Dr. Roger Charles Merk, MD
- Medicare services, 2024
- 512
- Medicare patients, 2024
- 379
- Part D claims, 2024
- 700
- Hospital affiliations
- 4
- Industry payments
- $25
- 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. Merk'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. Roger Charles Merk is an emergency medicine physician in Midland, Michigan
Dr. Merk practices at MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health.
Dr. Merk's NPI, 1841218666, was assigned on July 18, 2006. Dr. Merk graduated from Creighton University School of Medicine in 1998. Dr. Merk holds Missouri license 2006019884.
- NPI
- 1841218666NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749213015
- NPI enumeration date
- July 18, 2006
- 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
- 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. Roger Charles Merk practices at MyMichigan Medical Center Midland in Midland, Michigan
Dr. Merk'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. Roger Charles Merk is affiliated with 6 sites of care and 6 medical groups
Dr. Merk's primary practice is MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health. Dr. Merk is also affiliated with Mercy Hospital Springfield. The medical group on file is MyMichigan Medical Center Midland. Dmand AI also links Dr. Merk to 2 more hospitals, 5 medical groups and 2 group practices and clinics, 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. Roger Charles Merk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merk practices, 6 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 |
| +5 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across MyMichigan Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Roger Charles Merk is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Merk's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Merk is licensed in Missouri.
Specialties and state licenses
- Emergency medicine, MissouriPrimary
Emergency medicine physicians near Dr. Merk
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. Roger Charles Merk billed Medicare for 512 services in 2024
CMS data shows 512 Medicare services from Dr. Merk across 4 procedure codes in 2024, for 379 Medicare patients. Medicare paid $34,177 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Merk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3652024: 3485%
- Tests and treatments
- 2023: 1892024: 16413%
Dr. Merk compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Merk
- Michigan median
- Medicare services
- 512vs 2342.2 times
- Medicare patients
- 379vs 21477% above
- Part D claims
- 531vs 4611.5 times
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Merk'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. Merk and other emergency medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roger Charles Merk treated 379 Medicare patients in 2024, average age 71
CMS counts 379 Medicare patients who saw Dr. Merk in 2024. The largest group is 75 to 84, with 118 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.85, 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. Merk's median patient age at 67, with 56% women.
Dr. Merk's Medicare patients by age, 2024
Dr. Merk's Medicare patients by sex, 2024
- Women20955%
- Men17045%
Chronic conditions among Dr. Merk's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis53%
- Anxiety45%
- Mood disorders42%
- Ischemic heart disease41%
- Depression39%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roger Charles Merk wrote 700 Medicare Part D claims in 2024
In 2024, Dr. Merk wrote 700 Medicare Part D claims for 407 patients. 95% of them were for generic drugs. CMS names the drug for 531 of them, across 19 drugs with 11 or more claims each, at $8,306 in total drug cost. In 2023, CMS named 431 claims across 14 drugs.
Dr. Merk's Part D claims by kind of drug, 2024
- Generic663 claims95%
- Brand-name and other37 claims5%
Dr. Merk'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. Merk's Part D claims, 2024
- Opioids12%84 of 700 claims
- Antibiotics23%164 of 700 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: 4312024: 53123%
Drugs named by CMS: 19 in 2024, 14 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
How Dr. Roger Charles Merk takes part in Medicare
Dr. Merk 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. Roger Charles Merk received $25 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Merk from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $25.
Companies that paid Dr. Merk 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. Roger Charles Merk graduated from Creighton University School of Medicine
Dr. Merk graduated from Creighton University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roger Charles Merk'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) |
| 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. Roger Charles Merk
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. Roger Charles Merk's NPI number?
Dr. Roger Charles Merk's NPI number is 1841218666. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roger Charles Merk?
Dr. Roger Charles Merk is an emergency medicine physician in Midland, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Roger Charles Merk practice?
Dr. Merk practices at 4000 Wellness Drive, Midland, MI 48670. Dr. Merk's primary practice is MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health. Dmand AI also links Dr. Merk to 2 hospitals, 5 medical groups and 2 group practices and clinics.
What is Dr. Roger Charles Merk's office phone number?
The practice phone on file for Dr. Merk is (989) 839-3000.
What is Dr. Roger Charles Merk's medical license number?
Dr. Merk holds Missouri license 2006019884.
Which hospitals is Dr. Roger Charles Merk affiliated with?
Dr. Merk practices at MyMichigan Medical Center Midland in Midland, Michigan. Dr. Merk is also affiliated with Mercy Hospital Springfield. Dmand AI links Dr. Merk to 2 more hospitals.
What medical group is Dr. Roger Charles Merk part of?
Dr. Merk is linked to MyMichigan Medical Center Midland. Dmand AI links Dr. Merk to 5 more medical groups.
Does Dr. Roger Charles Merk accept Medicare?
Yes. CMS data shows Dr. Merk billed Medicare for 512 services in 2024, and Dr. Merk accepts Medicare assignment.
How many Medicare patients does Dr. Roger Charles Merk see?
CMS counts 379 Medicare patients who saw Dr. Merk in 2024, with an average age of 71.
What services does Dr. Roger Charles Merk bill to Medicare?
In 2024, Dr. Merk's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Roger Charles Merk go to medical school?
Dr. Merk graduated from Creighton University School of Medicine in 1998.
What drugs does Dr. Roger Charles Merk prescribe most?
In 2024 Medicare Part D data, Dr. Merk's most prescribed drugs by claims were Tizanidine HCl, Naproxen and Hydrocodone-Acetaminophen.
Has Dr. Roger Charles Merk received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Merk from 1 company from 2017 to 2017. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Roger Charles Merk been practicing?
Dr. Merk graduated from medical school in 1998, 28 years ago.
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