Individual provider Active NPI

Michala Peltak, PA-C

  • Physician Assistant
  • Worcester, MA
National Provider Identifier
1720735889
Registry record updated Dec 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA101379 Issued in MA
Practice address
55 Lake Ave N
Worcester, MA 01655-0002
Phone
(508) 334-3452
NPI assigned
Mar 8, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA101379 MA Primary

Addresses

Primary practice location

55 Lake Ave N
Worcester, MA 01655-0002

Mailing address

PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885

Other practice location 1

300 University Blvd
Round Rock, TX 78665-1032
Phone (508) 395-7969

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mpeltak1050696@direct.sw.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, MA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220512001281 TX Practitioner - Physician Assistant 0840677829
I20260107001708 MA Practitioner - Physician Assistant 0840677829 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Tufts University School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA101379MAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group, Inc. CurrentSince Dec 17, 2025 Accepting new patients
Umass Memorial Medical Group Inc Physician Assistant CurrentSince Dec 17, 2025 Accepting new patients

Locations

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

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.

Hospital & facility affiliations 1

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": "1646697600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1720735889",
    "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",
            "telephone_number": "800-225-8885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 LAKE AVE N",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016550002",
            "telephone_number": "508-334-3452"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 University Blvd",
            "address_purpose": "LOCATION",
            "city": "Round Rock",
            "state": "TX",
            "postal_code": "786651032",
            "country_code": "US",
            "telephone_number": "508-395-7969",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PELTAK",
        "first_name": "MICHALA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-08",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA101379",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mpeltak1050696@direct.sw.org",
            "affiliation": "N",
            "address_1": "300 University Blvd",
            "city": "Round Rock",
            "state": "TX",
            "country_code": "US",
            "postal_code": "786651032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.