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

Individual provider Internal Medicine Physician · NPI 1710939848

Dr. Sagar Uday Nigwekar, MD is a Nephrology in Boston, Massachusetts. Qualified in 1999, 27 years ago. Practices with Massachusetts Acute Care Specialists PC, a 46-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and New York.

Years since qualifying
27
Licensed in
MA, NY
In the registry since
2006
Specialties on file
3
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

165 Cambridge St Ste 302
Boston, MA 02114-2783
Phone: (585) 729-8636
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 252311 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 002578 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 252311 (MA)

Record details

NPI number1710939848
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESJune 12, 2013

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Massachusetts Acute Care Specialists Pc — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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