Dr. Mark Winfield Wedder, DO
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 69
- Hospital affiliations
- 1
- Industry payments
- $262
- Medical groups
- 2
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Wedder'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. Mark Winfield Wedder is an anesthesiologist in Grand Rapids, Michigan
Dr. Wedder practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Wedder's NPI, 1750361044, was assigned on January 20, 2006. Dr. Wedder graduated from Michigan State University College of Osteopathic Medicine in 1998. Dr. Wedder holds Michigan license 5101013737.
- NPI
- 1750361044NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466640040
- NPI enumeration date
- January 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Winfield Wedder practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Wedder's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Mark Winfield Wedder is affiliated with 1 site of care and 2 medical groups
Dr. Wedder's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Wedder 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. Mark Winfield Wedder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wedder practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Winfield Wedder is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Dr. Wedder's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Wedder is licensed in Michigan.
Specialties and state licenses
- Anesthesiology, MichiganPrimary
Anesthesiologists near Dr. Wedder
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. Mark Winfield Wedder billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Wedder across 2 procedure codes in 2024, for 69 Medicare patients. Medicare paid $2,195 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wedder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 422024: 3029%
- Anesthesia
- 2023: 332024: 1361%
Dr. Wedder compared with the Michigan median for anesthesiologists, 2024
- Dr. Wedder
- Michigan median
- Medicare services
- 43vs 8952% below
- Medicare patients
- 69vs 17761% below
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Wedder'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. Wedder and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Winfield Wedder treated 69 Medicare patients in 2024, average age 75
CMS counts 69 Medicare patients who saw Dr. Wedder in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.61, 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. Wedder's median patient age at 69, with 38% women.
Dr. Wedder's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wedder's Medicare patients by sex, 2024
- Women2435%
- Men4565%
Chronic conditions among Dr. Wedder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Heart failure55%
- Arthritis46%
- Atrial fibrillation45%
- Chronic kidney disease39%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wedder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mark Winfield Wedder takes part in Medicare
Dr. Wedder 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. Mark Winfield Wedder received $262 in industry payments from 2016 to 2024
CMS Open Payments shows 8 general payments to Dr. Wedder from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 62% of the total. Merck Sharp & Dohme Corporation paid the most, $100.
General payments to Dr. Wedder by program year, 2016 to 2024
General payments to Dr. Wedder by kind, 2016 to 2024
- Food and beverage$16262%
- Consulting fees$10038%
Companies that paid Dr. Wedder the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Winfield Wedder graduated from Michigan State University College of Osteopathic Medicine
Dr. Wedder graduated from Michigan State University College of Osteopathic Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Winfield Wedder'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. Mark Winfield Wedder
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. Mark Winfield Wedder's NPI number?
Dr. Mark Winfield Wedder's NPI number is 1750361044. It was assigned on January 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Winfield Wedder?
Dr. Mark Winfield Wedder is an anesthesiologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark Winfield Wedder practice?
Dr. Wedder practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Wedder's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Wedder to 1 medical group.
What is Dr. Mark Winfield Wedder's office phone number?
The practice phone on file for Dr. Wedder is (616) 391-1774.
What is Dr. Mark Winfield Wedder's medical license number?
Dr. Wedder holds Michigan license 5101013737.
Which hospitals is Dr. Mark Winfield Wedder affiliated with?
Dr. Wedder practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.
What medical group is Dr. Mark Winfield Wedder part of?
Dr. Wedder is linked to Corewell Health Medical Group West. Dmand AI links Dr. Wedder to 1 more medical group.
Does Dr. Mark Winfield Wedder accept Medicare?
Yes. CMS data shows Dr. Wedder billed Medicare for 43 services in 2024, and Dr. Wedder accepts Medicare assignment.
How many Medicare patients does Dr. Mark Winfield Wedder see?
CMS counts 69 Medicare patients who saw Dr. Wedder in 2024, with an average age of 75.
What services does Dr. Mark Winfield Wedder bill to Medicare?
In 2024, Dr. Wedder's most billed Medicare services were surgery: heart and blood vessels (36620) and anesthesia (00142).
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Where did Dr. Mark Winfield Wedder go to medical school?
Dr. Wedder graduated from Michigan State University College of Osteopathic Medicine in 1998.
Has Dr. Mark Winfield Wedder received payments from drug or device companies?
CMS Open Payments shows $262 in general payments to Dr. Wedder from 7 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Mark Winfield Wedder been practicing?
Dr. Wedder graduated from medical school in 1998, 28 years ago.
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