Individual provider Active NPI

Jeffrey H Katz, M.D.

  • Internal Medicine Physician
  • Oxford, CT
National Provider Identifier
1780651745
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
29236 Issued in CT
Practice address
220 Main St Ste 1a
Oxford, CT 06478-1065
Phone
(203) 888-5527
NPI assigned
Mar 8, 2006
Last updated
Aug 25, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 29236 CT Primary

Addresses

Primary practice location

220 Main St Ste 1a
Oxford, CT 06478-1065

Mailing address

67 Maple Ave
Derby, CT 06418-1328

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20110127000028 CT Practitioner - Internal Medicine 6305025073 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Prospect CT Medical Foundation IncGroup PAC ID 7416244496, 287 clinicians
Griffin Faculty Physicians IncGroup PAC ID 7618871997, 125 clinicians

Practice addresses (Care Compare)

18 Haynes St
Uppr Level
Manchester, CT 06040-4111
Phone (860) 649-7557

220 Main St
Suite 1a
Oxford, CT 06478-1065
Phone (203) 888-5527

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Prospect CT Medical Foundation, Inc. Internal Medicine CurrentSince Feb 1, 2023 Accepting new patients
Griffin Faculty Physicians, Inc. Internal Medicine CurrentSince Jul 4, 2025 Accepting new patients

Locations

1801 W Olympic Blvd
#2201
Pasadena, CA 91199

130 Division St
Derby, CT 06418
Phone (203) 732-1330

67 Maple Ave
Derby, CT 06418
Phone (203) 732-0699

18 Haynes St
Uppr
Manchester, CT 06040
Phone (860) 649-7557

595 Main St
Manchester, CT 06040
Phone (860) 559-5178

220 Main St
Ste 1A
Oxford, CT 06478
Phone (203) 888-5527

Interoperability endpoints

  • Direct secure messaging: jeffrey.katz.1@1323.direct.athenahealth.com

Organizations & group practices 2

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.

Hospital & facility affiliations 2

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": "1141776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1780651745",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "67 MAPLE AVE",
            "city": "DERBY",
            "state": "CT",
            "postal_code": "064181328"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 MAIN ST STE 1A",
            "city": "OXFORD",
            "state": "CT",
            "postal_code": "064781065",
            "telephone_number": "203-888-5527"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATZ",
        "first_name": "JEFFREY",
        "middle_name": "H",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-08",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "29236",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oxford, CT

Sources for this page

Verify at the official NPI Registry.