NPPES file of Aug 9, 2026

Yan Liu Baum, MD

Family Medicine Physician · Redmond, WA

Yan Liu Baum, MD is a family medicine physician with a practice address in Redmond, Washington, and NPI 1194931204, issued on May 15, 2007. Check the license (Washington ML20008651, 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
1194931204
Name
Yan Liu Baum
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
ML20008651 WA
Self-reported in NPPES; status is on the state search
Practice location
15809 Bear Creek Pkwy, Redmond, WA 98052
Phone
(425) 882-6100
Enumerated
May 15, 2007
Record last updated
Apr 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090724000021); 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 15809 Bear Creek Pkwy

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

  1. Jack Hung, M.D.Family Medicine Physician1225471451
  2. Robert NohlePediatrics Physician1619020955
  3. Atousa Sobhi, MDInternal Medicine Physician1093120750
  4. Lasley Xiong, DOFamily Medicine Physician1821390394
  5. Helen YinHospice Registered Nurse1578339115

Verify Yan Liu Baum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license ML20008651
    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

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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22% more Medicare Part D claims than the average family medicine physician in 2024

4,313 Medicare Part D claims for 382 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 64 claims were for opioids.

  1. Yan Baum4,313
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium466 claims
  2. Amlodipine Besylate250 claims
  3. Losartan Potassium213 claims
  4. Levothyroxine Sodium170 claims
  5. Lisinopril165 claims
  6. Atenolol153 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 WashingtonTacoma, WA

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

76 family medicine physician records list a practice address in Redmond

They are 76 of the 1,797 NPPES records with a practice address in Redmond, and 5,534 family medicine physician records in Washington.

Other family medicine physician records in Washington

  1. Shawn Aaron, MDLongview, WA1578560710
  2. John Abano, M.D.Shoreline, WA1891929857
  3. Sarah Abbot, DOKirkland, WA1033555180
  4. Arthur Abbott, M.D.Seattle, WA1255488847
  5. Dale Abbott, MDBurlington, WA1760453534
  6. Michael Abbott, MDEast Wenatchee, WA1336179928
  7. Richard Abbott, M.D.Mount Vernon, WA1689835803
  8. Charlee Abboud, DOTacoma, WA1174152169
  9. Suad AbdelazizSeattle, WA1306423421
  10. Joonis Abdulkhader, M.D.Seattle, WA1518154335

Common questions

What is Yan Liu Baum, MD's NPI number?

Yan Liu Baum, MD's National Provider Identifier (NPI) is 1194931204, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Yan Liu Baum, MD located?

The NPPES record lists a practice address at 15809 Bear Creek Pkwy, Redmond, WA, 98052. Phone: (425) 882-6100. Providers update this record themselves, so call before visiting.

How can I verify Yan Liu Baum, MD's license?

NPPES lists Washington license number ML20008651, 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 Yan Liu Baum, MD prescribe under Medicare Part D?

In 2024, Yan Liu Baum, MD had 4,313 Medicare Part D claims for 382 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.