Dr. Joanne T. Vonmach, MD
- Medicare services, 2024
- 69
- Medicare patients, 2024
- 132
- Hospital affiliations
- 4
- Industry payments
- $41
- Medical groups
- 2
- Practice address
- 3990 John R Street, Detroit, MI 48201
- Practice phone
- Call (313) 745-6211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vonmach'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. Joanne T. Vonmach is an anesthesiologist in Detroit, Michigan
Dr. Vonmach practices at DMC Harper University Hospital in Detroit, Michigan, part of Tenet Healthcare.
Dr. Vonmach's NPI, 1811061997, was assigned on November 20, 2006. Dr. Vonmach graduated from Wayne State University School of Medicine in 1990. Dr. Vonmach holds Michigan license 4301054068.
- NPI
- 1811061997NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537054630
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 745-6211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanne T. Vonmach practices at DMC Harper University Hospital in Detroit, Michigan
Dr. Vonmach's primary practice is DMC Harper University Hospital, at 3990 John R Street, Detroit, MI 48201 in Wayne County. The practice phone is (313) 745-6211.
- DMC Harper University Hospital3990 John R Street, Detroit, MI 48201 · Wayne CountyPhone(313) 745-6211
Source: Dmand AI Affiliation Data
Dr. Joanne T. Vonmach is affiliated with 5 sites of care and 2 medical groups
Dr. Vonmach's primary practice is DMC Harper University Hospital in Detroit, Michigan, part of Tenet Healthcare. Dr. Vonmach is also affiliated with DMC Detroit Receiving Hospital. The medical group on file is NorthStar Anesthesia. Dmand AI also links Dr. Vonmach to 2 more hospitals, 1 hospital outpatient department and 1 medical group, 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. Joanne T. Vonmach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vonmach practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DMC Harper University Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joanne T. Vonmach is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Dr. Vonmach's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Vonmach is licensed in Michigan.
Specialties and state licenses
- Anesthesiology, MichiganPrimary
Anesthesiologists near Dr. Vonmach
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. Joanne T. Vonmach billed Medicare for 69 services in 2024
CMS data shows 69 Medicare services from Dr. Vonmach across 2 procedure codes in 2024, for 132 Medicare patients. Medicare paid $4,350 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vonmach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 812024: 6915%
Dr. Vonmach compared with the Michigan median for anesthesiologists, 2024
- Dr. Vonmach
- Michigan median
- Medicare services
- 69vs 8922% below
- Medicare patients
- 132vs 17725% below
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Vonmach'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vonmach and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joanne T. Vonmach treated 132 Medicare patients in 2024, average age 69
CMS counts 132 Medicare patients who saw Dr. Vonmach in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 57% are also on Medicaid. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Vonmach's median patient age at 64, with 55% women.
Dr. Vonmach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Vonmach's Medicare patients by sex, 2024
- Women8867%
- Men4433%
Chronic conditions among Dr. Vonmach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Diabetes56%
- Arthritis55%
- Ischemic heart disease44%
- Heart failure43%
- COPD42%
- Chronic kidney disease41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vonmach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Joanne T. Vonmach takes part in Medicare
Dr. Vonmach 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)
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Dr. Joanne T. Vonmach received $41 in industry payments from 2018 to 2025
CMS Open Payments shows 2 general payments to Dr. Vonmach from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $23.
General payments to Dr. Vonmach by program year, 2018 to 2025
Companies that paid Dr. Vonmach the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joanne T. Vonmach graduated from Wayne State University School of Medicine
Dr. Vonmach graduated from Wayne State University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joanne T. Vonmach'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. Joanne T. Vonmach
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. Joanne T. Vonmach's NPI number?
Dr. Joanne T. Vonmach's NPI number is 1811061997. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanne T. Vonmach?
Dr. Joanne T. Vonmach is an anesthesiologist in Detroit, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Joanne T. Vonmach practice?
Dr. Vonmach practices at 3990 John R Street, Detroit, MI 48201. Dr. Vonmach's primary practice is DMC Harper University Hospital in Detroit, Michigan, part of Tenet Healthcare. Dmand AI also links Dr. Vonmach to 2 hospitals, 1 hospital outpatient department and 1 medical group.
What is Dr. Joanne T. Vonmach's office phone number?
The practice phone on file for Dr. Vonmach is (313) 745-6211.
What is Dr. Joanne T. Vonmach's medical license number?
Dr. Vonmach holds Michigan license 4301054068.
Which hospitals is Dr. Joanne T. Vonmach affiliated with?
Dr. Vonmach practices at DMC Harper University Hospital in Detroit, Michigan. Dr. Vonmach is also affiliated with DMC Detroit Receiving Hospital. Dmand AI links Dr. Vonmach to 2 more hospitals.
What medical group is Dr. Joanne T. Vonmach part of?
Dr. Vonmach is linked to NorthStar Anesthesia. Dmand AI links Dr. Vonmach to 1 more medical group.
Does Dr. Joanne T. Vonmach accept Medicare?
Yes. CMS data shows Dr. Vonmach billed Medicare for 69 services in 2024, and Dr. Vonmach accepts Medicare assignment.
How many Medicare patients does Dr. Joanne T. Vonmach see?
CMS counts 132 Medicare patients who saw Dr. Vonmach in 2024, with an average age of 69.
What services does Dr. Joanne T. Vonmach bill to Medicare?
In 2024, Dr. Vonmach's most billed Medicare services were anesthesia (00731) and anesthesia (00811).
Show 3 more questionsShow fewer questions
Where did Dr. Joanne T. Vonmach go to medical school?
Dr. Vonmach graduated from Wayne State University School of Medicine in 1990.
Has Dr. Joanne T. Vonmach received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Vonmach from 2 companies from 2018 to 2025. The largest total came from Mallinckrodt LLC.
How long has Dr. Joanne T. Vonmach been practicing?
Dr. Vonmach graduated from medical school in 1990, 36 years ago.
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