Katherine Jen Freedberg, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD495733 Issued in PA

Practice address

833 Chestnut St Ste 220
Philadelphia, PA 19107-4405

Phone

(215) 955-8465

Fax

(215) 955-2516

NPI assigned

Apr 10, 2023

Last updated

Jul 2, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in PA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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

• Thomas Jefferson University Hospitals Inc

  • Rehabilitation Hospital Unit
  • Philadelphia, PA
  • NPI 1033129606
  NPD (past)
• Wills Eye Ophthalmology Clinic, Inc

  • Ophthalmology Physician
  • Philadelphia, PA
  • NPI 1184624009
  NPD (past)

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

{
    "created_epoch": "1681084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782950400000",
    "number": "1417642158",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "833 CHESTNUT ST STE 220",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074405",
            "telephone_number": "215-955-8465",
            "fax_number": "215-955-2516"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "833 CHESTNUT ST STE 220",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074405",
            "telephone_number": "215-955-8465",
            "fax_number": "215-955-2516"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FREEDBERG",
        "first_name": "KATHERINE",
        "middle_name": "JEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-10",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD495733",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Adam Fredo
• Gay Fredrickson-Tate, LSW
• Aaron Freed, DO
• Alex Freed, PHARMD
• Judy P Freed, MSW
• Adina Rachel Freedman, LCSW
• Andrew M Freedman
• Arnold L Freedman, D.D.S.
• Gary Mitchel Freedman, M.D.
• Jaryd Freedman, MD

• Internal Medicine Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• Internal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.