Individual provider Active NPI

Sebastian G Sepulveda, MD

  • Nephrology Physician
  • Chelmsford, MA
National Provider Identifier
1558343129
Registry record updated Feb 9, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
204365 Issued in MA
Practice address
9 North Rd
Suite 101
Chelmsford, MA 01824-2755
Phone
(978) 458-2005
Fax
(978) 452-5975
NPI assigned
Nov 18, 2005
Last updated
Feb 9, 2017By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 9, 2017

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 204365 MA Primary

Addresses

Primary practice location

9 North Rd
Suite 101
Chelmsford, MA 01824-2755

Mailing address

9 North Rd
Suite 101
Chelmsford, MA 01824-2755
Phone (978) 458-2005

Other identifiers 11

IdentifierTypeStateIssuer
1079119OtherAETNA PCP
3100208OtherUNITED HEALTH CARE
PTAN DD7599OtherMAMEDICARE RAILROAD
409950OtherTUFTS
69813OtherHARVARD PILGRIM
5895545OtherAETNA SPECIALIST
9751581MedicaidMA
0022852OtherNEIGHBORHOOD HEALTH
51894OtherFALLON
J22863OtherBC
0168211MedicaidMA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050602000805 MA Practitioner - Internal MedicinePractitioner - Nephrology 0042253841 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Nephrology
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lowell General Inpatient Specialists PLLCGroup PAC ID 8729371380, 70 clinicians
Commonwealth Medical Practice LLCGroup PAC ID 5092134742, 2 clinicians

Practice addresses (Care Compare)

295 Varnum Ave
Lowell, MA 01854-2134
Phone (978) 937-6439

9 N Rd
Unit 101
Chelmsford, MA 01824-2755
Phone (978) 458-2005

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Commonwealth Medical Practice LLC CurrentSince Jun 1, 2025 Accepting new patients
Todays Wellness PLLC CurrentSince Jun 1, 2025 Accepting new patients
Lowell General Inpatient Specialists PLLC CurrentSince Jan 1, 2023 Accepting new patients
Todays Wellness PLLC CurrentSince Jun 1, 2025 Accepting new patients
Sepulveda & Associates, PC Nephrology CurrentSince Jan 1, 2002 Accepting new patients
The Lowell General Hospital Past Accepting new patients
Nephrology Asssociates of the Merrimack Valley PC Nephrology PastSince Jul 1, 2001 Accepting new patients

Locations

9 North Rd
Unit 101
Chelmsford, MA 01824
Phone (978) 458-2005

505 Nashua Rd
Ste 8
Dracut, MA 01826
Phone (978) 957-4474

295 Varnum Ave
Lowell, MA 01854
Phone (978) 788-7344

33 Bartlett St
Ste 501
Lowell, MA 01852
Phone (978) 425-1496

790 Turnpike St
Ste 300
North Andover, MA 01845
Phone (978) 327-5960

1 Harbison Way
Ste 222
Columbia, SC 29212

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/3764/brand/3/csg/41/fhir/r4
  • FHIR API: https://fhir-myrecord.cerner.com/r4/3a5f2b67-21a2-4bcc-959e-bdff6da685ae/
  • FHIR API: https://fhir-myrecord.cerner.com/r4/d04f75c7-2a62-4686-b520-7bf0635f38f0/
  • Direct secure messaging: sebastian.sepulveda.1@3764.direct.athenahealth.com

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1132272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1486598400000",
    "number": "1558343129",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 NORTH RD",
            "address_2": "SUITE 101",
            "city": "CHELMSFORD",
            "state": "MA",
            "postal_code": "018242755",
            "telephone_number": "978-458-2005",
            "fax_number": "978-452-5975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9 NORTH RD",
            "address_2": "SUITE 101",
            "city": "CHELMSFORD",
            "state": "MA",
            "postal_code": "018242755",
            "telephone_number": "978-458-2005",
            "fax_number": "978-452-5975"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEPULVEDA",
        "first_name": "SEBASTIAN",
        "middle_name": "G",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-11-18",
        "last_updated": "2017-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MA",
            "license": "204365",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA PCP",
            "identifier": "1079119",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTH CARE",
            "identifier": "3100208",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "PTAN DD7599",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS",
            "identifier": "409950",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "69813",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA SPECIALIST",
            "identifier": "5895545",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9751581",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NEIGHBORHOOD HEALTH",
            "identifier": "0022852",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FALLON",
            "identifier": "51894",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC",
            "identifier": "J22863",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0168211",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chelmsford, MA

Sources for this page

Verify at the official NPI Registry.