Dr. Stephen Hudnall Martenson, MD
- Medicare services, 2021
- 2,333
- Part D claims, 2023
- 15
- Industry payments
- $1,116
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 128 Medical Cir, Winchester, VA 22601
- Practice phone
- Call (540) 667-8975
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir)
Multi-specialty group site · Winchester, Virginia
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Dr. Stephen Hudnall Martenson is an orthopedic surgeon in Winchester, Virginia
Dr. Martenson practices at Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir) in Winchester, Virginia.
Dr. Martenson's NPI, 1417993650, was assigned on June 22, 2006. Dr. Martenson graduated from University of Virginia School of Medicine in 1978. Dr. Martenson holds Virginia license 0101035437.
- NPI
- 1417993650NPI Registry (opens in a new tab)
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Practice phone
- (540) 667-8975
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Hudnall Martenson practices at 2 locations in Winchester, Virginia
Dr. Martenson's primary practice is Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir), at 128 Medical Cir, Winchester, VA 22601. The practice phone is (540) 667-8975. The NPI Registry lists Dr. Martenson's practice address as 1840 Amherst St, Winchester, VA 22601.
- Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir)Primary128 Medical Cir, Winchester, VA 22601Phone(540) 667-8975
- NPI Registry address1840 Amherst St, Winchester, VA 22601 · Winchester CityPhone(540) 667-8975
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Stephen Hudnall Martenson is affiliated with 1 site of care and 1 medical group
Dr. Martenson's primary practice is Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir) in Winchester, Virginia. The medical group on file is Winchester Orthopaedic Associates.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Stephen Hudnall Martenson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martenson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Hudnall Martenson is one of 498 orthopedic surgeons in Virginia
Orthopaedic surgery is Dr. Martenson's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Martenson is licensed in Virginia.
Specialties and state licenses
- Orthopaedic surgery, VirginiaPrimary
Orthopedic surgeons near Dr. Martenson
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. Stephen Hudnall Martenson billed Medicare for 2,333 services in 2021
CMS data shows 2,333 Medicare services from Dr. Martenson across 11 procedure codes in 2021. Medicare paid $62,777 for them.
Dr. Martenson's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Drugs given in the office
- 2020: 2,1332021: 1,63423%
- Office and hospital visits
- 2020: 9072021: 41155%
- Surgery
- 2020: 3122021: 17743%
- Imaging
- 2020: 5192021: 11179%
Where Dr. Martenson's Medicare services took place, 2021
- In an office2,32099%
- In a facility131%
Dr. Martenson compared with the Virginia median for orthopedic surgeons, 2021
- Dr. Martenson
- Virginia median
- Medicare services
- 2,333vs 1,17099% above
- Part D claims
- 15vs 12188% below
Medians across 475 orthopedic surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Martenson's most billed Medicare procedure codes, 2021
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. Martenson and other orthopedic surgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Hudnall Martenson's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Martenson's median patient age at 66, with 51% women.
Dr. Martenson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women51%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Stephen Hudnall Martenson wrote 15 Medicare Part D claims in 2023
In 2023, Dr. Martenson wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $42 in total drug cost. In 2022, CMS named 66 claims across 3 drugs.
Dr. Martenson's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 662023: 1577%
Drugs named by CMS: 1 in 2023, 3 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Stephen Hudnall Martenson received $1,116 in industry payments from 2016 to 2019
CMS Open Payments shows 15 general payments to Dr. Martenson from 7 drug and device companies from 2016 to 2019. Travel and lodging make up the largest share, 83% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,002.
General payments to Dr. Martenson by program year, 2016 to 2019
General payments to Dr. Martenson by kind, 2016 to 2019
- Travel and lodging$92783%
- Food and beverage$19017%
Companies that paid Dr. Martenson the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Hudnall Martenson graduated from University of Virginia School of Medicine
Dr. Martenson graduated from University of Virginia School of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Hudnall Martenson'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Stephen Hudnall Martenson
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What is Dr. Stephen Hudnall Martenson's NPI number?
Dr. Stephen Hudnall Martenson's NPI number is 1417993650. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Hudnall Martenson?
Dr. Stephen Hudnall Martenson is an orthopedic surgeon in Winchester, Virginia. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Stephen Hudnall Martenson practice?
Dr. Martenson practices at 128 Medical Cir, Winchester, VA 22601. Dr. Martenson also practices at 1840 Amherst St, Winchester, VA 22601. Dr. Martenson's primary practice is Winchester Orthopaedic Associates - Orthopaedics & Sports Medicine - Winchester (Medical Cir) in Winchester, Virginia.
What is Dr. Stephen Hudnall Martenson's office phone number?
The practice phone on file for Dr. Martenson is (540) 667-8975.
What is Dr. Stephen Hudnall Martenson's medical license number?
Dr. Martenson holds Virginia license 0101035437.
What medical group is Dr. Stephen Hudnall Martenson part of?
Dr. Martenson is linked to Winchester Orthopaedic Associates.
Does Dr. Stephen Hudnall Martenson accept Medicare?
Yes. CMS data shows Dr. Martenson billed Medicare for 2,333 services in 2021.
What services does Dr. Stephen Hudnall Martenson bill to Medicare?
In 2021, Dr. Martenson's most billed Medicare services were injected or infused drug (J3304), office visit, established patient (99212) and surgery: bones and joints (20610).
Where did Dr. Stephen Hudnall Martenson go to medical school?
Dr. Martenson graduated from University of Virginia School of Medicine in 1978.
What drugs does Dr. Stephen Hudnall Martenson prescribe most?
In 2023 Medicare Part D data, Dr. Martenson's most prescribed drugs by claims were Meloxicam.
Has Dr. Stephen Hudnall Martenson received payments from drug or device companies?
CMS Open Payments shows $1,116 in general payments to Dr. Martenson from 7 companies from 2016 to 2019. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Stephen Hudnall Martenson been practicing?
Dr. Martenson graduated from medical school in 1978, 48 years ago.
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