Doctor profile · Federal record

Dr. Hajoon Chun, M.D.

Maternal & Fetal Medicine Physician (CMS: Obstetrics/Gynecology) · Flushing, NY

  • NPI 1174612592
  • MIPS 79.5 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18901 Northern Blvd
Flushing, NY 113582824
(718) 253-8111
fax (718) 587-9300

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 10, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207VM0101X — NUCC code
State license (1)
New York #198540

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174612592. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
120
Distinct HCPCS
2
Medicare allowed
$15,294
HCPCS Description Services Patients Avg allowed
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 60 58 $137
76856 Complete ultrasound scan of pelvis 60 58 $118

In context: peer comparison

Among 1 peers in Flushing Maternal & Fetal Medicine Physician, average services per provider: 60. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $40.74

By nature of payment

Food and Beverage
$41

Frequently asked questions

Auto-generated from federal data
What is Dr. Hajoon Chun's medical specialty?
Dr. Hajoon Chun practices Maternal & Fetal Medicine Physician in Flushing, NY.
Where does Dr. Hajoon Chun practice?
Dr. Hajoon Chun practices at 18901 Northern Blvd, Flushing, NY 113582824. Office phone: 7182538111.
What is Dr. Hajoon Chun's NPI?
Dr. Hajoon Chun's National Provider Identifier (NPI) is 1174612592, issued by NPPES.
Does Dr. Hajoon Chun accept Medicare assignment?
Dr. Hajoon Chun does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Hajoon Chun commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830); Complete ultrasound scan of pelvis (HCPCS 76856). Source: CMS Medicare Physician & Other Practitioners file.