Dr. Mark W. Collar, MD
- Medicare services, 2024
- 162
- Medicare patients, 2024
- 248
- Hospital affiliations
- 2
- Industry payments
- $1,256
- Medical groups
- 5
- Practice address
- 1721 S Stephenson Ave, Iron Mountain, MI 49801
- Practice phone
- Call (906) 774-1313
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Collar's professional email, personal email and mobile number
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Dr. Mark W. Collar is an anesthesiologist in Iron Mountain, Michigan
Dr. Collar practices at Marshfield Medical Center - Dickinson in Iron Mountain, Michigan, part of Sanford Health.
Dr. Collar's NPI, 1659354553, was assigned on November 23, 2005. Dr. Collar graduated from Saint Louis University School of Medicine in 1994. Dr. Collar holds Wisconsin license 38554.
- NPI
- 1659354553NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173514155
- NPI enumeration date
- November 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (906) 774-1313
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark W. Collar practices at Marshfield Medical Center - Dickinson in Iron Mountain, Michigan
Dr. Collar's primary practice is Marshfield Medical Center - Dickinson, at 1721 S Stephenson Ave, Iron Mountain, MI 49801 in Dickinson County. The practice phone is (906) 774-1313.
- Marshfield Medical Center - Dickinson1721 S Stephenson Ave, Iron Mountain, MI 49801 · Dickinson CountyPhone(906) 774-1313
Source: Dmand AI Affiliation Data
Dr. Mark W. Collar is affiliated with 2 sites of care and 5 medical groups
Dr. Collar's primary practice is Marshfield Medical Center - Dickinson in Iron Mountain, Michigan, part of Sanford Health. Dr. Collar is also affiliated with SSM Health Monroe Hospital. The medical group on file is Hospitalist Medicine Physicians of Michigan-Alpena PLLC. Dmand AI also links Dr. Collar to 4 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. Mark W. Collar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Collar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Medical Center - Dickinson | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark W. Collar is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Dr. Collar's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Collar is licensed in Wisconsin.
Specialties and state licenses
- Anesthesiology, WisconsinPrimary
Anesthesiologists near Dr. Collar
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 W. Collar billed Medicare for 162 services in 2024
CMS data shows 162 Medicare services from Dr. Collar across 4 procedure codes in 2024, for 248 Medicare patients. Medicare paid $6,884 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Collar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 522024: 162212%
Dr. Collar compared with the Michigan median for anesthesiologists, 2024
- Dr. Collar
- Michigan median
- Medicare services
- 162vs 8982% above
- Medicare patients
- 248vs 17740% above
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Collar'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.
Need commercial claims for Dr. Collar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Collar and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark W. Collar treated 248 Medicare patients in 2024, average age 73
CMS counts 248 Medicare patients who saw Dr. Collar in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Collar's median patient age at 65, with 52% women.
Dr. Collar's Medicare patients by age, 2024
Dr. Collar's Medicare patients by sex, 2024
- Women12852%
- Men12048%
Chronic conditions among Dr. Collar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis42%
- Ischemic heart disease29%
- Anxiety28%
- Mood disorders28%
- Depression27%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Collar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mark W. Collar takes part in Medicare
Dr. Collar 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 W. Collar received $1,256 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Collar from 1 drug or device company in 2017. Travel and lodging make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $1,256.
Companies that paid Dr. Collar the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark W. Collar graduated from Saint Louis University School of Medicine
Dr. Collar graduated from Saint Louis University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark W. Collar'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 W. Collar
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 W. Collar's NPI number?
Dr. Mark W. Collar's NPI number is 1659354553. It was assigned on November 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark W. Collar?
Dr. Mark W. Collar is an anesthesiologist in Iron Mountain, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark W. Collar practice?
Dr. Collar practices at 1721 S Stephenson Ave, Iron Mountain, MI 49801. Dr. Collar's primary practice is Marshfield Medical Center - Dickinson in Iron Mountain, Michigan, part of Sanford Health. Dmand AI also links Dr. Collar to 4 medical groups.
What is Dr. Mark W. Collar's office phone number?
The practice phone on file for Dr. Collar is (906) 774-1313.
What is Dr. Mark W. Collar's medical license number?
Dr. Collar holds Wisconsin license 38554.
Which hospitals is Dr. Mark W. Collar affiliated with?
Dr. Collar practices at Marshfield Medical Center - Dickinson in Iron Mountain, Michigan. Dr. Collar is also affiliated with SSM Health Monroe Hospital.
What medical group is Dr. Mark W. Collar part of?
Dr. Collar is linked to Hospitalist Medicine Physicians of Michigan-Alpena PLLC. Dmand AI links Dr. Collar to 4 more medical groups.
Does Dr. Mark W. Collar accept Medicare?
Yes. CMS data shows Dr. Collar billed Medicare for 162 services in 2024, and Dr. Collar accepts Medicare assignment.
How many Medicare patients does Dr. Mark W. Collar see?
CMS counts 248 Medicare patients who saw Dr. Collar in 2024, with an average age of 73.
What services does Dr. Mark W. Collar bill to Medicare?
In 2024, Dr. Collar's most billed Medicare services were anesthesia (00812), anesthesia (00811) and anesthesia (00731).
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Where did Dr. Mark W. Collar go to medical school?
Dr. Collar graduated from Saint Louis University School of Medicine in 1994.
Has Dr. Mark W. Collar received payments from drug or device companies?
CMS Open Payments shows $1,256 in general payments to Dr. Collar from 1 company from 2017 to 2017. The largest total came from AtriCure, Inc.
How long has Dr. Mark W. Collar been practicing?
Dr. Collar graduated from medical school in 1994, 32 years ago.
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