NPPES file of Aug 9, 2026

Mark Jason Sanders, M.D.

Internal Medicine Physician · Everett, WA

Mark Jason Sanders, M.D. is an internal medicine physician with a practice address in Everett, Washington, and NPI 1376571620, issued on Jun 28, 2006. Check the license (Washington MD00037227, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376571620
Name
Mark Jason Sanders
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD00037227 WA
Self-reported in NPPES; status is on the state search
Practice location
4201 Rucker Ave, Everett, WA 98203
Phone
(425) 382-4000
Enumerated
Jun 28, 2006
Record last updated
Jan 27, 2025
Fax
(425) 382-4001
Medicare enrollment
Enrolled (PECOS I20190408001635); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4201 Rucker Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Travis Adelman, P.A.Medical Physician Assistant1033307343
  2. Amanda Benjelloun, ARNPFamily Nurse Practitioner1487335188
  3. Abigail Blendheim, R.D.HDental Hygienist1497851273
  4. Christine Bradshaw, RDHDental Hygienist1417659715
  5. Ryan Church, PA-CPhysician Assistant1972221638
  6. Jennifer Davis, RD, CDRegistered Dietitian1700420908

Verify Mark Jason Sanders in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00037227
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

409 Medicare Part D claims for 155 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Mark Sanders409
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium30 claims
  2. Levothyroxine Sodium18 claims
  3. Albuterol Sulfate Hfa16 claims
  4. Lisinopril15 claims
  5. Losartan Potassium14 claims
  6. Gabapentin13 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.

Bills Medicare through one group practice

  1. Community Health OF Central WashingtonYakima, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Jason Sanders among 3,079 internal medicine physician records in Washington

Mark Jason Sanders, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1992 · median 2006 among the 1,852 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

174 internal medicine physician records list a practice address in Everett

They are 174 of the 7,246 NPPES records with a practice address in Everett, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Emily Cheng, MDEverett, WA 982031578524443
  2. Ayad Dawood, MDEverett, WA 982041710946108
  3. Marcos ArreolaEverett, WA 982011164162368
  4. Kathryn Buckman, DOEverett, WA 982011669115010
  5. Yeu-Yao Cheng, MDEverett, WA 982011932897188
  6. Dong Soon Choi, DO, PHDEverett, WA 982011194303545
  7. Keely Coxon, MDEverett, WA 982011831777218
  8. Russom Desta, MDEverett, WA 982011245971209

Common questions

What is Mark Jason Sanders, M.D.'s NPI number?

Mark Jason Sanders, M.D.'s National Provider Identifier (NPI) is 1376571620, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Jason Sanders, M.D. located?

The NPPES record lists a practice address at 4201 Rucker Ave, Everett, WA, 98203. Phone: (425) 382-4000. Providers update this record themselves, so call before visiting.

How can I verify Mark Jason Sanders, M.D.'s license?

NPPES lists Washington license number MD00037227, 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 Jason Sanders, M.D. prescribe under Medicare Part D?

In 2024, Mark Jason Sanders, M.D. had 409 Medicare Part D claims for 155 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.