Esther Yoo, M.D.
Internal Medicine Physician · Radnor, PA
Esther Yoo, M.D. is an internal medicine physician with a practice address in Radnor, Pennsylvania, and NPI 1396279352, issued on Apr 17, 2017. Check the license (Pennsylvania MD493404, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Esther Yoo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD493404 PA
304983 NY
Self-reported in NPPES; status is on the state search - Practice location
- 145 King OF Prussia RD, Radnor, PA 19087
- Phone
- (610) 902-5600
- Enumerated
- Apr 17, 2017
- Entity
- Type 1 · individual
Also registered at 145 King OF Prussia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah ChangPharmacist1912832940
- Roopali Kulkarni, DMD, MPHStudent in an Organized Health Care Education/Training Program1245790153
- Laurie Lynch, RPHAmbulatory Care Pharmacist1578489027
- Derek Mann, MSGenetic Counselor (M.S.)1528666526
- Kara Shetler, M.D.Vascular Neurology Physician1619330958
- Christopher SinoimeriOncology Pharmacist1902621592
Verify Esther Yoo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD493404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
429 Medicare Part D claims for 121 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium54 claims
- Amlodipine Besylate35 claims
- Levothyroxine Sodium30 claims
- Paxlovid24 claims
- Rosuvastatin Calcium18 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 Medicare quality score for 2023: 100 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).
2 hospital and facility affiliations
- Trustees OF The University OF PennsylvaniaRadnor, PA
- Weill Medical College OF CornellBrooklyn, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
16 internal medicine physician records list a Radnor practice address
They are 16 of the 240 NPPES records with a Radnor practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 16 in Radnor → All 8,636 in Pennsylvania → Every provider in Radnor →
Other internal medicine physician records in Pennsylvania
- Erin Aakhus, M.D.Philadelphia, PA1255652087
- Muhammad Aamir, MDAllentown, PA1477039147
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Cybele Abad, M.D.Pittsburgh, PA1619900453
- Mario Abad, MDDuncannon, PA1710022975
- Joseph Abalos, M.D.Seneca, PA1215128434
- Ali Abbas, MDYork, PA1023343779
- Huda Abbas, MDDoylestown, PA1316187024
Common questions
What is Esther Yoo, M.D.'s NPI number?
Esther Yoo, M.D.'s National Provider Identifier (NPI) is 1396279352, issued on Apr 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Esther Yoo, M.D. located?
The NPPES record lists a practice address at 145 King OF Prussia RD, Radnor, PA, 19087. Phone: (610) 902-5600. Providers update this record themselves, so call before visiting.
How can I verify Esther Yoo, M.D.'s license?
NPPES lists Pennsylvania license number MD493404, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Esther Yoo, M.D. prescribe under Medicare Part D?
In 2024, Esther Yoo, M.D. had 429 Medicare Part D claims for 121 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Esther Yoo, M.D.'s Medicare quality score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.