NPPES file of Aug 9, 2026

Lisa Oswald, M.D.

Internal Medicine Physician · Seattle, WA

Lisa Oswald, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1487643912, issued on Oct 18, 2005. Check the license (Washington MD00044185, 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
1487643912
Name
Lisa Oswald
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD00044185 WA
Self-reported in NPPES; status is on the state search
Practice location
1101 Madison St, Seattle, WA 98104
Phone
(206) 505-1101
Enumerated
Oct 18, 2005
Record last updated
Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
8402539 WA
Medicare enrollment
Enrolled (PECOS I20041111001120); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2001
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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8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →

Also registered at 1101 Madison St

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

  1. Deepa Abraham, MDOphthalmology Physician1447250568
  2. Sharmila Ahmed, MDHematology & Oncology Physician1073512141
  3. Kirk Alexander, DPMFoot & Ankle Surgery Podiatrist1720076367
  4. Sonal Avasare, M.D.Pediatric Nephrology Physician1811196686
  5. Ralph Aye, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1982788600
  6. Robert Ballard, MDOtolaryngology Physician1508854449

Verify Lisa Oswald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00044185    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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25% more Medicare Part D claims than the average internal medicine physician in 2024

3,961 Medicare Part D claims for 327 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 54 claims were for opioids.

  1. Lisa Oswald3,961
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate310 claims
  2. Atorvastatin Calcium230 claims
  3. Losartan Potassium166 claims
  4. Omeprazole136 claims
  5. Levothyroxine Sodium133 claims
  6. Gabapentin126 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. Pacmed ClinicsSeattle, WA

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

Lisa Oswald among 3,079 internal medicine physician records in Washington

Lisa Oswald, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2001 · median 2006 among the 1,852 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Abdallah, MDSeattle, WA 981041639166119
  2. James Bushyhead, MDSeattle, WA 981041366439846
  3. Michael Cairns, MDSeattle, WA 981041184611659
  4. Linda Chow, MDSeattle, WA 981041962498014
  5. Alex Efird, MDSeattle, WA 981041669469144
  6. Seth Franklin, MDSeattle, WA 981041588650253
  7. Margo Kober, MDSeattle, WA 981041083601561
  8. Eva KojnokSeattle, WA 981041720075294

Common questions

What is Lisa Oswald, M.D.'s NPI number?

Lisa Oswald, M.D.'s National Provider Identifier (NPI) is 1487643912, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Oswald, M.D. located?

The NPPES record lists a practice address at 1101 Madison St, Seattle, WA, 98104. Phone: (206) 505-1101. Providers update this record themselves, so call before visiting.

How can I verify Lisa Oswald, M.D.'s license?

NPPES lists Washington license number MD00044185, 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 Lisa Oswald, M.D. prescribe under Medicare Part D?

In 2024, Lisa Oswald, M.D. had 3,961 Medicare Part D claims for 327 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.