Dr. Mark J. Thomson, DO
- Medicare services, 2024
- 250
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 217
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- One N Atkinson Drive, Ludington, MI 49431
- Practice phone
- Call (231) 843-2591
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomson's professional email, personal email and mobile number
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Dr. Mark J. Thomson is an emergency medicine physician in Ludington, Michigan
Dr. Thomson practices at Corewell Health Ludington Hospital in Ludington, Michigan, part of Corewell Health.
Dr. Thomson's NPI, 1598286551, was assigned on June 29, 2017. Dr. Thomson graduated from Michigan State University College of Osteopathic Medicine in 2017. Dr. Thomson holds Michigan license 5101024882.
- NPI
- 1598286551NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638405798
- NPI enumeration date
- June 29, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 843-2591
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark J. Thomson practices at 2 locations in Ludington, Michigan
Dr. Thomson's primary practice is Corewell Health Ludington Hospital, at One N Atkinson Drive, Ludington, MI 49431 in Mason County. The practice phone is (231) 843-2591. Dr. Thomson also practices at Spectrum Health Ludington Hospital, 1 Atkinson Dr, Ludington, MI 49431.
- Corewell Health Ludington HospitalPrimaryOne N Atkinson Drive, Ludington, MI 49431 · Mason CountyPhone(231) 843-2591
- Spectrum Health Ludington Hospital1 Atkinson Dr, Ludington, MI 49431 · Mason CountyPhone(231) 843-2591
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Mark J. Thomson is affiliated with 2 sites of care and 4 medical groups
Dr. Thomson's primary practice is Corewell Health Ludington Hospital in Ludington, Michigan, part of Corewell Health. Dr. Thomson is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is Emergency Care Specialists (ECS). Dmand AI also links Dr. Thomson to 3 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 J. Thomson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Ludington Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark J. Thomson is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Thomson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Thomson is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Thomson
Counts of emergency medicine physicians 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 J. Thomson billed Medicare for 250 services in 2024
CMS data shows 250 Medicare services from Dr. Thomson across 4 procedure codes in 2024, for 199 Medicare patients. Medicare paid $28,956 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thomson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2202024: 2105%
- Tests and treatments
- 2023: 02024: 40
Dr. Thomson compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Thomson
- Michigan median
- Medicare services
- 250vs 2347% above
- Medicare patients
- 199vs 2147% below
- Part D claims
- 134vs 462.9 times
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Thomson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark J. Thomson treated 199 Medicare patients in 2024, average age 72
CMS counts 199 Medicare patients who saw Dr. Thomson in 2024. The largest group is 75 to 84, with 60 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.89, 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. Thomson's median patient age at 45, with 55% women.
Dr. Thomson's Medicare patients by age, 2024
Dr. Thomson's Medicare patients by sex, 2024
- Women10653%
- Men9347%
Chronic conditions among Dr. Thomson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis54%
- Mood disorders37%
- Anxiety36%
- Heart failure35%
- Ischemic heart disease35%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark J. Thomson wrote 217 Medicare Part D claims in 2024
In 2024, Dr. Thomson wrote 217 Medicare Part D claims for 149 patients. 95% of them were for generic drugs. CMS names the drug for 134 of them, across 7 drugs with 11 or more claims each, at $698 in total drug cost. In 2023, CMS named 116 claims across 7 drugs.
Dr. Thomson's Part D claims by kind of drug, 2024
- Generic206 claims95%
- Brand-name and other11 claims5%
Dr. Thomson'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. Thomson's Part D claims, 2024
- Antibiotics44%96 of 217 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: 1162024: 13416%
Drugs named by CMS: 7 in 2024, 7 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. Mark J. Thomson scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Thomson for performance year 2024, reported as part of a group. Dr. Thomson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Thomson's MIPS scores, performance year 2024
- 97of 100Final score
- 89.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark J. Thomson graduated from Michigan State University College of Osteopathic Medicine
Dr. Thomson graduated from Michigan State University College of Osteopathic Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark J. Thomson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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)Clinician Public Reporting: Overall MIPS Performance (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 J. Thomson
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 J. Thomson's NPI number?
Dr. Mark J. Thomson's NPI number is 1598286551. It was assigned on June 29, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark J. Thomson?
Dr. Mark J. Thomson is an emergency medicine physician in Ludington, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark J. Thomson practice?
Dr. Thomson practices at One N Atkinson Drive, Ludington, MI 49431. Dr. Thomson also practices at 1 Atkinson Dr, Ludington, MI 49431. Dr. Thomson's primary practice is Corewell Health Ludington Hospital in Ludington, Michigan, part of Corewell Health. Dmand AI also links Dr. Thomson to 3 medical groups.
What is Dr. Mark J. Thomson's office phone number?
The practice phone on file for Dr. Thomson is (231) 843-2591.
What is Dr. Mark J. Thomson's medical license number?
Dr. Thomson holds Michigan license 5101024882.
Which hospitals is Dr. Mark J. Thomson affiliated with?
Dr. Thomson practices at Corewell Health Ludington Hospital in Ludington, Michigan. Dr. Thomson is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth.
What medical group is Dr. Mark J. Thomson part of?
Dr. Thomson is linked to Emergency Care Specialists (ECS). Dmand AI links Dr. Thomson to 3 more medical groups.
Does Dr. Mark J. Thomson accept Medicare?
Yes. CMS data shows Dr. Thomson billed Medicare for 250 services in 2024, and Dr. Thomson accepts Medicare assignment.
What is Dr. Mark J. Thomson's MIPS score?
Dr. Thomson's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark J. Thomson see?
CMS counts 199 Medicare patients who saw Dr. Thomson in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Mark J. Thomson bill to Medicare?
In 2024, Dr. Thomson's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Where did Dr. Mark J. Thomson go to medical school?
Dr. Thomson graduated from Michigan State University College of Osteopathic Medicine in 2017.
What drugs does Dr. Mark J. Thomson prescribe most?
In 2024 Medicare Part D data, Dr. Thomson's most prescribed drugs by claims were Cefuroxime, Methocarbamol and Prednisone.
How long has Dr. Mark J. Thomson been practicing?
Dr. Thomson graduated from medical school in 2017, 9 years ago.
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