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

Mark Douglas Harwood, MD

Individual provider Clinical Cardiac Electrophysiology Physician · NPI 1356559975

Mark Douglas Harwood, MD is a Cardiac Electrophysiology in Spokane, Washington. Qualified in 2004, 22 years ago. Practices with Providence Health and Services Washington, a 54-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Utah and Washington.

Years since qualifying
22
Licensed in
UT, 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.

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Practice location Address checks out

62 W 7th Ave Ste 450
Spokane, WA 99204-2321
Phone: (509) 455-8820
Fax: (509) 838-4978
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 122 W. 7th Avenue, Spokane, WA 99204-2352 — (509) 455-8820

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence MD60284972 (WA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD60284972 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 6053858-1205 (UT)

Record details

NPI number1356559975
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2007
Last updated in NPPESMarch 20, 2026
Certification dateMarch 20, 2026

Medicare enrollment

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

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Providence Health And Services Washington — 54 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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