NPPES file of Aug 9, 2026

Lyne Ann Schaefer Alfonse, ARNP

Nurse Practitioner · Seattle, WA

Lyne Ann Schaefer Alfonse, ARNP is a nurse practitioner with a practice address in Seattle, Washington, and NPI 1619907110, issued on Jul 3, 2006. Check the license (Washington AP30007657, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619907110
Name
Lyne Ann Schaefer Alfonse
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
AP30007657 WA
Self-reported in NPPES; status is on the state search
Practice location
1229 Madison St Ste 1450, Seattle, WA 98104
Phone
(206) 844-6001
Enumerated
Jul 3, 2006
Record last updated
Dec 16, 2024
Fax
(206) 844-6002
Medicaid ID
9662453 WA
Medicare enrollment
Enrolled (PECOS I20091111000263); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1229 Madison St Ste 1450

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

  1. Cayla AlexanderNurse Practitioner1407480312
  2. Kristen Austin, MDObstetrics & Gynecology Physician1407927403
  3. Eleanor Friele, MDObstetrics & Gynecology Physician1396829008
  4. Carol Horwitt, ARNPObstetrics & Gynecology Nurse Practitioner1588748297
  5. James Hu, MDDermatology Physician1437277993
  6. Karen Jones, MDObstetrics & Gynecology Physician1205910916

Verify Lyne Ann Schaefer Alfonse 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 AP30007657
    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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1% more Medicare Part D claims than the average nurse practitioner in 2024

1,121 Medicare Part D claims for 172 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 75 claims were for opioids.

  1. Lyne Schaefer Alfonse1,121
  2. Specialty average1,109

Most prescribed

  1. Prednisone135 claims
  2. Methotrexate84 claims
  3. Hydroxychloroquine Sulfate75 claims
  4. Celecoxib74 claims
  5. Rinvoq55 claims
  6. Gabapentin47 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.

The MIPS final score for 2023 (Medicare payment program): 83.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%80.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,015.76

122 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lyne Schaefer Alfonse$3,015.76
  2. Specialty average$791.64

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

  1. Seattle Rheumatology Associates PLLCSeattle, WA

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

Lyne Ann Schaefer Alfonse among 2,308 nurse practitioner records in Washington

Lyne Ann Schaefer Alfonse, ARNP is one of 2,308 nurse practitioner records with a practice address in Washington. 72% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 78% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2004 · median 2018 among the 1,301 with a school on file
  • Record last updated2024 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

569 nurse practitioner records list a practice address in Seattle

They are 569 of the 41,956 NPPES records with a practice address in Seattle, and 2,308 nurse practitioner records in Washington.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Cheryl Bauermeister, ARNPSeattle, WA 981041407810294
  2. Christina Brinch, ARNPSeattle, WA 981041154359743
  3. Carolyn Burkhart, ARNPSeattle, WA 981041275520744
  4. Paula Cox-North, ARNPSeattle, WA 981041699763573
  5. Susan Dippery, ARNPSeattle, WA 981041073540316
  6. Elizabeth Dunlap, ARNPSeattle, WA 981041417908187
  7. Jessica Durham, ARNPSeattle, WA 981041619919362
  8. Jenny Hodgins-Howarth, ARNPSeattle, WA 981041508833013

Common questions

What is Lyne Ann Schaefer Alfonse, ARNP's NPI number?

Lyne Ann Schaefer Alfonse, ARNP's National Provider Identifier (NPI) is 1619907110, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lyne Ann Schaefer Alfonse, ARNP located?

The NPPES record lists a practice address at 1229 Madison St Ste 1450, Seattle, WA, 98104. Phone: (206) 844-6001. Providers update this record themselves, so call before visiting.

How can I verify Lyne Ann Schaefer Alfonse, ARNP's license?

NPPES lists Washington license number AP30007657, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Lyne Ann Schaefer Alfonse, ARNP prescribe under Medicare Part D?

In 2024, Lyne Ann Schaefer Alfonse, ARNP had 1,121 Medicare Part D claims for 172 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Lyne Ann Schaefer Alfonse, ARNP's MIPS final score?

The 2023 MIPS final score is 83.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.