NPPES file of Aug 9, 2026

Milah B. Frownfelter, MD

Internal Medicine Physician · Seattle, WA

Milah B. Frownfelter, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1265461099, issued on Jul 2, 2006. Check the license (Washington MD00046578, 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
1265461099
Name
Milah B. Frownfelter
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD00046578 WA
Self-reported in NPPES; status is on the state search
Practice location
1124 Columbia St, Seattle, WA 98104
Phone
(206) 215-2550
Enumerated
Jul 2, 2006
Record last updated
Oct 27, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(206) 215-2555
Medicaid ID
8459927 WA
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 1124 Columbia St

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

  1. Michaela AbuegPhysical Therapist1982579124
  2. Troy AzuoguAthletic Trainer1801383674
  3. Lynnette Fischer, PHD, LPClinical Psychologist1922231935
  4. Rajen Goyal, MDAnatomic Pathology & Clinical Pathology Physician1447566864
  5. Tracey Harbert, M.D.Anatomic Pathology & Clinical Pathology Physician1215165394
  6. Robert Kitchell, MDInternal Medicine Physician1457446379

Verify Milah B. Frownfelter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00046578
    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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36% more Medicare Part D claims than the average internal medicine physician in 2024

4,331 Medicare Part D claims for 326 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. 155 claims were for opioids.

  1. Milah Frownfelter4,331
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium179 claims
  2. Rosuvastatin Calcium166 claims
  3. Atorvastatin Calcium110 claims
  4. Pantoprazole Sodium110 claims
  5. Gabapentin108 claims
  6. Losartan Potassium100 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.

The MIPS final score for 2023 (Medicare payment program): 83.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score74.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%80.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Milah B. Frownfelter among 3,079 internal medicine physician records in Washington

Milah B. Frownfelter, MD 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2015 · 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. 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 Milah B. Frownfelter, MD's NPI number?

Milah B. Frownfelter, MD's National Provider Identifier (NPI) is 1265461099, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Milah B. Frownfelter, MD located?

The NPPES record lists a practice address at 1124 Columbia St, Seattle, WA, 98104. Phone: (206) 215-2550. Providers update this record themselves, so call before visiting.

How can I verify Milah B. Frownfelter, MD's license?

NPPES lists Washington license number MD00046578, 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 Milah B. Frownfelter, MD prescribe under Medicare Part D?

In 2024, Milah B. Frownfelter, MD had 4,331 Medicare Part D claims for 326 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Milah B. Frownfelter, MD's MIPS final score?

The 2023 MIPS final score is 83.8 of 100. 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.