MARK FELGER (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1770507030
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
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Profile Insights
NPPES metrics only — not quality of care.
395 THORACIC SURGERY in TX
Provider Addresses for MARK FELGER (M.D.)
302 University Blvd
Round Rock, TX 786651032
Phone: (512) 509-0200
Type: Location
1010, West 40th Street, Rosedale, Austin, Travis County, Texas, 78756, United States
AUSTIN, TX 787564010
Phone: (512) 459-8753
Fax: (512) 483-6828
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 60 Open Payments records for all available years, with a total value of $4,122.
Total Amount is formed as General ($4,122) + Research ($0) + Ownership ($0) = $4,122.
Last reported payment date: 2024-12-26 • Largest payer in this snapshot: W. L. Gore & Associates, Inc. ($1,859).
Total Amount
$4,122
General + Research + Ownership
Payments
60
Total payment records
General Amount
$4,122
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| W. L. Gore & Associates, Inc. | $1,859 |
| Medtronic, Inc. | $1,261 |
| Abbott Laboratories | $438 |
| ATRICURE, INC. | $182 |
| Zimmer Biomet Holdings, Inc. | $89 |
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: 2011-01-20
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 |
|---|---|---|---|---|
| I20110120000847 | I | Thoracic Surgery | TX | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 38 | 38 | $0 |
| 33361 | Replacement of aortic valve through the skin and femoral artery | 30 | 30 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 28 | 24 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 24 | 24 | $0 |
| 33533 | Coronary artery bypass using artery graft, 1 graft | 22 | 22 | $0 |
Insurance plans in this area (ZIP 78665)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Thoracic Surgery, Cardiac Surgery | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| Thoracic Surgery, General Surgery | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| - | TX | |
| Thoracic Surgery, General Surgery | TX | |
| Physician Assistant | TX | |
| - | TX |
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