SEPULVEDA & ASSOCIATES, PC
NPI 1891992194
Internal Medicine - Nephrology in Chelmsford, MA
About Sepulveda & Associates, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEPULVEDA & ASSOCIATES, PC (NPI 1891992194) is a healthcare organization registered as a nephrology in Chelmsford, Massachusetts and active in the NPI registry since June 2007. The organization holds a CLIA Microscopy certificate valid through May 3, 2027 and lists Sebastian G Sepulveda, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sepulveda & Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Sepulveda & Associates, PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 for Provider-Performed Microscopy Procedures (PPMP) 22D1040240
Sepulveda And Associates PC · Lowell, 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 Sepulveda & Associates, PC's NPI number?
The NPI number for Sepulveda & Associates, PC is 1891992194. It was assigned to this organization in the NPPES registry on June 29, 2007.
Where is Sepulveda & Associates, PC located?
Sepulveda & Associates, PC is located at 9 North Rd Suite 101, Chelmsford, MA 01824. The listed phone number is (978) 458-2005.
What is Sepulveda & Associates, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Sepulveda & Associates, PC enrolled in Medicare?
Yes. Sepulveda & Associates, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sepulveda & Associates, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Sepulveda & Associates, PC. 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 Sepulveda & Associates, PC hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 22D1040240) is associated with this NPI, valid through May 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Sepulveda & Associates, PC accept?
Health plans from Anthem Blue Cross and Blue Shield list Sepulveda & Associates, PC 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 Sepulveda & Associates, PC was last updated on August 8, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Sepulveda & Associates, Pc · NPI 1891992194
Nephrology organization in Chelmsford, Massachusetts. Organization record, active in the CMS NPPES registry since June 29, 2007.
## Identity
- **NPI:** 1891992194 (Entity type: Organization)
- **Enumerated:** June 29, 2007
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Sebastian Sepulveda, CEO
## Practice location
- **Address:** 9 NORTH RD, SUITE 101, Chelmsford, MA 01824-2755
- **Phone:** (978) 458-2005
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 8, 2012
- **Other identifiers:** Other M18978 (MA); Medicaid 9751581 (MA); Other M21683 (MA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1891992194) · Data from the CMS NPPES public registry.