KIDNEY & HYPERTENSION CLINIC, INC
NPI 1366625006
Internal Medicine - Nephrology in Marlborough, MA
About Kidney & Hypertension Clinic, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIDNEY & HYPERTENSION CLINIC, INC (NPI 1366625006) is a healthcare organization registered as a nephrology in Marlborough, Massachusetts and active in the NPI registry since December 2007. The organization holds a CLIA Waiver certificate valid through December 2, 2026 and lists Humaira A Mahmud, Medical Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kidney & Hypertension Clinic, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Kidney & Hypertension Clinic, Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Marlborough, MA 01752
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 22D2314948
Kidney & Hypertension Clinic, Inc · Marlborough, MAFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kidney & Hypertension Clinic, Inc's NPI number?
The NPI number for Kidney & Hypertension Clinic, Inc is 1366625006. It was assigned to this organization in the NPPES registry on December 17, 2007.
Where is Kidney & Hypertension Clinic, Inc located?
Kidney & Hypertension Clinic, Inc is located at Kidney & Hypertension Clinic, Inc. 640 Bolton St, Marlborough, MA 01752. The listed phone number is (508) 281-5953.
What is Kidney & Hypertension Clinic, Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Kidney & Hypertension Clinic, Inc enrolled in Medicare?
Yes. Kidney & Hypertension Clinic, Inc is registered in the Medicare PECOS enrollment system.
When is Kidney & Hypertension Clinic, Inc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Kidney & Hypertension Clinic, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Kidney & Hypertension Clinic, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Kidney & Hypertension Clinic, Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 22D2314948) is associated with this NPI, valid through December 2, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Kidney & Hypertension Clinic, Inc accept?
Health plans from Anthem Blue Cross and Blue Shield list Kidney & Hypertension Clinic, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kidney & Hypertension Clinic, Inc was last updated on September 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kidney & Hypertension Clinic, Inc · NPI 1366625006
Nephrology organization in Marlborough, Massachusetts. Organization record, active in the CMS NPPES registry since December 17, 2007.
## Identity
- **NPI:** 1366625006 (Entity type: Organization)
- **Enumerated:** December 17, 2007
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Humaira Mahmud, MEDICAL DIRECTOR
## Practice location
- **Address:** KIDNEY & HYPERTENSION CLINIC, INC., 640 BOLTON ST, Marlborough, MA 01752-3999
- **Phone:** (508) 281-5953 · **Fax:** (508) 299-2343
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Massachusetts, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Nephrology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 22, 2010
- **Other identifiers:** Other A33542 (MA); Medicare PIN M21509 (MA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1366625006) · Data from the CMS NPPES public registry.