Doctor profile · Federal record

Dr. Walter Ohara, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX

  • NPI 1376541789
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6550 Fannin St, Suite 1401
Houston, TX 770302717
(713) 441-5200
fax (713) 793-7428

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
October 18, 2017
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
208G00000X — NUCC code
State licenses (2)
Texas #N8699 · Kansas #0429755
Medicaid (5)
TX #280663002 · KS #100422750A · TX #280663001 · TX #280663004 · TX #280663003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376541789. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
3
Medicare allowed
$21,647
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 12 12 $16
33268 Exclusion of appendage of left upper chamber of heart performed during other procedure on chest 11 11 $133
33533 Coronary artery bypass using artery graft, 1 graft 11 11 $1,818

In context: peer comparison

Among 24 peers in Houston Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 30. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,198
Transactions
26
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 5 $369.95
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 8 $209.06
Atricure, INC. 5 $158.98
Edwards Lifesciences Corporation 2 $123.34
DePuy Synthes Sales INC. 1 $115.31
Abiomed 3 $107.18
Medtronic, INC. 1 $86.14
Penumbra, INC. 1 $28.01

By nature of payment

Food and Beverage
$1,198

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
21
Total drug cost
$274
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 30 21 $274

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Ohara's medical specialty?
Dr. Walter Ohara practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Houston, TX.
Where does Dr. Walter Ohara practice?
Dr. Walter Ohara practices at 6550 Fannin St, Houston, TX 770302717. Office phone: 7134415200.
What is Dr. Walter Ohara's NPI?
Dr. Walter Ohara's National Provider Identifier (NPI) is 1376541789, issued by NPPES.
Does Dr. Walter Ohara accept Medicare assignment?
Yes. Dr. Walter Ohara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Ohara commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); Exclusion of appendage of left upper chamber of heart performed during other procedure on chest (HCPCS 33268); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533). Source: CMS Medicare Physician & Other Practitioners file.