data shows Christos Karalis billed Medicare for 461 services in 2024, and Christos Karalis accepts Medicare assignment.
What is Christos Karalis' MIPS score?
Christos Karalis' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Christos Karalis see?
CMS counts 298 Medicare patients who saw Christos Karalis in 2024, with an average age of 72.
What services does Christos Karalis bill to Medicare?
In 2024, Christos Karalis' most billed Medicare services were office visit, established patient (99215), surgery: digestive system (43239) and surgery: digestive system (45385).
What drugs does Christos Karalis prescribe most?
In 2024 Medicare Part D data, Christos Karalis' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Metoclopramide HCl.
Has Christos Karalis received payments from drug or device companies?
CMS Open Payments shows $1,561 in general payments to Christos Karalis from 13 companies from 2017 to 2025. The largest total came from Covidien LP.
How long has Christos Karalis been practicing?
Christos Karalis graduated from medical school in 1990, 36 years ago.
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