NPPES file of Aug 9, 2026

Thomas Gast, MD

Diagnostic Radiology Physician · Mishawaka, IN

Thomas Gast, MD is a diagnostic radiology physician with a practice address in Mishawaka, Indiana, and NPI 1669637153, issued on Jul 23, 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
1669637153
Name
Thomas Gast
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
336075522 IL
036-112490 IL
Self-reported in NPPES; status is on the state search
Practice location
620 W Edison RD, Mishawaka, IN 46545
Phone
(574) 258-1100
Enumerated
Jul 23, 2008
Record last updated
Apr 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(574) 259-1101
Medicare enrollment
Enrolled (PECOS I20131004000330); 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 620 W Edison RD

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

  1. Ashley Aldridge, DPTPhysical Therapist1871212647
  2. Jody Barber, MDDiagnostic Radiology Physician1316919293
  3. Daniel Boll, MDDiagnostic Radiology Physician1487648184
  4. Sarah Bortone, FNP-BCFamily Nurse Practitioner1740520717
  5. Michael Brendle, M.D.Diagnostic Radiology Physician1225095912
  6. Albert Cho, MDDiagnostic Radiology Physician1306924923

Verify Thomas Gast 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.6 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.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%67.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Cook CountyChicago, IL

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

Thomas Gast among 779 diagnostic radiology physician records in Indiana

Thomas Gast, MD 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
  • Graduated2001 · median 2002 among the 533 with a school on file
  • Record last updated2021 · 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).

32 diagnostic radiology physician records list a practice address in Mishawaka

They are 32 of the 1,454 NPPES records with a practice address in Mishawaka, and 779 diagnostic radiology physician records in Indiana.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Daniel Boll, MDMishawaka, IN 465451487648184
  2. David D'Andrea, MDMishawaka, IN 465451366437899
  3. Francoise Dion, MDMishawaka, IN 465451164417697
  4. Mary Dynes, MDMishawaka, IN 465451124013677
  5. James Field, MDMishawaka, IN 465451013902246
  6. Michael Grantham, MDMishawaka, IN 465451649264342
  7. Alphonse Harding, MDMishawaka, IN 465451831184399
  8. Allison Lamont, MDMishawaka, IN 465451811982382

Common questions

What is Thomas Gast, MD's NPI number?

Thomas Gast, MD's National Provider Identifier (NPI) is 1669637153, issued on Jul 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Gast, MD located?

The NPPES record lists a practice address at 620 W Edison RD, Mishawaka, IN, 46545. Phone: (574) 258-1100. Providers update this record themselves, so call before visiting.

How can I verify Thomas Gast, MD'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 Thomas Gast, MD's MIPS final score?

The 2023 MIPS final score is 84.6 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.