Joanna Chrostowski, D.O.

Individual provider Active NPI Obstetrics & Gynecology Physician · Hillsborough, NJ

NPI 1639628464 · NPPES record last updated Aug 5, 2026

Key facts

NPI
1639628464
Entity type
Individual (NPI type 1)
Primary specialty
Obstetrics & Gynecology Physician 207V00000X
License
25MB10830200 (NJ)
Practice address
331 US Highway 206 Ste 2F
Hillsborough, NJ 08844-4781
Phone
(732) 427-8102
NPI assigned
Sep 21, 2016
Sex
Female
Sole proprietor
Yes

Organizations & group practices 4

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.

Medicare Care Compare profile

Specialty
Obstetrics/Gynecology
Education
New York College of Osteo Medicine of New York Institute of Technology, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regional Womens Health Group LLC (352 clinicians)

Practice addresses (Care Compare)

620 Cranbury Rd
Suite LL90
East Brunswick, NJ 08816-4098
Phone (732) 267-0081

Medicare participation

Medicare fee-for-service enrollment
Enrolled in NJ
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20200810000416 NJ Practitioner - Obstetrics/Gynecology 1052736980 Reassigns benefits to 1 organization

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
BH OBGYN, LLC Obstetrics & Gynecology Current
since May 16, 2026
Accepting new patients
Regional Women'S Health Group, LLC Single Specialty Current
since Oct 1, 2020
Accepting new patients
Regional Womens Health Group LLC Single Specialty Current
since Oct 1, 2020
Accepting new patients
Rutgers Health-RWJ Scleroderma Program Single Specialty Past Accepting new patients

Locations

620 Cranbury Rd
Ste 206
East Brunswick, NJ 08816
Phone (732) 238-2600

620 Cranbury Rd
Ste LL90
East Brunswick, NJ 08816
Phone (732) 257-0081

751 Route 206
Hillsborough, NJ 08844
Phone (908) 725-2510

331 US Highway 206
Ste 2F
Hillsborough, NJ 08844

331 US Highway 206
Hillsborough, NJ 08844
Phone (908) 243-5004

751 Route 206
Fl 2
Hillsborough, NJ 08844
Phone (908) 725-2510

331 US Highway 206
Ste F
Hillsborough, NJ 08844

338 Belleville Tpke
Kearny, NJ 07032
Phone (201) 991-3838

312 Applegarth Rd
Ste 102
Monroe Twp, NJ 08831
Phone (732) 536-5552

10 Plum St
Fl 8
New Brunswick, NJ 08901
Phone (732) 235-5530

188 Fries Mill Rd
Ste N1
Turnersville, NJ 08012
Phone (609) 261-7023

227 Laurel Rd
Ste 300
Voorhees, NJ 08043
Phone (856) 669-6025

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NJ
Obstetrics & Gynecology Physician
Group: 193400000X SINGLE SPECIALTY GROUP
207V00000X 25MB10830200 NJ Yes

Addresses

Primary practice location

331 US Highway 206 Ste 2F
Hillsborough, NJ 08844-4781

Mailing address

331 US Highway 206 Ste 2F
Hillsborough, NJ 08844-4781
Phone (732) 427-8102

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Aug 5, 2026.

{
    "created_epoch": "1474416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1639628464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "331 US HIGHWAY 206 STE 2F",
            "city": "HILLSBOROUGH",
            "state": "NJ",
            "postal_code": "088444781",
            "telephone_number": "732-427-8102"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "331 US HIGHWAY 206 STE 2F",
            "city": "HILLSBOROUGH",
            "state": "NJ",
            "postal_code": "088444781",
            "telephone_number": "732-427-8102"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHROSTOWSKI",
        "first_name": "JOANNA",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-09-21",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NJ",
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Obstetrics & Gynecology",
            "state": "NJ",
            "license": "25MB10830200",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hillsborough, NJ

All providers in Hillsborough, NJ · Obstetrics & Gynecology Physician in New Jersey

Sources for this page

Verify at the official NPI Registry.