Individual provider Active NPI

Rebecca Knapp, M.D.

  • Psychiatry Physician
  • Worcester, MA
National Provider Identifier
1609854983
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
73340 Issued in MA
Practice address
55 Lake Ave N
Department of Psychiatry
Worcester, MA 01655-0002
Phone
(508) 856-2537
NPI assigned
Jan 6, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 73340 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Department of Psychiatry
Worcester, MA 01655-0002

Mailing address

PO Box 62
Turnpike Station
Shrewsbury, MA 01545-0062
Phone (508) 334-8815

Other identifiers 1

IdentifierTypeStateIssuer
3170306MedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Opted out of Medicare
Yes, effective May 16, 2024 through May 16, 2028

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
73340MAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group Inc Psychiatry Past Accepting new patients
Edward M. Kennedy Community Health Center, Inc Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: rebecca.knapp.1@18773.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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1136505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1609854983",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 62",
            "address_2": "TURNPIKE STATION",
            "city": "SHREWSBURY",
            "state": "MA",
            "postal_code": "015450062",
            "telephone_number": "508-334-8815",
            "fax_number": "508-334-5374"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "address_2": "DEPARTMENT OF PSYCHIATRY",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-856-2537"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNAPP",
        "first_name": "REBECCA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "73340",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3170306",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.