Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sebastian G Sepulveda, MD

Individual provider Nephrology Physician · NPI 1558343129

Sebastian G Sepulveda, MD is an Internal Medicine in Chelmsford, Massachusetts. Qualified in 1988, 38 years ago. Practices with Lowell General Inpatient Specialists PLLC, a 71-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
38
Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9 N Rd Ste 101
Chelmsford, MA 01824-2755
Phone: (978) 458-2005
Fax: (978) 452-5975
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 204365 (MA)

Record details

NPI number1558343129
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 18, 2005
Last updated in NPPESFebruary 9, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesNEPHROLOGY
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Lowell General Inpatient Specialists Pllc — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Chelmsford