Dr. Robert Isaac Hieronimus, MD
- Medicare services, 2024
- 102
- Medicare patients, 2024
- 274
- Hospital affiliations
- 2
- Industry payments
- $402
- Medical groups
- 2
- Practice address
- 1105 Sixth Street, Traverse City, MI 49684
- Practice phone
- Call (231) 935-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hieronimus' 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. Robert Isaac Hieronimus is an anesthesiologist in Traverse City, Michigan
Dr. Hieronimus practices at Munson Medical Center in Traverse City, Michigan, part of Munson Healthcare.
Dr. Hieronimus' NPI, 1043519648, was assigned on March 22, 2011. Dr. Hieronimus graduated from Medical College of Ohio in 2011. Dr. Hieronimus holds Vermont license 042.0013398.
- NPI
- 1043519648NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678878881
- NPI enumeration date
- March 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 935-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Isaac Hieronimus practices at Munson Medical Center in Traverse City, Michigan
Dr. Hieronimus' primary practice is Munson Medical Center, at 1105 Sixth Street, Traverse City, MI 49684 in Grand Traverse County. The practice phone is (231) 935-5000.
- Munson Medical Center1105 Sixth Street, Traverse City, MI 49684 · Grand Traverse CountyPhone(231) 935-5000
Source: Dmand AI Affiliation Data
Dr. Robert Isaac Hieronimus is affiliated with 2 sites of care and 2 medical groups
Dr. Hieronimus' primary practice is Munson Medical Center in Traverse City, Michigan, part of Munson Healthcare. Dr. Hieronimus is also affiliated with Munson Healthcare Cadillac Hospital. The medical group on file is Munson Healthcare Endocrinology & Metabolism. Dmand AI also links Dr. Hieronimus to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Isaac Hieronimus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hieronimus practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Munson Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Munson Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Isaac Hieronimus is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Dr. Hieronimus' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Hieronimus is licensed in Vermont.
Specialties and state licenses
- Anesthesiology, VermontPrimary
Anesthesiologists near Dr. Hieronimus
Counts of anesthesiologists 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. Robert Isaac Hieronimus billed Medicare for 102 services in 2024
CMS data shows 102 Medicare services from Dr. Hieronimus across 7 procedure codes in 2024, for 274 Medicare patients. Medicare paid $6,367 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hieronimus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 812024: 7310%
- Surgery
- 2023: 342024: 1750%
- Tests and treatments
- 2023: 182024: 1233%
- Imaging
- 2023: 162024: 0100%
Dr. Hieronimus compared with the Michigan median for anesthesiologists, 2024
- Dr. Hieronimus
- Michigan median
- Medicare services
- 102vs 8915% above
- Medicare patients
- 274vs 17755% above
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Hieronimus' 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.
Need commercial claims for Dr. Hieronimus?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hieronimus and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Isaac Hieronimus treated 274 Medicare patients in 2024, average age 73
CMS counts 274 Medicare patients who saw Dr. Hieronimus in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hieronimus' median patient age at 70, with 54% women.
Dr. Hieronimus' Medicare patients by age, 2024
Dr. Hieronimus' Medicare patients by sex, 2024
- Women15055%
- Men12445%
Chronic conditions among Dr. Hieronimus' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease31%
- Mood disorders30%
- Anxiety28%
- Diabetes27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hieronimus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert Isaac Hieronimus takes part in Medicare
Dr. Hieronimus 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.
Dr. Robert Isaac Hieronimus received $402 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Hieronimus from 1 drug or device company in 2016. Education make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $402.
Companies that paid Dr. Hieronimus the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Isaac Hieronimus graduated from Medical College of Ohio
Dr. Hieronimus graduated from Medical College of Ohio in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Isaac Hieronimus'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) |
| 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) |
| 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. Robert Isaac Hieronimus
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. Robert Isaac Hieronimus' NPI number?
Dr. Robert Isaac Hieronimus' NPI number is 1043519648. It was assigned on March 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Isaac Hieronimus?
Dr. Robert Isaac Hieronimus is an anesthesiologist in Traverse City, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Robert Isaac Hieronimus practice?
Dr. Hieronimus practices at 1105 Sixth Street, Traverse City, MI 49684. Dr. Hieronimus' primary practice is Munson Medical Center in Traverse City, Michigan, part of Munson Healthcare. Dmand AI also links Dr. Hieronimus to 1 medical group.
What is Dr. Robert Isaac Hieronimus' office phone number?
The practice phone on file for Dr. Hieronimus is (231) 935-5000.
What is Dr. Robert Isaac Hieronimus' medical license number?
Dr. Hieronimus holds Vermont license 042.0013398.
Which hospitals is Dr. Robert Isaac Hieronimus affiliated with?
Dr. Hieronimus practices at Munson Medical Center in Traverse City, Michigan. Dr. Hieronimus is also affiliated with Munson Healthcare Cadillac Hospital.
What medical group is Dr. Robert Isaac Hieronimus part of?
Dr. Hieronimus is linked to Munson Healthcare Endocrinology & Metabolism. Dmand AI links Dr. Hieronimus to 1 more medical group.
Does Dr. Robert Isaac Hieronimus accept Medicare?
Yes. CMS data shows Dr. Hieronimus billed Medicare for 102 services in 2024, and Dr. Hieronimus accepts Medicare assignment.
How many Medicare patients does Dr. Robert Isaac Hieronimus see?
CMS counts 274 Medicare patients who saw Dr. Hieronimus in 2024, with an average age of 73.
What services does Dr. Robert Isaac Hieronimus bill to Medicare?
In 2024, Dr. Hieronimus' most billed Medicare services were anesthesia (00142), anesthesia (00731) and surgery: heart and blood vessels (36620).
Show 3 more questionsShow fewer questions
Where did Dr. Robert Isaac Hieronimus go to medical school?
Dr. Hieronimus graduated from Medical College of Ohio in 2011.
Has Dr. Robert Isaac Hieronimus received payments from drug or device companies?
CMS Open Payments shows $402 in general payments to Dr. Hieronimus from 1 company from 2016 to 2016. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Robert Isaac Hieronimus been practicing?
Dr. Hieronimus graduated from medical school in 2011, 15 years ago.
Selling to anesthesiology practices?
See anesthesiologists in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card