Organization Active NPI

Marlborough Urgent Care PLLC

Doing business as Zenith Primary & Urgent Care

  • Urgent Care Clinic/Center
  • Marlborough, MA
National Provider Identifier
1629845094
Registry record updated Jun 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urgent Care Clinic/CenterTaxonomy code 261QU0200X
Legal business name
MARLBOROUGH URGENT CARE PLLC
Doing business as
Zenith Primary & Urgent Care
Practice address
757 Boston Post Rd E Ste a
Marlborough, MA 01752-3704
Phone
(423) 741-0506
NPI assigned
Dec 6, 2023
Last updated
Jun 4, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 4, 2025

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

Authorized official

Name
Dr. Badal Kalamkar, MD, MPHNPI 1114214756
Title
Practice Owner
Phone
(617) 500-7922

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
Urgent Care Clinic/Center 261QU0200X Primary

Addresses

Primary practice location

757 Boston Post Rd E Ste a
Marlborough, MA 01752-3704

Mailing address

757 Boston Post Rd E Ste a
Marlborough, MA 01752-3704
Phone (423) 741-0506

Other names 1

  • Zenith Primary & Urgent Care Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20240306000950 MA Part B Supplier - Clinic/Group Practice 1658717285 Receives reassigned benefits from 3 practitioners
Practice locations: Marlborough, MA

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
22D2304164Marlborough Urgent Care PLLC757 Boston Post Rd E, Marlborough, MA 01752Certificate of waiverMay 7, 2028

National Provider Directory

National Provider Directory

Locations

757 Boston Post Rd E
Marlborough, MA 01752
Phone (508) 630-8989

757 Boston Post Rd E
Ste A
Marlborough, MA 01752
Phone (423) 741-0506

Practitioners & affiliated clinicians

Practitioners 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1701820800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1748995200000",
    "number": "1629845094",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "757 BOSTON POST RD E STE A",
            "city": "MARLBOROUGH",
            "state": "MA",
            "postal_code": "017523704",
            "telephone_number": "423-741-0506"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "757 BOSTON POST RD E STE A",
            "city": "MARLBOROUGH",
            "state": "MA",
            "postal_code": "017523704",
            "telephone_number": "423-741-0506"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARLBOROUGH URGENT CARE PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-12-06",
        "last_updated": "2025-06-04",
        "certification_date": "2025-06-04",
        "status": "A",
        "authorized_official_last_name": "KALAMKAR",
        "authorized_official_first_name": "BADAL",
        "authorized_official_title_or_position": "PRACTICE OWNER",
        "authorized_official_telephone_number": "617-500-7922",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD, MPH"
    },
    "taxonomies": [
        {
            "code": "261QU0200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Urgent Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Zenith Primary & Urgent Care",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Marlborough, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.