Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Herbert Mao, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1063075067

Herbert Mao, DO is an Orthopedic Surgery in Longview, Washington. Graduated from Campbell Univ School of Osteopathic Medicine in 2019, 7 years ago. Practices with Longview Orthopedic Associates PLLC, a 12-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
7
Trained at
Campbell Univ School of Osteopathic Medicine
Licensed in
WA
In the registry since
2019
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

625 9th Ave Ste 210
Longview, WA 98632-2465
Phone: (360) 501-3400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence OP61494774 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1063075067
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 16, 2019
Last updated in NPPESAugust 11, 2025
Certification dateAugust 11, 2025
Mailing address1400 Florida Ave Ste 102, Modesto, CA 95350-4446

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolCAMPBELL UNIV SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2019 (7 years in practice)
Group practice Longview Orthopedic Associates Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Longview