NPIMap

Organization Active NPI

Commonwealth Clinical Alliance, Inc

  • Case Manager/Care Coordinator
  • Boston, MA
National Provider Identifier
1679605091
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Case Manager/Care CoordinatorTaxonomy code 171M00000X
Legal business name
COMMONWEALTH CLINICAL ALLIANCE, INC
Practice address
30 Northampton St
Boston, MA 02118-4098
Phone
(617) 433-9601
NPI assigned
Mar 12, 2007
Last updated
Feb 20, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

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

Authorized official

Name
Biljana Simikic, DONPI 1669681995
Title
Senior Medical Director
Phone
(413) 858-7400

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Case Manager/Care Coordinator 171M00000X Primary

Addresses

Primary practice location

30 Northampton St
Boston, MA 02118-4098

Mailing address

30 Winter St
7TH Floor
Boston, MA 02108-4720
Phone (617) 426-0600

Other practice location 1

3550 Main St Ste 101
Springfield, MA 01107-1078
Phone (413) 858-7400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20250721000077 MA Part B Supplier - Clinic/Group Practice 3870009533 Receives reassigned benefits from 52 practitioners
Practice locations: Boston, MA; Springfield, MA

National Provider Directory

National Provider Directory

Locations

380 Plainfield St
Springfield, MA 01107
Phone (413) 794-4458

Practitioners & affiliated clinicians

Practitioners 53

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 53

NPI Registry JSON

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

{
    "created_epoch": "1173657600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771545600000",
    "number": "1679605091",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 WINTER ST",
            "address_2": "7TH FLOOR",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021084720",
            "telephone_number": "617-426-0600",
            "fax_number": "617-426-1311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30 NORTHAMPTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021184098",
            "telephone_number": "617-433-9601"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3550 Main St Ste 101",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MA",
            "postal_code": "011071078",
            "country_code": "US",
            "telephone_number": "413-858-7400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "COMMONWEALTH CLINICAL ALLIANCE, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-12",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A",
        "authorized_official_last_name": "SIMIKIC",
        "authorized_official_first_name": "BILJANA",
        "authorized_official_title_or_position": "SENIOR MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "413-858-7400",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.