NPPES file of Aug 9, 2026

Georgios Karanastasis

Internal Medicine Physician · Palos Heights, IL

Georgios Karanastasis is an internal medicine physician with a practice address in Palos Heights, Illinois, and NPI 1689811978, issued on Jan 8, 2009. Check the license (Illinois 036122134, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1689811978
Name
Georgios Karanastasis
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036122134 IL
Self-reported in NPPES; status is on the state search
Practice location
12800 S Ridgeland Ave Ste E, Palos Heights, IL 60463
Phone
(708) 429-3700
Enumerated
Jan 8, 2009
Record last updated
Dec 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(708) 429-4460
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12800 S Ridgeland Ave Ste E

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

  1. Sandhya Nagubadi, M.D.Internal Medicine Physician1043262207
  2. Chin-Husn ShihFamily Nurse Practitioner1396613451

Verify Georgios Karanastasis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036122134
    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
Open the Illinois license search

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34% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,095 Medicare Part D claims for 207 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 34 claims were for opioids.

  1. Georgios Karanastasis2,095
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium137 claims
  2. Amlodipine Besylate99 claims
  3. Levothyroxine Sodium99 claims
  4. Pantoprazole Sodium83 claims
  5. Metoprolol Succinate78 claims
  6. Losartan Potassium64 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.

Industry payments in 2024: $57.10

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Georgios Karanastasis$57.10
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Georgios Karanastasis among 7,238 internal medicine physician records in Illinois

Georgios Karanastasis is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 49% of them.

  • NPI issued2009 · 49% of these records are older, 49% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2021 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 internal medicine physician records list a practice address in Palos Heights

They are 34 of the 992 NPPES records with a practice address in Palos Heights, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Samina Chaudhry, M.D.Palos Heights, IL 604631467487884
  2. Matthew Fitz, MDPalos Heights, IL 604631205800513
  3. Florie Gonsch, D.O.Palos Heights, IL 604631831144476
  4. Noorun Khan, M.D.Palos Heights, IL 604631548234073
  5. Samina Khan, M.D.Palos Heights, IL 604631376512475
  6. Irma Kuptel, MDPalos Heights, IL 604631508808999
  7. Maria Lentzou, M.D.Palos Heights, IL 604631124071139
  8. James Miller, MDPalos Heights, IL 604631710933544

Common questions

What is Georgios Karanastasis's NPI number?

Georgios Karanastasis's National Provider Identifier (NPI) is 1689811978, issued on Jan 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Georgios Karanastasis located?

The NPPES record lists a practice address at 12800 S Ridgeland Ave Ste E, Palos Heights, IL, 60463. Phone: (708) 429-3700. Providers update this record themselves, so call before visiting.

How can I verify Georgios Karanastasis's license?

NPPES lists Illinois license number 036122134, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Georgios Karanastasis prescribe under Medicare Part D?

In 2024, Georgios Karanastasis had 2,095 Medicare Part D claims for 207 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.