Elizabeth A. Sieber, ARNP
Acute Care Nurse Practitioner · Seattle, WA
Elizabeth A. Sieber, ARNP is an acute care nurse practitioner with a practice address in Seattle, Washington, and NPI 1386371128, issued on Aug 2, 2022. Check the license (Washington AP61362910, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth A. Sieber
- Credential
- ARNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- AP61362910 WA
RN60931342 WA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 520-5000
- Enumerated
- Aug 2, 2022
- Record last updated
- Nov 8, 2022
- Medicaid ID
- 1386371128 WA
- Medicare enrollment
- Enrolled (PECOS I20251016002535); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 283 in Washington → Look up another NPI →
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elizabeth A. Sieber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP61362910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
338 Medicare Part D claims for 67 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 71 claims were for opioids.
Most prescribed
- Oxycodone Hcl37 claims
- Imatinib Mesylate21 claims
- Ondansetron Odt19 claims
- Dexamethasone14 claims
- Furosemide14 claims
- 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $307.44
4 payments; by number, the most common kind was food and beverage; the largest payer was SpringWorks Therapeutics, Inc. The 10,984 providers of this specialty with any payment received $647.94 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.
Bills Medicare through 2 group practices
- New York UniversityNew York, NY
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth A. Sieber among 283 acute care nurse practitioner records in Washington
Elizabeth A. Sieber, ARNP is one of 283 acute care nurse practitioner records with a practice address in Washington. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 72% of them.
- NPI issued2022 · 72% of these records are older, 18% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2022 · median 2020 among the 207 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Washington
There are 283 acute care nurse practitioner records in Washington.
All 283 in Washington → Every provider in Seattle → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Lina Lee, ACNP-BCSeattle, WA 981091649651001
- Evelyn Lee, AG-ACNP-BCSeattle, WA 981091265807671
- Sirithepphavanh Oliver, CNP-AC, ARNPSeattle, WA 981091013299197
- Kristin Province, ARNPSeattle, WA 981091750564464
- Jessica Provost, ARNP, DNPSeattle, WA 981091225758865
- Haleigh Renner, ARNPSeattle, WA 981091336990837
- Kathryn Russell, RN, BSN, ARNP, MSNSeattle, WA 981091447551114
- Ari Sezto, ARNPSeattle, WA 981091417620907
Common questions
What is Elizabeth A. Sieber, ARNP's NPI number?
Elizabeth A. Sieber, ARNP's National Provider Identifier (NPI) is 1386371128, issued on Aug 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth A. Sieber, ARNP located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth A. Sieber, ARNP's license?
NPPES lists Washington license number AP61362910, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth A. Sieber, ARNP prescribe under Medicare Part D?
In 2024, Elizabeth A. Sieber, ARNP had 338 Medicare Part D claims for 67 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Elizabeth A. Sieber, ARNP's MIPS final score?
The 2023 MIPS final score is 93.1 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.