Dr. Mark A. Wikenheiser, MD
- Medicare services, 2024
- 4,464
- Medicare patients, 2024
- 303
- Part D claims, 2024
- 72
- Hospital affiliations
- 3
- Industry payments
- $121
- Practice address
- 595 West Carolina Avenue, Varnville, SC 29944
- Practice phone
- Call (803) 943-2771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wikenheiser'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 A. Wikenheiser is an orthopedic surgeon in Varnville, South Carolina
Dr. Wikenheiser practices at Hampton Regional Medical Center in Varnville, South Carolina, part of Medical University of South Carolina.
Dr. Wikenheiser's NPI, 1629161757, was assigned on October 2, 2006. Dr. Wikenheiser graduated from University of North Dakota School of Medicine in 1987. Dr. Wikenheiser holds Wisconsin license 40564.
- NPI
- 1629161757NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082745146
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 943-2771
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Wikenheiser practices at Hampton Regional Medical Center in Varnville, South Carolina
Dr. Wikenheiser's primary practice is Hampton Regional Medical Center, at 595 West Carolina Avenue, Varnville, SC 29944 in Hampton County. The practice phone is (803) 943-2771.
- Hampton Regional Medical Center595 West Carolina Avenue, Varnville, SC 29944 · Hampton CountyPhone(803) 943-2771
Source: Dmand AI Affiliation Data
Dr. Mark A. Wikenheiser is affiliated with 4 sites of care and 2 medical groups
Dr. Wikenheiser's primary practice is Hampton Regional Medical Center in Varnville, South Carolina, part of Medical University of South Carolina. Dr. Wikenheiser is also affiliated with MUSC Health University Medical Center. The medical group on file is Coastal Plains Primary Care & Physician Associates. Dmand AI also links Dr. Wikenheiser to 1 more hospital, 1 home health agency and 1 medical group, 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 A. Wikenheiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wikenheiser practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hampton Regional Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Wikenheiser is one of 306 orthopedic surgeons in South Carolina
Orthopaedic surgery is Dr. Wikenheiser's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Wikenheiser is licensed in Wisconsin.
Specialties and state licenses
- Orthopaedic surgery, WisconsinPrimary
Orthopedic surgeons near Dr. Wikenheiser
Counts of orthopedic 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
Dr. Mark A. Wikenheiser billed Medicare for 4,464 services in 2024
CMS data shows 4,464 Medicare services from Dr. Wikenheiser across 7 procedure codes in 2024, for 303 Medicare patients. Medicare paid $26,906 for them.
Dr. Wikenheiser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 3,964
- Office and hospital visits
- 2023: 3632024: 32710%
- Surgery
- 2023: 1722024: 1588%
- Imaging
- 2023: 02024: 15
Where Dr. Wikenheiser's Medicare services took place, 2024
- In an office4,12892%
- In a facility3368%
Dr. Wikenheiser compared with the South Carolina median for orthopedic surgeons, 2024
- Dr. Wikenheiser
- South Carolina median
- Medicare services
- 4,464vs 2,42284% above
- Medicare patients
- 303vs 35615% below
- Part D claims
- 32vs 17482% below
Medians across 291 orthopedic surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Wikenheiser'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. Wikenheiser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wikenheiser and other orthopedic surgeons in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Wikenheiser treated 303 Medicare patients in 2024, average age 76
CMS counts 303 Medicare patients who saw Dr. Wikenheiser in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wikenheiser's median patient age at 67, with 61% women.
Dr. Wikenheiser's Medicare patients by age, 2024
Dr. Wikenheiser's Medicare patients by sex, 2024
- Women19063%
- Men11337%
Chronic conditions among Dr. Wikenheiser's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Chronic kidney disease45%
- Diabetes30%
- Anxiety21%
- Mood disorders21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wikenheiser'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
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Wikenheiser wrote 72 Medicare Part D claims in 2024
In 2024, Dr. Wikenheiser wrote 72 Medicare Part D claims for 37 patients. 100% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $128 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Wikenheiser'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. Wikenheiser's Part D claims, 2024
- Opioids32%23 of 72 claims
- Antibiotics24%17 of 72 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: 272024: 3219%
Drugs named by CMS: 2 in 2024, 2 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. Mark A. Wikenheiser takes part in Medicare
Dr. Wikenheiser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 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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Dr. Mark A. Wikenheiser received $121 in industry payments from 2016 to 2025
CMS Open Payments shows 3 general payments to Dr. Wikenheiser from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $61.
General payments to Dr. Wikenheiser by program year, 2016 to 2025
Companies that paid Dr. Wikenheiser the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Wikenheiser graduated from University of North Dakota School of Medicine
Dr. Wikenheiser graduated from University of North Dakota School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Wikenheiser'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 Dr. Mark A. Wikenheiser
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 A. Wikenheiser's NPI number?
Dr. Mark A. Wikenheiser's NPI number is 1629161757. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Wikenheiser?
Dr. Mark A. Wikenheiser is an orthopedic surgeon in Varnville, South Carolina. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark A. Wikenheiser practice?
Dr. Wikenheiser practices at 595 West Carolina Avenue, Varnville, SC 29944. Dr. Wikenheiser's primary practice is Hampton Regional Medical Center in Varnville, South Carolina, part of Medical University of South Carolina. Dmand AI also links Dr. Wikenheiser to 1 hospital, 1 home health agency and 1 medical group.
What is Dr. Mark A. Wikenheiser's office phone number?
The practice phone on file for Dr. Wikenheiser is (803) 943-2771.
What is Dr. Mark A. Wikenheiser's medical license number?
Dr. Wikenheiser holds Wisconsin license 40564.
Which hospitals is Dr. Mark A. Wikenheiser affiliated with?
Dr. Wikenheiser practices at Hampton Regional Medical Center in Varnville, South Carolina. Dr. Wikenheiser is also affiliated with MUSC Health University Medical Center. Dmand AI links Dr. Wikenheiser to 1 more hospital.
What medical group is Dr. Mark A. Wikenheiser part of?
Dr. Wikenheiser is linked to Coastal Plains Primary Care & Physician Associates. Dmand AI links Dr. Wikenheiser to 1 more medical group.
Does Dr. Mark A. Wikenheiser accept Medicare?
Yes. CMS data shows Dr. Wikenheiser billed Medicare for 4,464 services in 2024, and Dr. Wikenheiser accepts Medicare assignment.
How many Medicare patients does Dr. Mark A. Wikenheiser see?
CMS counts 303 Medicare patients who saw Dr. Wikenheiser in 2024, with an average age of 76.
What services does Dr. Mark A. Wikenheiser bill to Medicare?
In 2024, Dr. Wikenheiser's most billed Medicare services were injected or infused drug (J1010), surgery: bones and joints (20610) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Mark A. Wikenheiser go to medical school?
Dr. Wikenheiser graduated from University of North Dakota School of Medicine in 1987.
What drugs does Dr. Mark A. Wikenheiser prescribe most?
In 2024 Medicare Part D data, Dr. Wikenheiser's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Amoxicillin.
Has Dr. Mark A. Wikenheiser received payments from drug or device companies?
CMS Open Payments shows $121 in general payments to Dr. Wikenheiser from 3 companies from 2016 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Mark A. Wikenheiser been practicing?
Dr. Wikenheiser graduated from medical school in 1987, 39 years ago.
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