Dr. Thomas R. Vanderheyden Jr., DO
- Medicare services, 2024
- 911
- Medicare patients, 2024
- 669
- Part D claims, 2024
- 2,397
- MIPS score, 2024
- 50
- Hospital affiliations
- 5
- Practice address
- 53830 Generations Dr Ste A, South Bend, IN 46635
- Practice phone
- Call (574) 271-0893
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Michiana Endoscopy Center
Surgery Center - Medicare-Certified · South Bend, Indiana
Find Dr. Vanderheyden's 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.
Dr. Thomas R. Vanderheyden Jr. is an internist in South Bend, Indiana
Dr. Vanderheyden practices at Michiana Endoscopy Center in South Bend, Indiana.
Dr. Vanderheyden's NPI, 1528222387, was assigned on July 10, 2008. Dr. Vanderheyden graduated from Midwestern University, Chicago College of Osteopathic Med in 2006. Dr. Vanderheyden holds Indiana license 02004009A.
- NPI
- 1528222387NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113183088
- NPI enumeration date
- July 10, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 271-0893
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas R. Vanderheyden Jr. practices at Michiana Endoscopy Center in South Bend, Indiana
Dr. Vanderheyden's primary practice is Michiana Endoscopy Center, at 53830 Generations Dr Ste A, South Bend, IN 46635. The practice phone is (574) 271-0893.
- Michiana Endoscopy Center53830 Generations Dr Ste A, South Bend, IN 46635Phone(574) 271-0893
Source: Dmand AI Affiliation Data
Dr. Thomas R. Vanderheyden Jr. is affiliated with 7 sites of care and 1 medical group
Dr. Vanderheyden's primary practice is Michiana Endoscopy Center in South Bend, Indiana. Dr. Vanderheyden is also affiliated with Memorial Hospital of South Bend. The medical group on file is Michiana Gastroenterology, Inc. Dmand AI also links Dr. Vanderheyden to 4 more hospitals 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 Dr. Thomas R. Vanderheyden Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vanderheyden practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Michiana Endoscopy Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas R. Vanderheyden Jr. is one of 1,987 internists in Indiana
Internal medicine is Dr. Vanderheyden's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Vanderheyden's licenses on file in 2 states: Indiana and Illinois.
Specialties and state licenses
- Internal medicine, IndianaPrimary
- Illinois license
Internists near Dr. Vanderheyden
Counts of internists 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
Dr. Thomas R. Vanderheyden Jr. billed Medicare for 911 services in 2024
CMS data shows 911 Medicare services from Dr. Vanderheyden across 16 procedure codes in 2024, for 669 Medicare patients. Medicare paid $104,626 for them.
Dr. Vanderheyden's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 5862024: 6013%
- Office and hospital visits
- 2023: 3962024: 25236%
- Other services
- 2023: 632024: 588%
Where Dr. Vanderheyden's Medicare services took place, 2024
- In an office14216%
- In a facility76984%
Dr. Vanderheyden compared with the Indiana median for internists, 2024
- Dr. Vanderheyden
- Indiana median
- Medicare services
- 911vs 52075% above
- Medicare patients
- 669vs 2123.2 times
- Part D claims
- 2,172vs 15913.7 times
Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.
Dr. Vanderheyden's 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas R. Vanderheyden Jr. treated 669 Medicare patients in 2024, average age 72
CMS counts 669 Medicare patients who saw Dr. Vanderheyden in 2024. The largest group is 65 to 74, with 353 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Vanderheyden's median patient age at 65, with 53% women.
Dr. Vanderheyden's Medicare patients by age, 2024
Dr. Vanderheyden's Medicare patients by sex, 2024
- Women37957%
- Men29043%
Chronic conditions among Dr. Vanderheyden's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis46%
- Diabetes29%
- Mood disorders25%
- Ischemic heart disease24%
- Depression23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vanderheyden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas R. Vanderheyden Jr. wrote 2,397 Medicare Part D claims in 2024
In 2024, Dr. Vanderheyden wrote 2,397 Medicare Part D claims for 985 patients. 78% of them were for generic drugs. CMS names the drug for 2,172 of them, across 39 drugs with 11 or more claims each, at $1,577,407 in total drug cost. In 2023, CMS named 2,116 claims across 42 drugs.
Dr. Vanderheyden's Part D claims by kind of drug, 2024
- Generic1,881 claims78%
- Brand-name and other516 claims22%
Dr. Vanderheyden's 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 Dr. Vanderheyden's Part D claims, 2024
- Antibiotics7%167 of 2,397 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: 2,1162024: 2,1723%
Drugs named by CMS: 39 in 2024, 42 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
Dr. Thomas R. Vanderheyden Jr. scored 50 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 50 out of 100 for Dr. Vanderheyden for performance year 2024, reported individually. Dr. Vanderheyden accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 296 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Vanderheyden, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Vanderheyden's MIPS scores, performance year 2024
- 50of 100Final score
- 0of 100Quality
- 40of 100Improvement Activities
- 67of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Vanderheyden ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 95th percentile296 procedures
- Colonoscopy
- 94th percentile212 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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Dr. Thomas R. Vanderheyden Jr. received $13,422 in industry payments from 2016 to 2025
CMS Open Payments shows 928 general payments to Dr. Vanderheyden from 41 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $4,279.
General payments to Dr. Vanderheyden by program year, 2016 to 2025
General payments to Dr. Vanderheyden by kind, 2016 to 2025
- Food and beverage$13,31699%
- Education$1061%
Companies that paid Dr. Vanderheyden the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas R. Vanderheyden Jr. graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Vanderheyden graduated from Midwestern University, Chicago College of Osteopathic Med in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas R. Vanderheyden Jr.'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Thomas R. Vanderheyden Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas R. Vanderheyden Jr.'s NPI number?
Dr. Thomas R. Vanderheyden Jr.'s NPI number is 1528222387. It was assigned on July 10, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas R. Vanderheyden Jr.?
Dr. Thomas R. Vanderheyden Jr. is an internist in South Bend, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas R. Vanderheyden Jr. practice?
Dr. Vanderheyden practices at 53830 Generations Dr Ste A, South Bend, IN 46635. Dr. Vanderheyden's primary practice is Michiana Endoscopy Center in South Bend, Indiana. Dmand AI also links Dr. Vanderheyden to 4 hospitals and 1 group practice or clinic.
What is Dr. Thomas R. Vanderheyden Jr.'s office phone number?
The practice phone on file for Dr. Vanderheyden is (574) 271-0893.
What is Dr. Thomas R. Vanderheyden Jr.'s medical license number?
Dr. Vanderheyden holds Indiana license 02004009A, one of the licenses on file in 2 states.
Which states has Dr. Thomas R. Vanderheyden Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Vanderheyden in Indiana and Illinois.
Which hospitals is Dr. Thomas R. Vanderheyden Jr. affiliated with?
Dr. Vanderheyden is affiliated with Memorial Hospital of South Bend. Dmand AI links Dr. Vanderheyden to 4 more hospitals.
What medical group is Dr. Thomas R. Vanderheyden Jr. part of?
Dr. Vanderheyden is linked to Michiana Gastroenterology, Inc.
Does Dr. Thomas R. Vanderheyden Jr. accept Medicare?
Yes. CMS data shows Dr. Vanderheyden billed Medicare for 911 services in 2024, and Dr. Vanderheyden accepts Medicare assignment.
What is Dr. Thomas R. Vanderheyden Jr.'s MIPS score?
Dr. Vanderheyden's MIPS final score for performance year 2024 is 50 out of 100, reported individually.
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How many Medicare patients does Dr. Thomas R. Vanderheyden Jr. see?
CMS counts 669 Medicare patients who saw Dr. Vanderheyden in 2024, with an average age of 72.
What services does Dr. Thomas R. Vanderheyden Jr. bill to Medicare?
In 2024, Dr. Vanderheyden's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and office visit, established patient (99214).
Where did Dr. Thomas R. Vanderheyden Jr. go to medical school?
Dr. Vanderheyden graduated from Midwestern University, Chicago College of Osteopathic Med in 2006.
What drugs does Dr. Thomas R. Vanderheyden Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Vanderheyden's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Gavilyte-G.
Has Dr. Thomas R. Vanderheyden Jr. received payments from drug or device companies?
CMS Open Payments shows $13,422 in general payments to Dr. Vanderheyden from 41 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Thomas R. Vanderheyden Jr. been practicing?
Dr. Vanderheyden graduated from medical school in 2006, 20 years ago.
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