NPPES file of Aug 9, 2026

Ann Marie Mosbacher, NP-C

Primary Care Nurse Practitioner · Seattle, WA

Ann Marie Mosbacher, NP-C is a primary care nurse practitioner with a practice address in Seattle, Washington, and NPI 1770905564, issued on Jan 13, 2014. Check the license (Washington AP60427846, 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
1770905564
Name
Ann Marie Mosbacher
Credential
NP-C
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License number
AP60427846 WA
Self-reported in NPPES; status is on the state search
Practice location
4515 Martin Luther King JR Way S, Seattle, WA 98108
Phone
(206) 320-5325
Enumerated
Jan 13, 2014
Record last updated
Sep 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140221001316); 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 4515 Martin Luther King JR Way S

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

  1. Cathy Addis, RNHome Health Registered Nurse1669729539
  2. Barbara Bertucio, PTPhysical Therapist1992052559
  3. Susan Broadhurst, OTOccupational Therapist1245562172
  4. Brenda Carlock, RN, BSNRegistered Nurse1740537570
  5. Melanie Cave, M.S., R.D.Registered Dietitian1093062432
  6. Yan Chen, M.D.Geriatric Medicine (Internal Medicine) Physician1609118496

Verify Ann Marie Mosbacher 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 AP60427846
    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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35% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024

963 Medicare Part D claims for 99 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 12 claims were for opioids.

  1. Ann Mosbacher963
  2. Specialty average1,492

Most prescribed

  1. Trazodone Hcl63 claims
  2. Quetiapine Fumarate52 claims
  3. Gabapentin49 claims
  4. Mirtazapine44 claims
  5. Sertraline Hcl44 claims
  6. Risperidone42 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. Kaiser Foundation Health Plan OF WashingtonSeattle, WA

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

Primary Care Nurse Practitioner providers in Washington

There are 196 primary care nurse practitioner records in Washington.

Other primary care nurse practitioner records in Washington

  1. Abubakar Abdul-Rahman, NPSeattle, WA1689939001
  2. Mark Abrams, APRN, BCTacoma, WA1306841804
  3. Christine Acker, ARNPKennewick, WA1023004256
  4. Tanvi Aggarwal, RNSeattle, WA1144853136
  5. Nakita Akil, RNTacoma, WA1316487549
  6. Samuel Alemu, ARNPAuburn, WA1700584661
  7. Pamela Altman, NP,PHN,RNSeattle, WA1700890928
  8. Alessa Anderson, AGNP-CWalla Walla, WA1649905324
  9. Erin Anderson, ARNPSeattle, WA1487190138
  10. Tina Anderson, ARNPRenton, WA1659077048

Common questions

What is Ann Marie Mosbacher, NP-C's NPI number?

Ann Marie Mosbacher, NP-C's National Provider Identifier (NPI) is 1770905564, issued on Jan 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ann Marie Mosbacher, NP-C located?

The NPPES record lists a practice address at 4515 Martin Luther King JR Way S, Seattle, WA, 98108. Phone: (206) 320-5325. Providers update this record themselves, so call before visiting.

How can I verify Ann Marie Mosbacher, NP-C's license?

NPPES lists Washington license number AP60427846, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Ann Marie Mosbacher, NP-C prescribe under Medicare Part D?

In 2024, Ann Marie Mosbacher, NP-C had 963 Medicare Part D claims for 99 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.