NPIMap

Individual provider Active NPI

Karen K. Jeng, M.D.

  • Obstetrics & Gynecology Physician
  • Milford, MA
National Provider Identifier
1942285184
Registry record updated Sep 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
229981 Issued in MA
Practice address
91 Water St
Milford, MA 01757-3005
Phone
(508) 458-4200
Fax
(508) 458-4251
NPI assigned
Dec 9, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 229981 MA Primary

Addresses

Primary practice location

91 Water St
Milford, MA 01757-3005

Mailing address

PO Box 415348
Boston, MA 02241-5348

Other identifiers 1

IdentifierTypeStateIssuer
110075333AMedicaidMA

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address kjeng22954@UmassMemorial.direct-ci.com
FHIR URL https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070205000034 MA Practitioner - Obstetrics/Gynecology 8820052749 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Baylor College of Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Heywood Medical Group Inc.Group PAC ID 6901882836, 111 clinicians

Practice addresses (Care Compare)

100 Medway Rd
Suite 401
Milford, MA 01757-2923
Phone (508) 634-7338

250 Green St
Gardner, MA 01440-1396
Phone (978) 630-6460

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
229981MAMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group Inc Obstetrics & Gynecology CurrentSince Oct 1, 2009 Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Oct 1, 2009 Accepting new patients
Milford Regional Physician Group, Inc. CurrentSince Jan 3, 2023 Accepting new patients
Milford Regional Physician Group, Inc. Obstetrics & Gynecology CurrentSince Jan 3, 2023 Accepting new patients
Umass Memorial Health-Milford Regional Medical Center Inc Past Accepting new patients
Tulsa Perinatal Evaluation Center Past Accepting new patients

Locations

242 Green St
Gardner, MA 01440
Phone (978) 258-4734

250 Green St
Gardner, MA 01440
Phone (978) 630-5050

100 Medway Rd
Ste 401
Milford, MA 01757
Phone (508) 634-7338

100 Medway Rd
Ste 204
Milford, MA 01757
Phone (508) 482-5444

91 Water St
Milford, MA 01757
Phone (508) 458-4250

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Interoperability endpoints

  • Direct secure messaging: kjeng22954@umassmemorial.direct-ci.com

Organizations & group practices 9

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 3

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": "1134086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1942285184",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "91 WATER ST",
            "city": "MILFORD",
            "state": "MA",
            "postal_code": "017573005",
            "telephone_number": "508-458-4200",
            "fax_number": "508-458-4251"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JENG",
        "first_name": "KAREN",
        "middle_name": "K.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-09",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "229981",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110075333A",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kjeng22954@UmassMemorial.direct-ci.com",
            "affiliation": "N",
            "address_1": "91 Water St",
            "city": "Milford",
            "state": "MA",
            "country_code": "US",
            "postal_code": "017573005",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "91 Water St",
            "city": "Milford",
            "state": "MA",
            "country_code": "US",
            "postal_code": "017573005",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milford, MA

Sources for this page

Verify at the official NPI Registry.