Mark K. Piker, MD
Neurology Physician · Bellevue, WA
Mark K. Piker, MD is a neurology physician with a practice address in Bellevue, Washington, and NPI 1396898086, issued on Jan 18, 2007. Check the license (Washington MD00046353, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark K. Piker
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD00046353 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4140 Factoria Blvd SE Ste A, Bellevue, WA 98006
- Phone
- (425) 655-0700
- Enumerated
- Jan 18, 2007
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (425) 655-0800
- Medicare enrollment
- Enrolled (PECOS I20070215000799); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 489 in Washington → Look up another NPI →
Also registered at 4140 Factoria Blvd SE Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Hatzakis, M.D.Physical Medicine & Rehabilitation Physician1699742114
- Jadie Ko, NDNaturopath1144642018
Verify Mark K. Piker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00046353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurology physician in 2024
163 Medicare Part D claims for 19 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Emgality Pen25 claims
- Ondansetron Odt18 claims
- Sumatriptan Succinate15 claims
- Botox14 claims
- Rizatriptan12 claims
- Aimovig Autoinjector11 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: $38.68
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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.
Mark K. Piker among 489 neurology physician records in Washington
Mark K. Piker, MD is one of 489 neurology physician records with a practice address in Washington. 82% 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 40% of them.
- NPI issued2007 · 40% of these records are older, 49% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2002 · median 2007 among the 351 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Washington
There are 489 neurology physician records in Washington.
All 489 in Washington → Every provider in Bellevue → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Roopa Bhat, M.D.Bellevue, WA 980061699003871
- Sophia Cheng, M.D.Bellevue, WA 980041982815676
- Ellie Choi, D.O.Bellevue, WA 980041477725133
- Chelsea Donnet, MDBellevue, WA 980041811573462
- Mark Fishel, MDBellevue, WA 980041760563407
- Aileen Hsi, MDBellevue, WA 980041295359073
- Shirin Issa, M.D.Bellevue, WA 980041447481403
- Olav Jaren, M.D.Bellevue, WA 980041992863252
Common questions
What is Mark K. Piker, MD's NPI number?
Mark K. Piker, MD's National Provider Identifier (NPI) is 1396898086, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark K. Piker, MD located?
The NPPES record lists a practice address at 4140 Factoria Blvd SE Ste A, Bellevue, WA, 98006. Phone: (425) 655-0700. Providers update this record themselves, so call before visiting.
How can I verify Mark K. Piker, MD's license?
NPPES lists Washington license number MD00046353, 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 K. Piker, MD prescribe under Medicare Part D?
In 2024, Mark K. Piker, MD had 163 Medicare Part D claims for 19 beneficiaries; the average among neurology physician prescribers was 1,370. 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.