STEPHEN HUDNALL MARTENSON (MD) – Orthopaedic Surgery Physician, NPI 1417993650

STEPHEN HUDNALL MARTENSON (MD) is a healthcare provider. based in Winchester, Virginia. specializing in Orthopaedic Surgery Physician. They hold the professional credentials MD. They hold a License No. 0101035437 (VA). The NPI Number for STEPHEN HUDNALL MARTENSON (MD) is 1417993650

Main info

Male
48 Years Of Experience
Accepts Medicare Assignment
Name
STEPHEN HUDNALL MARTENSON (MD)
NPI
1417993650
Phone
(540) 667-8975
Address
128 MEDICAL CIR
Enumeration Date
22 June 2006
Last Update Date
17 October 2014

Doctor Profile

Medical School Name
UNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Secondary Phone
5406678975
Graduation Year
1978 (48 years ago)
PAC ID
2365406618
Group Practice PAC ID
0143299560
Professional Enrollment ID
I20041116000779
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for STEPHEN HUDNALL MARTENSON (MD)

  • 128, Medical Circle, Winchester, Frederick County, Virginia, 22601, United States

    WINCHESTER, VA 226013322

    Phone: (540) 667-8975

    Fax: (540) 667-6589

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-11-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20041116000779IOrthopedic SurgeryVATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 22601)

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Provider's Procedures

STEPHEN HUDNALL MARTENSON (MD) performs procedures in Orthopaedic Surgery Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ORTHOPEDIC SURGERYVA20610Aspiration and/or injection of large joint or joint capsule208161
ORTHOPEDIC SURGERYVA27447Repair of knee joint3937
ORTHOPEDIC SURGERYVA73562X-ray of knee, 3 views318194
ORTHOPEDIC SURGERYVA73630X-ray of foot, minimum of 3 views2822

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0143299560View full group profile

Reviews

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Frequently asked questions

Does STEPHEN HUDNALL MARTENSON (MD) have a public NPI I can cite?
Public records show STEPHEN HUDNALL MARTENSON (MD) under NPI 1417993650.
Quick check: is STEPHEN HUDNALL MARTENSON (MD) active?
Public NPPES data shows STEPHEN HUDNALL MARTENSON (MD) with an active NPI status right now.
What does the directory say STEPHEN HUDNALL MARTENSON (MD) does?
Insurance directories may phrase it differently, but here STEPHEN HUDNALL MARTENSON (MD) maps to Orthopaedic Surgery Physician. Clinical services aligned with this taxonomy classification.
What geographic area is tied to STEPHEN HUDNALL MARTENSON (MD)?
STEPHEN HUDNALL MARTENSON (MD) is associated with Winchester, Virginia in the same public data insurers reference.
Can I export STEPHEN HUDNALL MARTENSON (MD)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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