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.
- 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
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1124 Columbia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Milah B. Frownfelter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00046578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Levothyroxine Sodium179 claims
- Rosuvastatin Calcium166 claims
- Atorvastatin Calcium110 claims
- Pantoprazole Sodium110 claims
- Gabapentin108 claims
- 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.
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.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Abdallah, MDSeattle, WA 981041639166119
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- Michael Cairns, MDSeattle, WA 981041184611659
- Linda Chow, MDSeattle, WA 981041962498014
- Alex Efird, MDSeattle, WA 981041669469144
- Seth Franklin, MDSeattle, WA 981041588650253
- Margo Kober, MDSeattle, WA 981041083601561
- 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.