NPPES file of Aug 9, 2026

Alexander Ascenzo Logan, M.D.

Internal Medicine Physician · Seattle, WA

Alexander Ascenzo Logan, M.D. is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1194187203, issued on Mar 28, 2016. Check the license (Washington MD60890421, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194187203
Name
Alexander Ascenzo Logan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD60890421 WA
Self-reported in NPPES; status is on the state search
Practice location
1600 S Columbian Way, Seattle, WA 98108
Phone
(206) 520-5000
Enumerated
Mar 28, 2016
Record last updated
Jun 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
1194187203 WA
Medicare enrollment
Enrolled (PECOS I20200727002264); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2016
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 1600 S Columbian Way

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

  1. Chelsea Allin, PA-CPhysician Assistant1154422301
  2. Abbey Barnard Giustini, MDGastroenterology Physician1376938027
  3. Christine Bittner, DOInternal Medicine Physician1114006731
  4. Rachel Brunner, PHARMDPharmacist1801361589
  5. Sarah Burdell, LMHCMental Health Counselor1609234830
  6. Calvin CorbettMental Health Counselor1780283069

Verify Alexander Ascenzo Logan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60890421
    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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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

83 Medicare Part D claims for 27 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Alexander Logan83
  2. Specialty average3,176

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.5
  2. Costout of 100 · 30%68.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF California Sfgh Medical GroupSan Francisco, CA

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

Alexander Ascenzo Logan among 3,079 internal medicine physician records in Washington

Alexander Ascenzo Logan, 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 2016, is newer than 79% of them.

  • NPI issued2016 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2006 among the 1,852 with a school on file
  • Record last updated2019 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Berger, MDSeattle, WA 981081295748762
  2. Edward Boyko, M.D.Seattle, WA 981081831295401
  3. Paul Cornia, M.D.Seattle, WA 981081730291782
  4. Danielle Frank, M.D.Seattle, WA 981081518063213
  5. Sharon Gill, MDSeattle, WA 981081306956834
  6. Jan Hirschmann, MDSeattle, WA 981081770692402
  7. Kamala Jain, MDSeattle, WA 981081770680886
  8. Mehraneh Khalighi, MDSeattle, WA 981081710089693

Common questions

What is Alexander Ascenzo Logan, M.D.'s NPI number?

Alexander Ascenzo Logan, M.D.'s National Provider Identifier (NPI) is 1194187203, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Ascenzo Logan, M.D. located?

The NPPES record lists a practice address at 1600 S Columbian Way, Seattle, WA, 98108. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Alexander Ascenzo Logan, M.D.'s license?

NPPES lists Washington license number MD60890421, 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 Alexander Ascenzo Logan, M.D. prescribe under Medicare Part D?

In 2024, Alexander Ascenzo Logan, M.D. had 83 Medicare Part D claims for 27 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Alexander Ascenzo Logan, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.