Kidney Disease Specialists - Kidney Disease Treatments ...
Nephrology • Chelmsford, MA • Multiple locations in Merrimack Valley: Lowell, Chelmsford, Methuen locations
Clinic Type
Nephrology
Address
Lowell, Chelmsford, Methuen (Merrimack Valley)
Phone
978-453-1811
mailto:nephrology@... (not provided in extracted extras; use null)
Opening Hours
Not published — contact the clinic to confirm hours.
Telehealth
Click here to visit our Patient Portal (portal presumably telehealth-enabled)
Services Offered
Team
Insurance & Payment
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Languages Spoken
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FAQs
What type of kidney disease do you treat?
We care for all types of acute and chronic kidney disease, hypertension, kidney stone prevention, pre-dialysis, and post-transplant.
Where do you see patients?
We see patients receiving chronic in-center and home dialysis in Lowell, Chelmsford, and Methuen.
What hospitals are you affiliated with?
On staff at the Lowell General Hospital Main and Saints campuses.
Who are the physicians?
Douglas E. Mesler, MD, MPH; Joseph P. Rossacci, MD; Ashish Mahajan, MD, MPH, MS.
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye (Fresenius Kidney Care Chelmsford, MA): 3/5 stars (2 reviews)
- Zocdoc (Dr. Sebastian Sepulveda, MA): 5/5 stars (Not explicitly stated total)
Patients praise
- High ratings for bedside manner in individual practitioner care
- Personalized treatment approaches reported by private clinics
- Positive experiences regarding staff helpfulness and care dedication
Common complaints
- Perceived as a "dollar sign" by some patients at facility-level care
- Frustration regarding inconsistent diagnoses from different specialists
- Delays in accessing care due to overloaded departments
"We are nothing but a Dollar sign for this medical facility"
— Birdeye patient review"I love this place, they have been so wonderful to my mother she is in renal failure, and goes to get dialysis 3x a week, the entire place is incredible! Highly recommend."
— Birdeye patient review"Excellent primary care doctor. Never makes me feel rushed. Addresses all my concerns and questions. Top quality care provider."
— WebMD patient review (Dr. Sebastian Sepulveda)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Nephrology in Chelmsford | Springfield Hospital - Ramsay Health Care — Jul 14, 2025
- Renal Medicine - Essex | Prices and Treatment Details — Dec 7, 2025
- Dr Christoper Lawrence - Phoenix Hospital Group — Jul 12, 2025
- How can a kidney dietitian help me? — Jun 10, 2026
- Type 2 diabetes patients set for major shake-up in care | Chelmsford Weekly News — Aug 20, 2025
Information sourced from the clinic's website as of July 11, 2026.
More nephrology clinics in Chelmsford
Sepulveda & Associates, PC is a primary care practice based in Chelmsford, Massachusetts, offering internal medicine, nephrology, and hypertension care with a focus on preventative care, patient education, and managing acute and chronic conditions. The firm operates three offices in Chelmsford and targets a patient-centered healthcare approach. Key details: headquarters in Chelmsford, MA; active status; phone numbers 978-452-5975 and 978-458-2005; small workforce (1–10 employees). Web presence shows modest traffic (about 313 monthly visits) with high engagement metrics (low bounce rate) and a split audience between India and the United States.
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