MARK C HARTLEY (MD) – Orthopaedic Surgery Physician, NPI 1285655035
Orthopaedic Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
844 ORTHOPEDIC SURGERY in VA
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Provider Addresses for MARK C HARTLEY (MD)
PO BOX 75868
BALTIMORE, MD 212755868
Phone: (703) 383-6469
Type: Mailing
Reston Hospital Center, 1850, Town Center Parkway, Reston, Virginia, 20190, United States
SUITE 400
RESTON, VA 201903219
Phone: (703) 810-5202
Fax: (703) 787-9664
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $130.
Total Amount is formed as General ($130) + Research ($0) + Ownership ($0) = $130.
Last reported payment date: 2023-06-29 • Largest payer in this snapshot: Smith+Nephew, Inc. ($130).
Total Amount
$130
General + Research + Ownership
Payments
1
Total payment records
General Amount
$130
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Smith+Nephew, Inc. | $130 |
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: 2010-11-11
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20101111000574 | I | Orthopedic Surgery | DC | TBD |
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.
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 21275)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | VA | 27447 | Repair of knee joint | 42 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| - | VA | |
| Physician Assistant | VA | |
| Physical Therapist In Private Practice | VA | |
| Physical Therapist In Private Practice | VA | |
| Physical Therapist In Private Practice | VA | |
| - | VA | |
| - | VA | |
| - | VA | |
| - | VA |
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