Sagar Uday Nigwekar, MD
Nephrology Physician · Boston, MA
Sagar Uday Nigwekar, MD is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1710939848, issued on May 17, 2006. Check the license (Massachusetts 252311, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sagar Uday Nigwekar
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 252311 MA
002578 NY
Self-reported in NPPES; status is on the state search - Practice location
- 165 Cambridge St, Boston, MA 02114
- Phone
- (585) 729-8636
- Enumerated
- May 17, 2006
- Record last updated
- Jun 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 02752789 NY
- Medicare enrollment
- Enrolled (PECOS I20121026000393); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 165 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- May Al-Khudhairy, B.D.SDentist1417104126
- Samantha BalesInternal Medicine Physician1609463652
- Anne Barbara, R.D., LDNRegistered Dietitian1659562494
- Mary Bates, RNAmbulatory Care Registered Nurse1003207549
- Thomas Brady, MDNuclear Medicine Physician1003898743
- Richard BrandoliniFamily Nurse Practitioner1104241884
Verify Sagar Uday Nigwekar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 252311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average nephrology physician in 2024
367 Medicare Part D claims for 73 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Calcitriol49 claims
- Furosemide21 claims
- Farxiga19 claims
- Sevelamer Carbonate17 claims
- Pantoprazole Sodium15 claims
- Velphoro14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,476.20
5 payments; by number, the most common kind was consulting fee; the largest payer was Alexion Pharmaceuticals, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Massachusetts Acute Care Specialists PCMedford, MA
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
Other nephrology physician records in Massachusetts
- Amtul Aala, MDBoston, MA1174946347
- Reza Abdi, MDBoston, MA1356359368
- Marat Abdullin, M.D.Springfield, MA1619159712
- Vivian AbernethyBoston, MA1710960232
- Rekha Abichandani, M.D.Cambridge, MA1912033598
- Konstantin Abramov, M.D.Worcester, MA1992854707
- Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
- Nikhil AgrawalBoston, MA1467722579
- Ayman Al Jurdi, M.D.Boston, MA1043690332
- Laith Al Rabadi, M.D.Boston, MA1821309188
Common questions
What is Sagar Uday Nigwekar, MD's NPI number?
Sagar Uday Nigwekar, MD's National Provider Identifier (NPI) is 1710939848, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sagar Uday Nigwekar, MD located?
The NPPES record lists a practice address at 165 Cambridge St, Boston, MA, 02114. Phone: (585) 729-8636. Providers update this record themselves, so call before visiting.
How can I verify Sagar Uday Nigwekar, MD's license?
NPPES lists Massachusetts license number 252311, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sagar Uday Nigwekar, MD prescribe under Medicare Part D?
In 2024, Sagar Uday Nigwekar, MD had 367 Medicare Part D claims for 73 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.