Individual provider Active NPI

Hajoon Chun, M.D.

  • Maternal & Fetal Medicine Physician
  • Flushing, NY
National Provider Identifier
1174612592
Registry record updated Jun 10, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X
License
198540 Issued in NY
Practice address
18901 Northern Blvd
Flushing, NY 11358-2824
Phone
(718) 253-8111
Fax
(718) 587-9300
NPI assigned
Oct 12, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 10, 2024

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Maternal & Fetal Medicine Physician 207VM0101X 198540 NY Primary

Addresses

Primary practice location

18901 Northern Blvd
Flushing, NY 11358-2824

Mailing address

18901 Northern Blvd
Flushing, NY 11358-2824
Phone (718) 253-8111

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090615000236 NY Practitioner - Obstetrics/Gynecology 8820148745 Reassigns benefits to 11 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Tufts University School of Medicine, 1991
Medicare assignment
May accept Medicare assignment
Group practices
Total Sono, LLCGroup PAC ID 9739365610, 4 clinicians
Bethpage Medical PLLCGroup PAC ID 3375692387, 11 clinicians

Practice addresses (Care Compare)

2829 Ocean Pkwy
Brooklyn, NY 11235-7869
Phone (917) 686-0516

3333 New Hyde Park Rd
Suite 100101 Garden OB/GYN
New Hyde Park, NY 11042-1204
Phone (516) 439-5300

600 Northern Blvd
Great Neck, NY 11021-5200
Phone (516) 466-4128

9811 Queens Blvd
Suite LL3
Rego Park, NY 11374-3323
Phone 71860628001000

Merit-based Incentive Payment System (MIPS)

Final score
85.41 of 100Reported as group
Quality
64.77
Promoting interoperability
79
Improvement activities
40
Cost
70.76

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Nsuh Plainview Physicians Ufp Corporation Maternal & Fetal Medicine CurrentSince Jan 12, 2026 Accepting new patients
Flushing Hospital & Medical Center CurrentSince Jun 1, 2012 Accepting new patients
Flushing Hospital Medical Center CurrentSince Jun 1, 2012 Accepting new patients
Invision Maternal Fetal Medicine PC Maternal & Fetal Medicine CurrentSince Mar 1, 2025 Accepting new patients
Medical Care for Women, PC CurrentSince Dec 1, 2024 Accepting new patients
Bethpage Medical, PLLC CurrentSince May 1, 2012 Accepting new patients
Choices Women's Medical Center, Inc. CurrentSince Feb 1, 2026 Accepting new patients
Onsite Medical Suite PC CurrentSince Feb 5, 2016 Accepting new patients
Total Sono, LLC Maternal & Fetal Medicine CurrentSince Jan 1, 2025 Accepting new patients
TJH Medical Services, P.C. CurrentSince Feb 16, 2011 Accepting new patients
Comprehensive Medical Care, PC CurrentSince Feb 1, 2026 Accepting new patients
HJC Medicine PLLC Maternal & Fetal Medicine CurrentSince Aug 13, 2023 Accepting new patients
East Coast Anesthesia PC Past Accepting new patients
Envision MFM LLC Maternal & Fetal Medicine PastSince Jul 21, 2024 Accepting new patients
Elite Medical Services,PLLC PastSince Aug 26, 2009 Accepting new patients

Locations

2322 30th Rd
Ste 1H
Astoria, NY 11102
Phone (718) 278-0888

136 3rd Ave
Brentwood, NY 11717
Phone (347) 268-9125

2829 Ocean Pkwy
Brooklyn, NY 11235
Phone (718) 676-4112

2401 Avenue X
Brooklyn, NY 11235
Phone (347) 702-8377

1575 E 19th St
Brooklyn, NY 11230
Phone (718) 339-3777

2829 Ocean Pkwy
Ste 3
Brooklyn, NY 11235
Phone (718) 743-5300

123 Maple Ave
Cedarhurst, NY 11516
Phone (516) 295-1300

18901 Northern Blvd
Ste 2
Flushing, NY 11358

4500 Parsons Blvd
Flushing, NY 11355
Phone (718) 670-5631

18901 Northern Blvd
Flushing, NY 11358
Phone (718) 261-9300

14601 45th Ave
Flushing, NY 11355
Phone (718) 670-5562

14601 45th Ave
Ste 404
Flushing, NY 11355
Phone (718) 670-3143

13620 38th Ave
Ste 5D
Flushing, NY 11354
Phone (718) 390-0800

11241 Queens Blvd
Forest Hills, NY 11375
Phone (347) 321-7911

7010 Austin St
Ste 200
Forest Hills, NY 11375
Phone (718) 268-7337

16303 Horace Harding Expy
Ste 300
Fresh Meadows, NY 11365
Phone (718) 464-3000

200 Garden City Plz
Ste 100
Garden City, NY 11530
Phone (516) 414-6900

600 Northern Blvd
Ste 106
Great Neck, NY 11021
Phone (516) 466-4128

14732 Jamaica Ave
Jamaica, NY 11435
Phone (718) 206-2002

11940 Metropolitan Ave
Kew Gardens, NY 11415
Phone (718) 849-0839

210 E 64th St
New York, NY 10065
Phone (212) 434-4312

9811 Queens Blvd
Ste LL3
Rego Park, NY 11374
Phone (718) 606-2800

2066 Richmond Ave
Ste 1R
Staten Island, NY 10314
Phone (646) 661-1338

668 Castleton Ave
Staten Island, NY 10301
Phone (718) 442-3436

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H9678

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/BIIBDD/Endpoint/BIIBDD
  • FHIR API: https://api.platform.athenahealth.com/2183/brand/318/csg/2083/fhir/r4
  • FHIR API: https://fhir4.healow.com/fhir/r4/IIDCAA/Endpoint/IIDCAA

Organizations & group practices 15

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 15

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1160611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1717977600000",
    "number": "1174612592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18901 NORTHERN BLVD",
            "city": "FLUSHING",
            "state": "NY",
            "postal_code": "113582824",
            "telephone_number": "718-253-8111",
            "fax_number": "718-587-9300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18901 NORTHERN BLVD",
            "city": "FLUSHING",
            "state": "NY",
            "postal_code": "113582824",
            "telephone_number": "718-253-8111",
            "fax_number": "718-587-9300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHUN",
        "first_name": "HAJOON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-12",
        "last_updated": "2024-06-10",
        "certification_date": "2024-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "NY",
            "license": "198540",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Flushing, NY

Sources for this page

Verify at the official NPI Registry.