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

Timothy P. Armstrong, MD

Individual provider Internal Medicine Physician · NPI 1871641688

Timothy P. Armstrong, MD is a Neurology in Bellingham, Washington. Graduated from University of Chicago, Pritzker School of Medicine in 1984, 42 years ago. Practices with Peacehealth, a 290-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Washington.

Years since qualifying
42
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
CA, WA
In the registry since
2007
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 Partly verified

Some contact details are missing from the federal record.

Peacehealth Medical Group 710 Birchwood Ste 201
Bellingham, WA 98225
Phone: (360) 788-6870
Fax: (360) 788-6872
Show map & directions

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

Additional practice locations (1)

  • 4647 Zion Ave, San Diego, CA 92120-2507 — (619) 528-5000

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence MD60913179 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60913179 (WA)
Neurology Physician Taxonomy 2084N0400X · Licence G56333 (CA)

Record details

NPI number1871641688
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESJuly 24, 2019
Mailing address4647 Zion Ave, San Diego, CA 92120-2507

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Peacehealth — 290 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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