Dr. Dennis Robert Vandorp Jr., MD
- Medicare services, 2024
- 240
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 238
- Hospital affiliations
- 4
- Industry payments
- $8,182
- Practice address
- 4000 Wellness Drive, Midland, MI 48670
- Practice phone
- Call (989) 839-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vandorp'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. Dennis Robert Vandorp Jr. is a general surgeon in Midland, Michigan
Dr. Vandorp practices at MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health.
Dr. Vandorp's NPI, 1659615789, was assigned on November 15, 2012. Dr. Vandorp graduated from Wayne State University School of Medicine in 2012. Dr. Vandorp holds Michigan license 4301100875.
- NPI
- 1659615789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709177025
- NPI enumeration date
- November 15, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 839-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dennis Robert Vandorp Jr. practices at MyMichigan Medical Center Midland in Midland, Michigan
Dr. Vandorp's primary practice is MyMichigan Medical Center Midland, at 4000 Wellness Drive, Midland, MI 48670 in Midland County. The practice phone is (989) 839-3000.
- MyMichigan Medical Center Midland4000 Wellness Drive, Midland, MI 48670 · Midland CountyPhone(989) 839-3000
Source: Dmand AI Affiliation Data
Dr. Dennis Robert Vandorp Jr. is affiliated with 5 sites of care and 2 medical groups
Dr. Vandorp's primary practice is MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health. Dr. Vandorp is also affiliated with MyMichigan Medical Center Clare. The medical group on file is MyMichigan Medical Center Midland. Dmand AI also links Dr. Vandorp to 2 more hospitals, 1 group practice or clinic 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. Dennis Robert Vandorp Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vandorp practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MyMichigan Medical Center Midland | 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. Dennis Robert Vandorp Jr. is one of 1,095 general surgeons in Michigan
Surgery is Dr. Vandorp's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Vandorp is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Vandorp
Counts of general surgeons 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. Dennis Robert Vandorp Jr. billed Medicare for 240 services in 2024
CMS data shows 240 Medicare services from Dr. Vandorp across 9 procedure codes in 2024, for 169 Medicare patients. Medicare paid $27,226 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vandorp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2212024: 2273%
- Surgery
- 2023: 282024: 1354%
Dr. Vandorp compared with the Michigan median for general surgeons, 2024
- Dr. Vandorp
- Michigan median
- Medicare services
- 240vs 12690% above
- Medicare patients
- 169vs 10758% above
- Part D claims
- 190vs 306.3 times
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Vandorp'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. Vandorp and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dennis Robert Vandorp Jr. treated 169 Medicare patients in 2024, average age 72
CMS counts 169 Medicare patients who saw Dr. Vandorp in 2024. The largest group is 75 to 84, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.11, 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. Vandorp's median patient age at 60, with 47% women.
Dr. Vandorp's Medicare patients by age, 2024
Dr. Vandorp's Medicare patients by sex, 2024
- Women7746%
- Men9254%
Chronic conditions among Dr. Vandorp's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Chronic kidney disease38%
- Ischemic heart disease38%
- Anxiety37%
- Diabetes36%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vandorp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dennis Robert Vandorp Jr. wrote 238 Medicare Part D claims in 2024
In 2024, Dr. Vandorp wrote 238 Medicare Part D claims for 116 patients. 100% of them were for generic drugs. CMS names the drug for 190 of them, across 4 drugs with 11 or more claims each, at $428 in total drug cost. In 2023, CMS named 219 claims across 6 drugs.
Dr. Vandorp's Part D claims by kind of drug, 2024
- Generic237 claims100%
- Brand-name and other1 claims0%
Dr. Vandorp'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. Vandorp's Part D claims, 2024
- Opioids45%108 of 238 claims
- Antibiotics8%18 of 238 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: 2192024: 19013%
Drugs named by CMS: 4 in 2024, 6 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. Dennis Robert Vandorp Jr. ranks in the 92nd percentile for hernia repair (minimally invasive) in Medicare
Dr. Vandorp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of hernia repair (minimally invasive) by Dr. Vandorp, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Vandorp ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 92nd percentile24 procedures
- Removal of tissue
- 67th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dennis Robert Vandorp Jr. received $8,182 in industry payments from 2016 to 2025
CMS Open Payments shows 67 general payments to Dr. Vandorp from 12 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 40% of the total. Intuitive Surgical, Inc. paid the most, $5,530.
General payments to Dr. Vandorp by program year, 2016 to 2025
General payments to Dr. Vandorp by kind, 2016 to 2025
- Travel and lodging$3,24040%
- Education$3,00037%
- Food and beverage$1,94324%
Companies that paid Dr. Vandorp 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. Dennis Robert Vandorp Jr. graduated from Wayne State University School of Medicine
Dr. Vandorp graduated from Wayne State University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dennis Robert Vandorp 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)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. Dennis Robert Vandorp 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. Dennis Robert Vandorp Jr.'s NPI number?
Dr. Dennis Robert Vandorp Jr.'s NPI number is 1659615789. It was assigned on November 15, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Dennis Robert Vandorp Jr.?
Dr. Dennis Robert Vandorp Jr. is a general surgeon in Midland, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Dennis Robert Vandorp Jr. practice?
Dr. Vandorp practices at 4000 Wellness Drive, Midland, MI 48670. Dr. Vandorp's primary practice is MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health. Dmand AI also links Dr. Vandorp to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Dennis Robert Vandorp Jr.'s office phone number?
The practice phone on file for Dr. Vandorp is (989) 839-3000.
What is Dr. Dennis Robert Vandorp Jr.'s medical license number?
Dr. Vandorp holds Michigan license 4301100875.
Which hospitals is Dr. Dennis Robert Vandorp Jr. affiliated with?
Dr. Vandorp practices at MyMichigan Medical Center Midland in Midland, Michigan. Dr. Vandorp is also affiliated with MyMichigan Medical Center Clare. Dmand AI links Dr. Vandorp to 2 more hospitals.
What medical group is Dr. Dennis Robert Vandorp Jr. part of?
Dr. Vandorp is linked to MyMichigan Medical Center Midland. Dmand AI links Dr. Vandorp to 1 more medical group.
Does Dr. Dennis Robert Vandorp Jr. accept Medicare?
Yes. CMS data shows Dr. Vandorp billed Medicare for 240 services in 2024, and Dr. Vandorp accepts Medicare assignment.
How many Medicare patients does Dr. Dennis Robert Vandorp Jr. see?
CMS counts 169 Medicare patients who saw Dr. Vandorp in 2024, with an average age of 72.
What services does Dr. Dennis Robert Vandorp Jr. bill to Medicare?
In 2024, Dr. Vandorp's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Dr. Dennis Robert Vandorp Jr. go to medical school?
Dr. Vandorp graduated from Wayne State University School of Medicine in 2012.
What drugs does Dr. Dennis Robert Vandorp Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Vandorp's most prescribed drugs by claims were Ibuprofen, Oxycodone HCl and Tramadol HCl.
Has Dr. Dennis Robert Vandorp Jr. received payments from drug or device companies?
CMS Open Payments shows $8,182 in general payments to Dr. Vandorp from 12 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Dennis Robert Vandorp Jr. been practicing?
Dr. Vandorp graduated from medical school in 2012, 14 years ago.
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