Hajoon Chun, M.D.
Maternal & Fetal Medicine Physician · Flushing, NY
Hajoon Chun, M.D. is a maternal & fetal medicine physician with a practice address in Flushing, New York, and NPI 1174612592, issued on Oct 12, 2006. Check the license (New York 198540, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hajoon Chun
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 198540 NY
Self-reported in NPPES; status is on the state search - Practice location
- 18901 Northern Blvd, Flushing, NY 11358
- Phone
- (718) 253-8111
- Enumerated
- Oct 12, 2006
- Record last updated
- Jun 10, 2024
- Fax
- (718) 587-9300
- Medicare enrollment
- Enrolled (PECOS I20090615000236); may accept Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 292 in New York → Look up another NPI →
Also registered at 18901 Northern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krista Clerge, WHNPWomen's Health Nurse Practitioner1336706175
- Sabine EdjengueleWomen's Health Nurse Practitioner1437902350
- Amr Etman, MDGynecology Physician1932362985
Verify Hajoon Chun 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 198540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024
28 Medicare Part D claims, against an average of 41 among the 353 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate22 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 practice group's MIPS final score for 2023 (Medicare payment program): 89.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $40.74
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 784 providers of this specialty with any payment received $1,252.61 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 2 group practices
- Bethpage Medical PLLCNew Hyde Park, NY
- Total Sono, LLCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hajoon Chun among 292 maternal & fetal medicine physician records in New York
Hajoon Chun, M.D. is one of 292 maternal & fetal 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1991 · median 2002 among the 188 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in New York
There are 292 maternal & fetal medicine physician records in New York.
All 292 in New York → Every provider in Flushing → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Ying Chan, MDFlushing, NY 113551174557979
- Ashlesha Dayal, MDFlushing, NY 113551356421838
- Gary Eglinton, M.D.Flushing, NY 113551104864446
- Frances Hsieh, MD, MPHFlushing, NY 113551629399290
- Jessica Scholl, M.D.Flushing, NY 113551821222993
- Daniel Skupski, MDFlushing, NY 113551063451219
- Sara Handwerker, M.D.Elmhurst, NY 113731427075936
- Deepak NandaRego Park, NY 113741932167061
Common questions
What is Hajoon Chun, M.D.'s NPI number?
Hajoon Chun, M.D.'s National Provider Identifier (NPI) is 1174612592, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hajoon Chun, M.D. located?
The NPPES record lists a practice address at 18901 Northern Blvd, Flushing, NY, 11358. Phone: (718) 253-8111. Providers update this record themselves, so call before visiting.
How can I verify Hajoon Chun, M.D.'s license?
NPPES lists New York license number 198540, 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 Hajoon Chun, M.D. prescribe under Medicare Part D?
In 2024, Hajoon Chun, M.D. had 28 Medicare Part D claims; the average among maternal & fetal medicine physician prescribers was 41. Part D covers Medicare prescriptions only.
What is Hajoon Chun, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.5 of 100, reported for the practice group. 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.