NPPES file of Aug 9, 2026

Mei Weng Allison, MD

Internal Medicine Physician · Seattle, WA

Mei Weng Allison, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1437201241, issued on Jan 18, 2007. Check the license on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437201241
Name
Mei Weng Allison
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A70116 CA
Self-reported in NPPES; status is on the state search
Practice location
515 Minor Ave, Seattle, WA 98104
Phone
(206) 386-9500
Enumerated
Jan 18, 2007
Record last updated
Jul 14, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(206) 386-9605
Medicaid ID
00A701160 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 515 Minor Ave

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

  1. Paul Abdallah, MDInternal Medicine Physician1639166119
  2. Khaled Abdelrazzak, RPHPharmacist1790097574
  3. Jaime Ablutz, MPT, CSCS, OCS, CMPTPhysical Therapist1598804106
  4. Osama Amro, MD., MSNephrology Physician1154642643
  5. Britt Anderson, MDInternal Medicine Physician1669583506
  6. Charles Bedard, MDGastroenterology Physician1184610214

Verify Mei Weng Allison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical CommissionCheck 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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821 internal medicine physician records list a practice address in Seattle

They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Washington

  1. Sheida Aalami, M.D.Seattle, WA1730573296
  2. Gloria AbacanProsser, WA1316040298
  3. Ahmad Abadullah, MDUniversity Place, WA1225005721
  4. Rebecca AbaySeattle, WA1528565520
  5. Naseer Abbas, MDTacoma, WA1962769380
  6. James Abbey, M.D.Anacortes, WA1447646039
  7. Joel Abbott, D.O.Tacoma, WA1477752723
  8. Paul Abdallah, MDSeattle, WA1639166119
  9. Abir Abdel-Kader, MDRichland, WA1649407081
  10. Hussein Abdille, MDSeattle, WA1588368831

Common questions

What is Mei Weng Allison, MD's NPI number?

Mei Weng Allison, MD's National Provider Identifier (NPI) is 1437201241, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mei Weng Allison, MD located?

The NPPES record lists a practice address at 515 Minor Ave, Seattle, WA, 98104. Phone: (206) 386-9500. Providers update this record themselves, so call before visiting.

How can I verify Mei Weng Allison, MD's license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.