NPPES file of Aug 9, 2026

Anastasia Karabatsos Siatras, D.O.

Diagnostic Radiology Physician · Merrillville, IN

Anastasia Karabatsos Siatras, D.O. is a diagnostic radiology physician with a practice address in Merrillville, Indiana, and NPI 1912163577, issued on Aug 4, 2008. Check the license on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912163577
Name
Anastasia Karabatsos Siatras
Credential
D.O.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
125-050874 IL
Self-reported in NPPES; status is on the state search
Practice location
8701 Broadway, Merrillville, IN 46410
Phone
(219) 738-5565
Enumerated
Aug 4, 2008
Record last updated
Jun 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(219) 738-6714
Medicare enrollment
Enrolled (PECOS I20120627000323); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8701 Broadway

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

  1. Lauren Avidano, CAAAnesthesiologist Assistant1982403374
  2. Geoffrey Bauer, MDEmergency Medicine Physician1114912326
  3. Thomas Bebekoski, MDEmergency Medicine Physician1508327933
  4. Jenee Bhuju, M.D.Internal Medicine Physician1578918108
  5. Kim Buford, FNPNurse Practitioner1164193512
  6. Anna Marie CastilloPhysical Therapist1487272175

Verify Anastasia Karabatsos Siatras in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of IndianaCheck 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 Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The MIPS final score for 2023 (Medicare payment program): 38.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score63.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Advanced Imaging Center LLCSchererville, IN
  2. N W Indiana Radiology Services, PCGary, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anastasia Karabatsos Siatras among 779 diagnostic radiology physician records in Indiana

Anastasia Karabatsos Siatras, D.O. is one of 779 diagnostic radiology physician records with a practice address in Indiana. 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 2008, is newer than 68% of them.

  • NPI issued2008 · 68% of these records are older, 25% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2006 · median 2002 among the 533 with a school on file
  • Record last updated2012 · 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 2085R0202X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Indiana

There are 779 diagnostic radiology physician records in Indiana.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Avinash Devnani, MDMerrillville, IN 464101679554091
  2. Rajiv Kumar, M.D.Merrillville, IN 464101750547493
  3. Mayumi Oka, MDMerrillville, IN 464101417902388
  4. Maximo Bleza, D.O.Valparaiso, IN 463831619924461
  5. James Forde, M.D.Valparaiso, IN 463831427098979
  6. Jeffrey Huth, M.D.Valparaiso, IN 463831265472716
  7. Anil Kothari, M.D.Valparaiso, IN 463831336189885
  8. Esther Lee, M.D.Valparaiso, IN 463831073515656

Common questions

What is Anastasia Karabatsos Siatras, D.O.'s NPI number?

Anastasia Karabatsos Siatras, D.O.'s National Provider Identifier (NPI) is 1912163577, issued on Aug 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Anastasia Karabatsos Siatras, D.O. located?

The NPPES record lists a practice address at 8701 Broadway, Merrillville, IN, 46410. Phone: (219) 738-5565. Providers update this record themselves, so call before visiting.

How can I verify Anastasia Karabatsos Siatras, D.O.'s license?

Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Anastasia Karabatsos Siatras, D.O.'s MIPS final score?

The 2023 MIPS final score is 38.6 of 100. 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.