NPPES file of Aug 9, 2026

Sarah Margaret Baker

Infectious Disease Physician · Seattle, WA

Sarah Margaret Baker is an infectious disease physician with a practice address in Seattle, Washington, and NPI 1952864068, issued on Apr 8, 2019. Check the license (Washington MD61187424, as entered in NPPES) on the Washington Medical Commission; 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
1952864068
Name
Sarah Margaret Baker
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
MD61187424 WA
Self-reported in NPPES; status is on the state search
Practice location
325 9TH Ave, Seattle, WA 98104
Phone
(206) 520-5000
Enumerated
Apr 8, 2019
Record last updated
Jul 24, 2024
Medicare enrollment
Enrolled (PECOS I20240814003994); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2019
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 325 9TH Ave

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

  1. Noor Aaf, PA-CMedical Physician Assistant1558394171
  2. Sheida Aalami, M.D.Internal Medicine Physician1730573296
  3. Collette AbbottHospitalist Physician1306208293
  4. Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
  5. Martin Abdo, COUNSELORCounselor1821202904
  6. Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408

Verify Sarah Margaret Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61187424
    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
Open the Washington license search

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95% fewer Medicare Part D claims than the average infectious disease physician in 2024

33 Medicare Part D claims for 13 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Sarah Baker33
  2. Specialty average689

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. 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).

Infectious Disease Physician providers in Washington

There are 263 infectious disease physician records in Washington.

Other infectious disease physician records in Washington

  1. Jan AgostiSeattle, WA1912082744
  2. Henry Arguinchona, MDSpokane, WA1740228170
  3. Tara Babu, MDSeattle, WA1790945871
  4. Martin Backer, MDYakima, WA1629275060
  5. Jared Baeten, MDSeattle, WA1043201684
  6. Neron Balassanian, MDBellevue, WA1437452034
  7. Christopher Baliga, MDSeattle, WA1154534170
  8. Snehal Bansod, MDSilverdale, WA1083116834
  9. Neil Barg, MDYakima, WA1134213457
  10. Mary Bavaro, MDMount Vernon, WA1508837329

Common questions

What is Sarah Margaret Baker's NPI number?

Sarah Margaret Baker's National Provider Identifier (NPI) is 1952864068, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Margaret Baker located?

The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Sarah Margaret Baker's license?

NPPES lists Washington license number MD61187424, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Margaret Baker prescribe under Medicare Part D?

In 2024, Sarah Margaret Baker had 33 Medicare Part D claims for 13 beneficiaries; the average among infectious disease physician prescribers was 689. 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.