Marcus J. Tjeerdsma
- Medicare services, 2024
- 192
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 117
- Hospital affiliations
- 5
- Industry payments
- $7,781
- Practice address
- 353 Fairmont Blvd, Rapid City, SD 57701
- Practice phone
- Call (605) 755-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Marcus Tjeerdsma'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.
Marcus J. Tjeerdsma is a general surgeon in Rapid City, South Dakota
Marcus Tjeerdsma practices at Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health.
Marcus Tjeerdsma's NPI, 1427541861, was assigned on June 11, 2018. Marcus Tjeerdsma graduated from Sanford School of Medicine of University of South Dakota in 2018. Marcus Tjeerdsma holds Kansas license 94-09512.
- NPI
- 1427541861NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486903929
- NPI enumeration date
- June 11, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 755-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marcus J. Tjeerdsma practices at Monument Health Rapid City Hospital in Rapid City, South Dakota
Marcus Tjeerdsma's primary practice is Monument Health Rapid City Hospital, at 353 Fairmont Blvd, Rapid City, SD 57701 in Pennington County. The practice phone is (605) 755-1000.
- Monument Health Rapid City Hospital353 Fairmont Blvd, Rapid City, SD 57701 · Pennington CountyPhone(605) 755-1000
Source: Dmand AI Affiliation Data
Marcus J. Tjeerdsma is affiliated with 5 sites of care and 1 medical group
Marcus Tjeerdsma's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. Marcus Tjeerdsma is also affiliated with Monument Health Spearfish Hospital. The medical group on file is Monument Health Rapid City Hospital. Dmand AI also links Marcus Tjeerdsma to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marcus J. Tjeerdsma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marcus Tjeerdsma practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monument Health Rapid City Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Marcus J. Tjeerdsma is one of 105 general surgeons in South Dakota
Surgery is Marcus Tjeerdsma's primary specialty in the NPI Registry, under taxonomy code 208600000X. Marcus Tjeerdsma is licensed in Kansas.
Specialties and state licenses
- Surgery, KansasPrimary
General surgeons near Marcus Tjeerdsma
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
Marcus J. Tjeerdsma billed Medicare for 192 services in 2024
CMS data shows 192 Medicare services from Marcus Tjeerdsma across 7 procedure codes in 2024, for 163 Medicare patients. Medicare paid $20,502 for them. Every service was in a facility, such as a hospital, rather than an office.
Marcus Tjeerdsma's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 332024: 175430%
- Surgery
- 2023: 02024: 17
Marcus Tjeerdsma compared with the South Dakota median for general surgeons, 2024
- Marcus Tjeerdsma
- South Dakota median
- Medicare services
- 192vs 1788% above
- Medicare patients
- 163vs 162Close to median
- Part D claims
- 90vs 362.5 times
Medians across 105 general surgeons in South Dakota with Dmand AI profiles that report each measure.
Marcus Tjeerdsma'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 Marcus Tjeerdsma and other general surgeons in South Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Marcus J. Tjeerdsma treated 163 Medicare patients in 2024, average age 72
CMS counts 163 Medicare patients who saw Marcus Tjeerdsma in 2024. The largest group is 65 to 74, with 73 patients. 73% of them have high blood pressure, and 66% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Marcus Tjeerdsma's median patient age at 71, with 51% women.
Marcus Tjeerdsma's Medicare patients by age, 2024
Marcus Tjeerdsma's Medicare patients by sex, 2024
- Women6640%
- Men9760%
Chronic conditions among Marcus Tjeerdsma's Medicare patients, 2024
- High blood pressure73%
- High cholesterol66%
- Arthritis40%
- Diabetes36%
- Ischemic heart disease29%
- Chronic kidney disease26%
- Heart failure25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Marcus Tjeerdsma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marcus J. Tjeerdsma wrote 117 Medicare Part D claims in 2024
In 2024, Marcus Tjeerdsma wrote 117 Medicare Part D claims for 62 patients. 98% of them were for generic drugs. CMS names the drug for 90 of them, across 2 drugs with 11 or more claims each, at $328 in total drug cost. In 2023, CMS named 14 claims across 1 drug.
Marcus Tjeerdsma's Part D claims by kind of drug, 2024
- Generic115 claims98%
- Brand-name and other2 claims2%
Marcus Tjeerdsma'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 Marcus Tjeerdsma's Part D claims, 2024
- Opioids40%47 of 117 claims
- Antibiotics9%11 of 117 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: 142024: 90543%
Drugs named by CMS: 2 in 2024, 1 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 Marcus J. Tjeerdsma takes part in Medicare
Marcus Tjeerdsma accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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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Marcus J. Tjeerdsma received $7,781 in industry payments from 2022 to 2025
CMS Open Payments shows 21 general payments to Marcus Tjeerdsma from 9 drug and device companies from 2022 to 2025. Education make up the largest share, 77% of the total. Intuitive Surgical, Inc. paid the most, $6,119.
General payments to Marcus Tjeerdsma by program year, 2022 to 2025
General payments to Marcus Tjeerdsma by kind, 2022 to 2025
- Education$6,00077%
- Travel and lodging$89411%
- Food and beverage$88711%
Companies that paid Marcus Tjeerdsma the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Marcus J. Tjeerdsma graduated from Sanford School of Medicine of University of South Dakota
Marcus Tjeerdsma graduated from Sanford School of Medicine of University of South Dakota in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marcus J. Tjeerdsma'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 Marcus J. Tjeerdsma
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marcus J. Tjeerdsma's NPI number?
Marcus J. Tjeerdsma's NPI number is 1427541861. It was assigned on June 11, 2018, and it is active in the NPI Registry.
What does Marcus J. Tjeerdsma specialize in?
Marcus J. Tjeerdsma is a general surgeon in Rapid City, South Dakota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Marcus J. Tjeerdsma practice?
Marcus Tjeerdsma practices at 353 Fairmont Blvd, Rapid City, SD 57701. Marcus Tjeerdsma's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. Dmand AI also links Marcus Tjeerdsma to 3 hospitals.
What is Marcus J. Tjeerdsma's office phone number?
The practice phone on file for Marcus Tjeerdsma is (605) 755-1000.
What is Marcus J. Tjeerdsma's medical license number?
Marcus Tjeerdsma holds Kansas license 94-09512.
Which hospitals is Marcus J. Tjeerdsma affiliated with?
Marcus Tjeerdsma practices at Monument Health Rapid City Hospital in Rapid City, South Dakota. Marcus Tjeerdsma is also affiliated with Monument Health Spearfish Hospital. Dmand AI links Marcus Tjeerdsma to 3 more hospitals.
What medical group is Marcus J. Tjeerdsma part of?
Marcus Tjeerdsma is linked to Monument Health Rapid City Hospital.
Does Marcus J. Tjeerdsma accept Medicare?
Yes. CMS data shows Marcus Tjeerdsma billed Medicare for 192 services in 2024, and Marcus Tjeerdsma accepts Medicare assignment.
How many Medicare patients does Marcus J. Tjeerdsma see?
CMS counts 163 Medicare patients who saw Marcus Tjeerdsma in 2024, with an average age of 72.
What services does Marcus J. Tjeerdsma bill to Medicare?
In 2024, Marcus Tjeerdsma's most billed Medicare services were office visit, new patient (99203), hospital inpatient care (99222) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
Where did Marcus J. Tjeerdsma go to medical school?
Marcus Tjeerdsma graduated from Sanford School of Medicine of University of South Dakota in 2018.
What drugs does Marcus J. Tjeerdsma prescribe most?
In 2024 Medicare Part D data, Marcus Tjeerdsma's most prescribed drugs by claims were Ondansetron ODT and Oxycodone HCl.
Has Marcus J. Tjeerdsma received payments from drug or device companies?
CMS Open Payments shows $7,781 in general payments to Marcus Tjeerdsma from 9 companies from 2022 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Marcus J. Tjeerdsma been practicing?
Marcus Tjeerdsma graduated from medical school in 2018, 8 years ago.
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