DR. WALTER W OHARA (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1376541789
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
395 THORACIC SURGERY in TX
Loading map...
Provider Addresses for DR. WALTER W OHARA (MD)
Houston Methodist - Smith Tower, 6550, Fannin Street, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
SUITE 1401
HOUSTON, TX 770302717
Phone: (713) 441-5200
Fax: (713) 793-7428
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $4,339.
Total Amount is formed as General ($4,339) + Research ($0) + Ownership ($0) = $4,339.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Medtronic, Inc. ($1,323).
Total Amount
$4,339
General + Research + Ownership
Payments
51
Total payment records
General Amount
$4,339
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $1,323 |
| Intuitive Surgical, Inc. | $892 |
| ATRICURE, INC. | $585 |
| Abbott Laboratories | $370 |
| ABIOMED | $338 |
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: 2024-03-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20110502000779 | I | Thoracic Surgery | TX | TBD |
| I20240304002403 | I | Thoracic Surgery | VA | 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 |
|---|---|---|---|---|
| 33508 | Harvest of vein using an endoscope | 12 | 12 | $0 |
| 33268 | Exclusion of appendage of left upper chamber of heart performed during other procedure on chest | 11 | 11 | $0 |
| 33533 | Coronary artery bypass using artery graft, 1 graft | 11 | 11 | $0 |
Insurance plans in this area (ZIP 77030)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| THORACIC SURGERY | TX | 33533 | Heart artery bypass to repair one artery | 44 | 44 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | VA | |
| N E U R O L O G Y | MA | |
| General Surgery | VA | |
| - | VA | |
| - | VA | |
| General Surgery | NC | |
| Cardiac Surgery | VA | |
| - | VA | |
| E N D O C R I N O L O G Y | VA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | VA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.