Active NPI
Marlborough Urgent Care PLLC
Doing business as Zenith Primary & Urgent Care
- Urgent Care Clinic/Center
- Marlborough, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urgent Care Clinic/Center
- 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, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Badal Kalamkar, MD, MPH
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 22D2304164 | Marlborough Urgent Care PLLC | Certificate of waiver | May 7, 2028 |
National Provider Directory
National Provider DirectoryLocations
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.
-
- Internal Medicine Physician
- Marlborough, MA
- NPI 1114214756
-
- Physician Assistant
- Burlington, MA
- NPI 1851167639
-
- Physician Assistant
- Burlington, MA
- NPI 1730993692
-
- Family Nurse Practitioner
- Northborough, MA
- NPI 1760994834
-
- Nurse Practitioner
- Worcester, MA
- NPI 1780481630
-
- Physician Assistant
- Marietta, GA
- NPI 1356824478
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
- Marlborough Oral & Maxillofacial Surgery, PC
- Marlborough Primary Care PLLC (Zenith Primary & Urgent Care)
- Marlborough Public Schools
- Marlborough Radiology Associates, Inc.
- Marlborough SNF Operations, LLC (Marlborough Hills Rehabilitation & Health Care Center)
- Marlborough Wellness Center
- Roseann Marley
- Amy Alexandra Marquez
- Yahaira Marie Marrero
- Alisiana Marshall
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.