Doctor profile · Federal record

Dr. Herbert Mao, DO

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Student in an Organized Health Care Education/Training Program · Longview, WA

  • NPI 1063075067
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
625 9Th Ave Ste 210
Longview, WA 986322465
(360) 501-3400
Mailing address
1400 Florida Ave Ste 102
Modesto, CA 953504446

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
August 11, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Washington #OP61494774

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063075067. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$615
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 1 $615.40

By nature of payment

Travel and Lodging
$615

Frequently asked questions

Auto-generated from federal data
What is Dr. Herbert Mao's medical specialty?
Dr. Herbert Mao practices Orthopaedic Surgery Physician in Longview, WA.
Where does Dr. Herbert Mao practice?
Dr. Herbert Mao practices at 625 9Th Ave Ste 210, Longview, WA 986322465. Office phone: 3605013400.
What is Dr. Herbert Mao's NPI?
Dr. Herbert Mao's National Provider Identifier (NPI) is 1063075067, issued by NPPES.
Does Dr. Herbert Mao accept Medicare assignment?
Yes. Dr. Herbert Mao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.