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

James Brad Diestelhorst, MD

Individual provider Pulmonary Disease Physician · NPI 1336148766

James Brad Diestelhorst, MD is a Pulmonary Disease in Bellingham, Washington. Graduated from University of Missouri, Columbia School of Medicine in 1996, 30 years ago. Practices with Peacehealth, a 290-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
30
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
WA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4545 Cordata Pkwy
Bellingham, WA 98226-7123
Phone: (360) 738-2200
Fax: (360) 752-5687
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD00041071 (WA)

Record details

NPI number1336148766
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2005
Last updated in NPPESSeptember 22, 2010

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Peacehealth — 290 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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