Eun Soo Kwak-Peacock, M.D.
Internal Medicine Physician · Croton On Hudson, NY
Eun Soo Kwak-Peacock, M.D. is an internal medicine physician with a practice address in Croton On Hudson, New York, and NPI 1255590295, issued on Jun 5, 2008. Check the license (New York 253016, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Eun Soo Kwak-Peacock
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 253016 NY
Self-reported in NPPES; status is on the state search - Practice location
- 35 S Riverside Ave, Croton On Hudson, NY 10520
- Phone
- (914) 739-0087
- Enumerated
- Jun 5, 2008
- Record last updated
- Nov 29, 2022
- Fax
- (914) 737-1714
- Medicare enrollment
- Enrolled (PECOS I20100813000016); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 35 S Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Baskind, MDPediatrics Physician1235221300
- Nicole Belkin, MDOrthopaedic Surgery Physician1003041757
- Neil Goldman, MDAllergy Physician1851447395
- Alexis Oliveros, M.D.Internal Medicine Physician1538302310
- Salvatore Pasquale, MDInternal Medicine Physician1952482143
- Mary Stavitz, PNPPediatric Nurse Practitioner1740481696
Verify Eun Soo Kwak-Peacock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 253016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
284 Medicare Part D claims for 65 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Montelukast Sodium42 claims
- Levocetirizine Dihydrochloride37 claims
- Fluticasone Propionate26 claims
- Albuterol Sulfate Hfa21 claims
- Azelastine Hcl21 claims
- Epinephrine14 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): 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).
Industry payments in 2024: $40.14
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- White Plains Physician Services PCPleasantville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eun Soo Kwak-Peacock among 12,067 internal medicine physician records in New York
Eun Soo Kwak-Peacock, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2002 among the 7,221 with a school on file
- Record last updated2022 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Croton On Hudson
They are 7 of the 226 NPPES records with a practice address in Croton On Hudson, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Croton On Hudson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Christensen, MDCroton On Hudson, NY 105201023019809
- Martin Melman, MDCroton On Hudson, NY 105201225039001
- Alexis Oliveros, M.D.Croton On Hudson, NY 105201538302310
- Salvatore Pasquale, MDCroton On Hudson, NY 105201952482143
- Eugene Rajaratnam, MDCroton On Hudson, NY 105201356476386
- Hashmat Rajput, MDCroton, NY 105201750490439
- Marco Zarlengo, M.D.Croton On Hudson, NY 105201982719894
- Cynthia Brown, MDDobbs Ferry, NY 105221205912029
Common questions
What is Eun Soo Kwak-Peacock, M.D.'s NPI number?
Eun Soo Kwak-Peacock, M.D.'s National Provider Identifier (NPI) is 1255590295, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Eun Soo Kwak-Peacock, M.D. located?
The NPPES record lists a practice address at 35 S Riverside Ave, Croton On Hudson, NY, 10520. Phone: (914) 739-0087. Providers update this record themselves, so call before visiting.
How can I verify Eun Soo Kwak-Peacock, M.D.'s license?
NPPES lists New York license number 253016, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eun Soo Kwak-Peacock, M.D. prescribe under Medicare Part D?
In 2024, Eun Soo Kwak-Peacock, M.D. had 284 Medicare Part D claims for 65 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Eun Soo Kwak-Peacock, M.D.'s MIPS final 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), 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.