Individual provider Active NPI

Heather I Frimmer, MD

  • Diagnostic Radiology Physician
  • Norwalk, CT
National Provider Identifier
1003897687
Registry record updated Jan 17, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
222220 Issued in NY
Practice address
148 East Ave
Norwalk, CT 06851-5721
Phone
(203) 852-9913
NPI assigned
Nov 9, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 17, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 043027 CT
Diagnostic Radiology Physician 2085R0202X 222220 NY Primary

Addresses

Primary practice location

148 East Ave
Norwalk, CT 06851-5721

Mailing address

210 Commerce Way
Suite 175
Portsmouth, NH 03801-8200
Phone (603) 431-9160

Other identifiers 1

IdentifierTypeStateIssuer
001430272MedicaidCT

Other names 1

  • Heather J Israel Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT, NY, NJ3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20050804000583 CT Practitioner - Diagnostic Radiology 5496784043 Reassigns benefits to 4 organizations
I20180411001581 NY Practitioner - Diagnostic Radiology 5496784043 Reassigns benefits to 7 organizations
I20260211002823 NJ Practitioner - Diagnostic Radiology 5496784043 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
JS Weill Medical College, Cornell University, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Main Street Radiology at Bayside LLCGroup PAC ID 5395732671, 56 clinicians
North Shore Hematology Oncology Associates PCGroup PAC ID 1456243641, 474 clinicians
Radiology Associates of Main Street PCGroup PAC ID 5799677522, 52 clinicians
Valley Physician Services PCGroup PAC ID 3577857333, 593 clinicians

Practice addresses (Care Compare)

11 Whitewood Hollow CT
Ridgefield, CT 06877-3405
Phone (718) 428-1500

1500 Route 112
BLDG 2
Port Jefferson Station, NY 11776-8055
Phone (631) 751-3000

21 Ivy Close
Forest Hills, NY 11375-6020
Phone (718) 670-1050

27 Old Easton Tpke
Weston, CT 06883-2410
Phone (201) 447-8000

3225 Francis Lewis Blvd
Flushing, NY 11358-1922
Phone (718) 428-1500

4 Valley Health PLZ
Paramus, NJ 07652-3619
Phone (800) 825-5391

5645 Main St
Flushing, NY 11355-5045
Phone (718) 428-1500

Hospital & facility affiliations

  • New York-Presbyterian/Queens Hospital, Flushing, NY, CCN 330055
  • Valley Hospital Hospital, Paramus, NJ, CCN 310012

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
043027CTMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Trustees of Columbia University in the City of New York Current Accepting new patients
Valley Physician Services PC CurrentSince Oct 13, 2025 Accepting new patients
Radiology Associates of Main Street PC Diagnostic Radiology CurrentSince Apr 4, 2018 Accepting new patients
North Shore Hematology Oncology Associates PC CurrentSince Jul 1, 2022 Accepting new patients
Columbiadoctors/Newyork-Presbyterianimaging CurrentSince Jan 8, 2024 Accepting new patients
Trustees of Columbia University in the City of New York Diagnostic Radiology CurrentSince Jan 8, 2024 Accepting new patients
Columbia/Newyork-Presbyterian Advanced Imaging Inc. CurrentSince Nov 23, 2024 Accepting new patients
Sunset Park Radiology PC Diagnostic Radiology CurrentSince Dec 1, 2022 Accepting new patients
Main Street Radiology at Bayside LLC Diagnostic Radiology CurrentSince Apr 4, 2018 Accepting new patients
Main Street Radiology at Bayside LLC Diagnostic Radiology Past Accepting new patients
Trustees of Columbia University in the City of New York Past Accepting new patients

Locations

5521 8th Ave
Fl 6
Brooklyn, NY 11220
Phone (718) 928-2588

3225 Francis Lewis Blvd
Flushing, NY 11358
Phone 61421018851070

10837 71st Ave
Ste 2
Forest Hills, NY 11375
Phone (718) 575-8787

7206 Northern Blvd
Jackson Heights, NY 11372
Phone (718) 670-1512

3016 30th Dr
Long Island City, NY 11102
Phone (718) 728-3376

622 W 168th St
New York, NY 10032
Phone (212) 305-4931

161 Fort Washington Ave
New York, NY 10032
Phone (212) 305-8559

722 W 168th St
New York, NY 10032
Phone (212) 305-6754

51 W 51st St
Ste 300
New York, NY 10019
Phone (212) 342-3666

630 W 168th St
#28
New York, NY 10032
Phone (212) 305-1948

202 Canal St
Ste 500
New York, NY 10013
Phone (212) 203-6683

1500 Route 112
Bldg 2
Port Jefferson Station, NY 11776
Phone (631) 626-4737

1500 Route 112
Bldg 4
Port Jefferson Station, NY 11776
Phone (631) 574-8354

48 Route 25A
Smithtown, NY 11787
Phone (631) 862-3540

Networks

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

Interoperability endpoints

  • Direct secure messaging: hjisrael@direct.nyp.org
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 11

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.

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1131494400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1705449600000",
    "number": "1003897687",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "210 COMMERCE WAY",
            "address_2": "SUITE 175",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038018200",
            "telephone_number": "603-431-9160"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "148 EAST AVE",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "068515721",
            "telephone_number": "203-852-9913"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRIMMER",
        "first_name": "HEATHER",
        "middle_name": "I",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-09",
        "last_updated": "2024-01-17",
        "certification_date": "2024-01-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CT",
            "license": "043027",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "222220",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001430272",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HEATHER",
            "last_name": "ISRAEL",
            "middle_name": "J",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Norwalk, CT

Sources for this page

Verify at the official NPI Registry.