NPPES file of Aug 9, 2026

Lia Grantz

Family Nurse Practitioner · Seattle, WA

Lia Grantz is a family nurse practitioner with a practice address in Seattle, Washington, and NPI 1154149474, issued on Sep 26, 2024. Check the license (Washington AP70053934, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1154149474
Name
Lia Grantz
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP70053934 WA
Self-reported in NPPES; status is on the state search
Practice location
4800 Sand Point Way NE, Seattle, WA 98105
Phone
(206) 987-2000
Enumerated
Sep 26, 2024
Record last updated
Oct 14, 2025
Medicare enrollment
Enrolled (PECOS I20260101000396); may accept 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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8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →

Also registered at 4800 Sand Point Way NE

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

  1. Charlotte AagaardBehavior Technician1194350884
  2. Sergey Abeshaus, MDNeurological Surgery Physician1770870859
  3. Ilyse Abrams, NPPediatric Nurse Practitioner1730108333
  4. Evan Abrass, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1598237919
  5. Seja AbudiabPediatrics Physician1285166173
  6. Michele Acker, ARNPPediatric Nurse Practitioner1720019094

Verify Lia Grantz 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 AP70053934    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

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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Lia Grantz among 3,781 family nurse practitioner records in Washington

Lia Grantz is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 5% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2025 · median 2018 among the 2,116 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

663 family nurse practitioner records list a practice address in Seattle

They are 663 of the 41,956 NPPES records with a practice address in Seattle, and 3,781 family nurse practitioner records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,781 in Washington → Every provider in Seattle → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Elise Aitken, ARNPSeattle, WA 981051629116686
  2. Lise Anderheggen Leif, ARNPSeattle, WA 981051639252810
  3. Amy AndersenSeattle, WA 981051316129026
  4. Marie Brown, ARNPSeattle, WA 981051659321511
  5. Robyn Evans, NPSeattle, WA 981051992824528
  6. Shannon Fitzgerald, ARNPSeattle, WA 981051780674200
  7. Kristin Gard, ARNPSeattle, WA 981051114022266
  8. Jennifer King, NPSeattle, WA 981051396735163

Common questions

What is Lia Grantz's NPI number?

Lia Grantz's National Provider Identifier (NPI) is 1154149474, issued on Sep 26, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Lia Grantz located?

The NPPES record lists a practice address at 4800 Sand Point Way NE, Seattle, WA, 98105. Phone: (206) 987-2000. Providers update this record themselves, so call before visiting.

How can I verify Lia Grantz's license?

NPPES lists Washington license number AP70053934, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.