Sebastian G Sepulveda, MD - Medicare Nephrology in Chelmsford, MA

Sebastian G Sepulveda, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Chelmsford, Massachusetts. He graduated from medical school in 1988 and has 36 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Lowell General Inpatient Specialists Pllc and his current practice location is 9 North Rd, Suite 101, Chelmsford, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (978) 458-2005.

Sebastian G Sepulveda is licensed to practice in Massachusetts (license number 204365) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1558343129.

Contact Information

Sebastian G Sepulveda, MD
9 North Rd, Suite 101,
Chelmsford, MA 01824-2755
(978) 458-2005
(978) 452-5975

Map and Direction




Physician's Profile

Full NameSebastian G Sepulveda
GenderMale
SpecialityNephrology
Experience36 Years
Location9 North Rd, Chelmsford, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sebastian G Sepulveda graduated from medical school in 1988
  NPI Data:
  • NPI Number: 1558343129
  • Provider Enumeration Date: 11/18/2005
  • Last Update Date: 02/09/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0042253841
  • Enrollment ID: I20050602000805

Medical Identifiers

Medical identifiers for Sebastian G Sepulveda such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558343129NPI-NPPES
0168211MedicaidMA
1079119OtherAETNA PCP
9751581MedicaidMA
J22863OtherBC
69813OtherHARVARD PILGRIM
409950OtherTUFTS
5895545OtherAETNA SPECIALIST
0022852OtherNEIGHBORHOOD HEALTH
3100208OtherUNITED HEALTH CARE
PTAN DD7599OtherMAMEDICARE RAILROAD
51894OtherFALLON

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 204365 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Fresenius Medical Care Of LowellLowell, MADialysis facility
Lowell General HospitalLowell, MAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Sebastian G Sepulveda allows following entities to bill medicare on his behalf.
Entity NameSepulveda & Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891992194
PECOS PAC ID: 9133164304
Enrollment ID: O20050628000515
Entity NameLowell General Inpatient Specialists Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649626391
PECOS PAC ID: 8729371380
Enrollment ID: O20160720001673

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Sebastian G Sepulveda is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sebastian G Sepulveda, MD
9 North Rd, Suite 101,
Chelmsford, MA 01824-2755

Ph: (978) 458-2005
Sebastian G Sepulveda, MD
9 North Rd, Suite 101,
Chelmsford, MA 01824-2755

Ph: (978) 458-2005

Reviews and Comments


Internal Medicine Doctors in Chelmsford, MA

Steven A Morgenstern, M.D.
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 228 Billerica Rd, Internal Medicine, Chelmsford, MA 01824
Phone: 978-250-6100    Fax: 978-250-6471
Kenneth Francis Murphy, MD
Nephrology
Medicare: Not Enrolled in Medicare
Practice Location: 27 Village Square, Chelmsford, MA 01824
Phone: 978-256-6607    Fax: 978-250-8189
Dr. Geetanjali A Akerkar, M.D.
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 4 Meeting House Rd, Suite 6-8, Chelmsford, MA 01824
Phone: 978-454-9811    Fax: 978-937-9281
Dr. James H Reichheld, M.D.
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 4 Meeting House Rd, Suite 6-8, Chelmsford, MA 01824
Phone: 978-454-9811    Fax: 978-937-9281
Mohamed Fazal Ally, M.D.
Nephrology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Meeting House Rd, Unit 5, Chelmsford, MA 01824
Phone: 978-256-0173    
Ms. Norma T Kolifrath, N.P.
Nephrology
Medicare: Not Enrolled in Medicare
Practice Location: 4 Meeting House Rd, Suite 6-8, Chelmsford, MA 01824
Phone: 978-454-9811    Fax: 978-937-9281
Raj Rani Gupta, M.D.
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 228 Billerica Rd, Internal Medicine, Chelmsford, MA 01824
Phone: 978-250-6100    Fax: 978-250-6002

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.