Mark Douglas Harwood, M.D.
Clinical Cardiac Electrophysiology Physician · Spokane, WA
Mark Douglas Harwood, M.D. is a clinical cardiac electrophysiology physician with a practice address in Spokane, Washington, and NPI 1356559975, issued on May 18, 2007. Check the license (Washington MD60284972, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark Douglas Harwood
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- MD60284972 WA
6053858-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 62 W 7TH Ave Ste 450, Spokane, WA 99204
- Phone
- (509) 455-8820
- Enumerated
- May 18, 2007
- Record last updated
- Mar 20, 2026
- Fax
- (509) 838-4978
- Medicare enrollment
- Enrolled (PECOS I20120911000540); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 74 in Washington → Look up another NPI →
Also registered at 62 W 7TH Ave Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Callie AdamsFamily Nurse Practitioner1003327784
- David Appel, MDInterventional Cardiology Physician1528285509
- Timothy Ball, M.D. PH.D.Interventional Cardiology Physician1073622031
- Braden Batkoff, MD, FACCInterventional Cardiology Physician1871526681
- Brian Burgemaster, PA-CPhysician Assistant1114035672
- Janice Christensen, MD, FACCCardiovascular Disease Physician1023032976
Verify Mark Douglas Harwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60284972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average clinical cardiac electrophysiology physician in 2024
4,116 Medicare Part D claims for 674 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Metoprolol Succinate510 claims
- Eliquis409 claims
- Flecainide Acetate383 claims
- Xarelto201 claims
- Losartan Potassium195 claims
- Carvedilol175 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,659.28
12 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services WashingtonPullman, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Douglas Harwood among 74 clinical cardiac electrophysiology physician records in Washington
Mark Douglas Harwood, M.D. is one of 74 clinical cardiac electrophysiology physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 42% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2004 · median 2002 among the 61 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Washington
There are 74 clinical cardiac electrophysiology physician records in Washington.
All 74 in Washington → Every provider in Spokane → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Eteri Byazrova, MDSpokane, WA 992041790738060
- Donald Chilson, MDSpokane, WA 992041942259478
- Patrick Henley, DOSpokane, WA 992041972737096
- Thomas Klein, MDSpokane, WA 992041215195862
- Timothy Lessmeier, MDSpokane, WA 992041144276825
- Gerhard Muelheims, MD, FACCSpokane, WA 992041528091253
- Jacquelyn Ryan, MDSpokane, WA 992051093744468
- Michael Kwasman, MD, FACCSpokane, WA 992081952315186
Common questions
What is Mark Douglas Harwood, M.D.'s NPI number?
Mark Douglas Harwood, M.D.'s National Provider Identifier (NPI) is 1356559975, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Douglas Harwood, M.D. located?
The NPPES record lists a practice address at 62 W 7TH Ave Ste 450, Spokane, WA, 99204. Phone: (509) 455-8820. Providers update this record themselves, so call before visiting.
How can I verify Mark Douglas Harwood, M.D.'s license?
NPPES lists Washington license number MD60284972, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Douglas Harwood, M.D. prescribe under Medicare Part D?
In 2024, Mark Douglas Harwood, M.D. had 4,116 Medicare Part D claims for 674 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.