NPPES file of Aug 9, 2026

Mary Ellen Biggerstaff, ARNP

Family Nurse Practitioner · Elma, WA

Mary Ellen Biggerstaff, ARNP is a family nurse practitioner with a practice address in Elma, Washington, and NPI 1366775652, issued on Sep 17, 2009. Check the license (Washington AP60102544, as entered in NPPES) with the Washington board that licenses this profession; 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
1366775652
Name
Mary Ellen Biggerstaff
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP60102544 WA
Self-reported in NPPES; status is on the state search
Practice location
600 E. Main Street, Elma, WA 98541
Phone
(360) 495-3244
Enumerated
Sep 17, 2009
Record last updated
Mar 13, 2023
Fax
(360) 495-3364
Medicare enrollment
Enrolled (PECOS I20100128000272); accepts Medicare assignment
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 600 E. Main Street

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

  1. Mariel Chan, MDStudent in an Organized Health Care Education/Training Program1033787767
  2. Zoe DaeeStudent in an Organized Health Care Education/Training Program1295538049
  3. Benjamin Good, M.D.Emergency Medicine Physician1730408964
  4. Bonnie McReynolds, ARNPNurse Practitioner1619930914
  5. Tammy Moore, ARNPPrimary Care Nurse Practitioner1063440964

Verify Mary Ellen Biggerstaff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license AP60102544
    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
Find the Washington license search

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90% fewer Medicare Part D claims than the average family nurse practitioner in 2024

129 Medicare Part D claims for 70 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mary Ellen Biggerstaff129
  2. Specialty average1,305

Most prescribed

  1. Buprenorphine-Naloxone21 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. Grays Harbor County Public Hospital District NO 1Elma, WA

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

13 family nurse practitioner records list a practice address in Elma

They are 13 of the 128 NPPES records with a practice address in Elma, and 3,781 family nurse practitioner records in Washington.

Other family nurse practitioner records in Washington

  1. Erin Aas, ARNPOak Harbor, WA1972566206
  2. Amma AbabioSunnyside, WA1952056541
  3. Kimberly Abbey, NPBellevue, WA1700909181
  4. Mary Abbott, ARNP, FNP-CTacoma, WA1285514539
  5. Nurto AbdullaSeattle, WA1215629035
  6. Teresa Abernathy, ARNPOlympia, WA1124454533
  7. Brenda Abraham, N.P.Bremerton, WA1497745558
  8. Heina Abraham, APRN, FNP-CTukwila, WA1770169682
  9. Alan Abrams, ARNPEverett, WA1639347438
  10. Kristen Abrams, ARNPLakewood, WA1841449170

Common questions

What is Mary Ellen Biggerstaff, ARNP's NPI number?

Mary Ellen Biggerstaff, ARNP's National Provider Identifier (NPI) is 1366775652, issued on Sep 17, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ellen Biggerstaff, ARNP located?

The NPPES record lists a practice address at 600 E. Main Street, Elma, WA, 98541. Phone: (360) 495-3244. Providers update this record themselves, so call before visiting.

How can I verify Mary Ellen Biggerstaff, ARNP's license?

NPPES lists Washington license number AP60102544, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Ellen Biggerstaff, ARNP prescribe under Medicare Part D?

In 2024, Mary Ellen Biggerstaff, ARNP had 129 Medicare Part D claims for 70 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.