Doctor profile · Federal record

Dr. Eun Soo Kwak-Peacock, M.D.

Internal Medicine Physician (CMS: Allergy/Immunology) · Croton on Hudson, NY

  • NPI 1255590295
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
35 S Riverside Ave
Croton on Hudson, NY 105202653
(914) 739-0087
fax (914) 737-1714
Mailing address
50 Dayton Ln, Suite 202
Peekskill, NY 105662859

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
November 29, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #253016

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255590295. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
124
Distinct HCPCS
4
Medicare allowed
$14,133
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 57 44 $107
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $198
36415 Insertion of needle into vein for collection of blood sample 24 24 $8
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $135

In context: peer comparison

Among 3 peers in Croton on Hudson Internal Medicine Physician, average services per provider: 111. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 2 $40.14

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
235
Patients
86
Total drug cost
$70,967
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 46 14 $1,255
Fluticasone Propionate Generic 41 15 $1,054
Azelastine Hcl Generic 35 15 $1,650
Levocetirizine Dihydrochloride Generic 35 12 $1,051
Epinephrine Generic 23 19 $5,848
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 19 11 $1,017
Dupixent Syringe (Dupilumab) Brand 13 0 $45,757
Breo Ellipta (Fluticasone/Vilanterol) Brand 12 0 $9,755
Azelastine-Fluticasone (Azelastine/Fluticasone) Brand 11 0 $3,579

Frequently asked questions

Auto-generated from federal data
What is Dr. Eun Soo Kwak-Peacock's medical specialty?
Dr. Eun Soo Kwak-Peacock practices Internal Medicine Physician in Croton on Hudson, NY.
Where does Dr. Eun Soo Kwak-Peacock practice?
Dr. Eun Soo Kwak-Peacock practices at 35 S Riverside Ave, Croton on Hudson, NY 105202653. Office phone: 9147390087.
What is Dr. Eun Soo Kwak-Peacock's NPI?
Dr. Eun Soo Kwak-Peacock's National Provider Identifier (NPI) is 1255590295, issued by NPPES.
Does Dr. Eun Soo Kwak-Peacock accept Medicare assignment?
Yes. Dr. Eun Soo Kwak-Peacock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eun Soo Kwak-Peacock commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.