Dr. Jonathan N. Vonderhaar, MD
- Medicare services, 2024
- 52
- Medicare patients, 2024
- 89
- Part D claims, 2024
- 87
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Practice address
- 1104 E Grace St, Rensselaer, IN 47978
- Practice phone
- Call (219) 866-5141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vonderhaar'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. Jonathan N. Vonderhaar is an emergency medicine physician in Rensselaer, Indiana
Dr. Vonderhaar practices at Franciscan Health Rensselaer in Rensselaer, Indiana, part of Franciscan Alliance.
Dr. Vonderhaar's NPI, 1699173351, was assigned on December 11, 2014. Dr. Vonderhaar graduated from New York Medical College in 2013. Dr. Vonderhaar holds Minnesota license 109178.
- NPI
- 1699173351NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022399666
- NPI enumeration date
- December 11, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 866-5141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan N. Vonderhaar practices at Franciscan Health Rensselaer in Rensselaer, Indiana
Dr. Vonderhaar's primary practice is Franciscan Health Rensselaer, at 1104 E Grace St, Rensselaer, IN 47978 in Jasper County. The practice phone is (219) 866-5141.
- Franciscan Health Rensselaer1104 E Grace St, Rensselaer, IN 47978 · Jasper CountyPhone(219) 866-5141
Source: Dmand AI Affiliation Data
Dr. Jonathan N. Vonderhaar is affiliated with 2 sites of care and 4 medical groups
Dr. Vonderhaar's primary practice is Franciscan Health Rensselaer in Rensselaer, Indiana, part of Franciscan Alliance. Dr. Vonderhaar is also affiliated with M Health Fairview Bethesda Hospital. The medical group on file is SCP Health. Dmand AI also links Dr. Vonderhaar to 3 more 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 Dr. Jonathan N. Vonderhaar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vonderhaar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Franciscan Health Rensselaer | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan N. Vonderhaar is one of 1,275 emergency medicine physicians in Indiana
Emergency medicine is Dr. Vonderhaar's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Vonderhaar's licenses on file in 2 states: Minnesota and Indiana.
Specialties and state licenses
- Emergency medicine, MinnesotaPrimary
- Indiana license
Emergency medicine physicians near Dr. Vonderhaar
Counts of emergency medicine physicians 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. Jonathan N. Vonderhaar billed Medicare for 52 services in 2024
CMS data shows 52 Medicare services from Dr. Vonderhaar across 2 procedure codes in 2024, for 89 Medicare patients. Medicare paid $5,859 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vonderhaar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 662024: 5221%
Dr. Vonderhaar compared with the Indiana median for emergency medicine physicians, 2024
- Dr. Vonderhaar
- Indiana median
- Medicare services
- 52vs 30483% below
- Medicare patients
- 89vs 27768% below
- Part D claims
- 12vs 9287% below
Medians across 1,276 emergency medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Vonderhaar'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. Jonathan N. Vonderhaar treated 89 Medicare patients in 2024, average age 76
CMS counts 89 Medicare patients who saw Dr. Vonderhaar in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Vonderhaar's median patient age at 62, with 42% women.
Dr. Vonderhaar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Vonderhaar's Medicare patients by sex, 2024
- Women4753%
- Men4247%
Chronic conditions among Dr. Vonderhaar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Anxiety37%
- Chronic kidney disease36%
- Ischemic heart disease36%
- Diabetes35%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vonderhaar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan N. Vonderhaar wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Vonderhaar wrote 87 Medicare Part D claims for 69 patients. 97% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $55 in total drug cost.
Dr. Vonderhaar's Part D claims by kind of drug, 2024
- Generic84 claims97%
- Brand-name and other3 claims3%
Dr. Vonderhaar'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. Vonderhaar's Part D claims, 2024
- Antibiotics48%42 of 87 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Jonathan N. Vonderhaar scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Vonderhaar for performance year 2024, reported through an alternative payment model (APM). Dr. Vonderhaar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Vonderhaar's MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jonathan N. Vonderhaar graduated from New York Medical College
Dr. Vonderhaar graduated from New York Medical College in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan N. Vonderhaar'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) |
| 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. Jonathan N. Vonderhaar
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. Jonathan N. Vonderhaar's NPI number?
Dr. Jonathan N. Vonderhaar's NPI number is 1699173351. It was assigned on December 11, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan N. Vonderhaar?
Dr. Jonathan N. Vonderhaar is an emergency medicine physician in Rensselaer, Indiana. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jonathan N. Vonderhaar practice?
Dr. Vonderhaar practices at 1104 E Grace St, Rensselaer, IN 47978. Dr. Vonderhaar's primary practice is Franciscan Health Rensselaer in Rensselaer, Indiana, part of Franciscan Alliance. Dmand AI also links Dr. Vonderhaar to 3 medical groups.
What is Dr. Jonathan N. Vonderhaar's office phone number?
The practice phone on file for Dr. Vonderhaar is (219) 866-5141.
What is Dr. Jonathan N. Vonderhaar's medical license number?
Dr. Vonderhaar holds Minnesota license 109178, one of the licenses on file in 2 states.
Which states has Dr. Jonathan N. Vonderhaar been licensed in?
Dmand AI has state licenses on file for Dr. Vonderhaar in Minnesota and Indiana.
Which hospitals is Dr. Jonathan N. Vonderhaar affiliated with?
Dr. Vonderhaar practices at Franciscan Health Rensselaer in Rensselaer, Indiana. Dr. Vonderhaar is also affiliated with M Health Fairview Bethesda Hospital.
What medical group is Dr. Jonathan N. Vonderhaar part of?
Dr. Vonderhaar is linked to SCP Health. Dmand AI links Dr. Vonderhaar to 3 more medical groups.
Does Dr. Jonathan N. Vonderhaar accept Medicare?
Yes. CMS data shows Dr. Vonderhaar billed Medicare for 52 services in 2024, and Dr. Vonderhaar accepts Medicare assignment.
What is Dr. Jonathan N. Vonderhaar's MIPS score?
Dr. Vonderhaar's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Jonathan N. Vonderhaar see?
CMS counts 89 Medicare patients who saw Dr. Vonderhaar in 2024, with an average age of 76.
What services does Dr. Jonathan N. Vonderhaar bill to Medicare?
In 2024, Dr. Vonderhaar's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Jonathan N. Vonderhaar go to medical school?
Dr. Vonderhaar graduated from New York Medical College in 2013.
What drugs does Dr. Jonathan N. Vonderhaar prescribe most?
In 2024 Medicare Part D data, Dr. Vonderhaar's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
How long has Dr. Jonathan N. Vonderhaar been practicing?
Dr. Vonderhaar graduated from medical school in 2013, 13 years ago.
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