DR. THOMAS R JR. VANDERHEYDEN (D.O.) – Internal Medicine Physician, NPI 1528222387

DR. THOMAS R JR. VANDERHEYDEN (D.O.) is a healthcare provider. based in South bend, Indiana. specializing in GASTROENTEROLOGY, INTERNAL MEDICINE. They hold the professional credentials D.O.. They hold a License No. 125-050866 (IL). The NPI Number for DR. THOMAS R JR. VANDERHEYDEN (D.O.) is 1528222387

Main info

Male
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS R JR. VANDERHEYDEN (D.O.)
NPI
1528222387
Phone
(574) 234-0049
Address
17501 GENERATIONS DR
Enumeration Date
10 July 2008
Last Update Date
28 August 2012

Doctor Profile

Medical School Name
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Secondary Phone
5747808602
Graduation Year
2006 (20 years ago)
PAC ID
7113183088
Group Practice PAC ID
2163529892
Professional Enrollment ID
I20120720000240
Address ID
IN465637830PL1919XAVEX383
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:17State licenses:2Digital endpointsOther names

448 GASTROENTEROLOGY in IN

Provider Addresses for DR. THOMAS R JR. VANDERHEYDEN (D.O.)

  • 17501 GENERATIONS DR

    SOUTH BEND, IN 466351589

    Phone: (574) 234-0049

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 213 Open Payments records for all available years, with a total value of $3,381.

Total Amount is formed as General ($3,381) + Research ($0) + Ownership ($0) = $3,381.

Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($1,154).

Total Amount

$3,381

General + Research + Ownership

Payments

213

Total payment records

General Amount

$3,381

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-23

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2012-07-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20120720000240IInternal MedicineINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
45385Removal of polyps or growths of large bowel using an endoscope with mechanical snare241240$0
43239Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope150146$0
99213Established patient office or other outpatient visit, 20-29 minutes137121$0
99214Established patient office or other outpatient visit, 30-39 minutes10589$0
45380Biopsy of large bowel using a flexible endoscope6464$0
View full utilization report →

Insurance plans in this area (ZIP 46635)

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Provider's Procedures

DR. THOMAS R JR. VANDERHEYDEN (D.O.) performs procedures in GASTROENTEROLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEIN45385Removal of polyps or growths of large bowel using an endoscope196194

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2163529892View full group profile
NameSpecialtyState
Internal Medicine, GastroenterologyIN
Nurse PractitionerIN
G A S T R O E N T E R O L O G YIL
Internal Medicine, GastroenterologyIN
-IN
Nurse PractitionerIN
Internal Medicine, GastroenterologyIN
Internal MedicineIN
Nurse PractitionerIN
Nurse PractitionerIN

Reviews

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Frequently asked questions

Can I cross-check DR. THOMAS R JR. VANDERHEYDEN (D.O.) using NPI 1528222387?
NPI 1528222387 belongs to DR. THOMAS R JR. VANDERHEYDEN (D.O.); compare other details if you need extra assurance.
Is DR. THOMAS R JR. VANDERHEYDEN (D.O.) still an active registrant?
DR. THOMAS R JR. VANDERHEYDEN (D.O.) carries an active NPI according to the public dataset.
What kind of doctor is DR. THOMAS R JR. VANDERHEYDEN (D.O.)?
DR. THOMAS R JR. VANDERHEYDEN (D.O.) is associated with Internal Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
Where in Indiana is DR. THOMAS R JR. VANDERHEYDEN (D.O.) registered?
Use South Bend, Indiana as the headline location for DR. THOMAS R JR. VANDERHEYDEN (D.O.) here.
Can I trust this NPI listing for DR. THOMAS R JR. VANDERHEYDEN (D.O.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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