Thomas J. Onderlinde, PA-C
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 842
- Hospital affiliations
- 3
- Industry payments
- $49
- Medical groups
- 3
- Practice address
- 601 John Street, Kalamazoo, MI 49007
- Practice phone
- Call (269) 341-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Thomas Onderlinde'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.
Thomas J. Onderlinde is a physician assistant in Kalamazoo, Michigan
Thomas Onderlinde practices at Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group.
Thomas Onderlinde's NPI, 1326567264, was assigned on September 12, 2017. Thomas Onderlinde holds Michigan license 5601008374.
- NPI
- 1326567264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254697147
- NPI enumeration date
- September 12, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 341-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas J. Onderlinde practices at Bronson Methodist Hospital in Kalamazoo, Michigan
Thomas Onderlinde's primary practice is Bronson Methodist Hospital, at 601 John Street, Kalamazoo, MI 49007 in Kalamazoo County. The practice phone is (269) 341-6000.
- Bronson Methodist Hospital601 John Street, Kalamazoo, MI 49007 · Kalamazoo CountyPhone(269) 341-6000
Source: Dmand AI Affiliation Data
Thomas J. Onderlinde is affiliated with 5 sites of care and 3 medical groups
Thomas Onderlinde's primary practice is Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group. Thomas Onderlinde is also affiliated with Beacon Kalamazoo. The medical group on file is Bronson Medical Group. Dmand AI also links Thomas Onderlinde to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Thomas J. Onderlinde's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Onderlinde practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bronson Methodist Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Bronson Healthcare Group and 6.2K+ hospitals, with verified contacts in the same login.
Thomas J. Onderlinde is one of 5,857 physician assistants in Michigan
Physician assistant is Thomas Onderlinde's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Thomas Onderlinde is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Thomas Onderlinde
Counts of physician assistants 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
Thomas J. Onderlinde treated 98 Medicare patients in 2024, average age 76
CMS counts 98 Medicare patients who saw Thomas Onderlinde in 2024. The largest group is 75 to 84, with 44 patients. 71% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Thomas Onderlinde's median patient age at 67, with 51% women.
Thomas Onderlinde's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Thomas Onderlinde's Medicare patients by sex, 2024
- Women5960%
- Men3940%
Chronic conditions among Thomas Onderlinde's Medicare patients, 2024
- High blood pressure71%
- High cholesterol64%
- Arthritis52%
- Chronic kidney disease35%
- Diabetes33%
- Anxiety28%
- Ischemic heart disease28%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Thomas Onderlinde's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas J. Onderlinde wrote 842 Medicare Part D claims in 2024
In 2024, Thomas Onderlinde wrote 842 Medicare Part D claims for 298 patients. 92% of them were for generic drugs.
Thomas Onderlinde's Part D claims by kind of drug, 2024
- Generic778 claims92%
- Brand-name and other64 claims8%
Drug classes CMS tracks in Thomas Onderlinde's Part D claims, 2024
- Opioids7%58 of 842 claims
- Antibiotics11%90 of 842 claims
- Antipsychotics, patients 65 and over2%14 of 842 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Thomas J. Onderlinde takes part in Medicare
Thomas Onderlinde accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Thomas J. Onderlinde received $49 in industry payments in 2025
CMS Open Payments shows 2 general payments to Thomas Onderlinde from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $29.
Companies that paid Thomas Onderlinde the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Thomas J. Onderlinde'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 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Thomas J. Onderlinde
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas J. Onderlinde's NPI number?
Thomas J. Onderlinde's NPI number is 1326567264. It was assigned on September 12, 2017, and it is active in the NPI Registry.
What does Thomas J. Onderlinde specialize in?
Thomas J. Onderlinde is a physician assistant in Kalamazoo, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Thomas J. Onderlinde practice?
Thomas Onderlinde practices at 601 John Street, Kalamazoo, MI 49007. Thomas Onderlinde's primary practice is Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group. Dmand AI also links Thomas Onderlinde to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Thomas J. Onderlinde's office phone number?
The practice phone on file for Thomas Onderlinde is (269) 341-6000.
What is Thomas J. Onderlinde's medical license number?
Thomas Onderlinde holds Michigan license 5601008374.
Which hospitals is Thomas J. Onderlinde affiliated with?
Thomas Onderlinde practices at Bronson Methodist Hospital in Kalamazoo, Michigan. Thomas Onderlinde is also affiliated with Beacon Kalamazoo. Dmand AI links Thomas Onderlinde to 1 more hospital.
What medical group is Thomas J. Onderlinde part of?
Thomas Onderlinde is linked to Bronson Medical Group. Dmand AI links Thomas Onderlinde to 2 more medical groups.
Does Thomas J. Onderlinde accept Medicare?
Yes. CMS lists Thomas Onderlinde as accepting Medicare assignment.
How many Medicare patients does Thomas J. Onderlinde see?
CMS counts 98 Medicare patients who saw Thomas Onderlinde in 2024, with an average age of 76.
Has Thomas J. Onderlinde received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Thomas Onderlinde from 2 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Thomas J. Onderlinde been practicing?
Thomas Onderlinde graduated from medical school in 2017, 9 years ago.
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