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

William V Harrer III, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1972584217

William V Harrer III, MD is a Hematology/Oncology in Sequim, Washington. Graduated from Jefferson Medical College of Thomas Jefferson University in 1989, 37 years ago. Practices with Lutheran Hospital Association of the San Luis Valley, a 150-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida and Washington.

Years since qualifying
37
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
FL, WA
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

844 N 5th Ave
Sequim, WA 98382-3045
Phone: (360) 839-8953
Fax: (605) 825-6143
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence ME81806 (FL)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence ME81806 (FL)
Medical Oncology Physician Taxonomy 207RX0202X · Licence MD61473306 (WA)

Record details

NPI number1972584217
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 11, 2005
Last updated in NPPESOctober 12, 2023
Certification dateOctober 12, 2023

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1989 (37 years in practice)
Group practice Lutheran Hospital Association Of The San Luis Valley — 150 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Sequim