Cynthia P. Sfeir, MD
Nephrology Physician · Beverly, MA
Cynthia P. Sfeir, MD is a nephrology physician with a practice address in Beverly, Massachusetts, and NPI 1396910063, issued on Apr 24, 2008. Check the license (Massachusetts 245504, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cynthia P. Sfeir
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 245504 MA
225497 MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Tozer RD, Beverly, MA 01915
- Phone
- (978) 712-1100
- Enumerated
- Apr 24, 2008
- Record last updated
- Mar 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (978) 712-1120
- Medicare enrollment
- Enrolled (PECOS I20101129000122); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 30 Tozer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Adler, APRNLactation Consultant (Registered Nurse)1386316834
- Tamarah Brousseau, PA-CPhysician Assistant1871232850
- Ana Isabella ChilczukOccupational Therapist1689543159
- David Driscoll, DOInternal Medicine Physician1992878003
- Osin Ghimire, MSWSocial Worker1639011992
- Alyssa Handler, M.D.Internal Medicine Physician1114985744
Verify Cynthia P. Sfeir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 245504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average nephrology physician in 2024
930 Medicare Part D claims for 198 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Calcitriol137 claims
- Lisinopril92 claims
- Amlodipine Besylate80 claims
- Furosemide65 claims
- Allopurinol62 claims
- Metoprolol Succinate47 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.
The MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $26.24
1 payment: food and beverage; the largest payer was Dexcom, 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 one group practice
- Beth Israel Lahey Health Primary Care, IncSouth Hamilton, 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 Cynthia P. Sfeir, MD's NPI number?
Cynthia P. Sfeir, MD's National Provider Identifier (NPI) is 1396910063, issued on Apr 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia P. Sfeir, MD located?
The NPPES record lists a practice address at 30 Tozer RD, Beverly, MA, 01915. Phone: (978) 712-1100. Providers update this record themselves, so call before visiting.
How can I verify Cynthia P. Sfeir, MD's license?
NPPES lists Massachusetts license number 245504, 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 Cynthia P. Sfeir, MD prescribe under Medicare Part D?
In 2024, Cynthia P. Sfeir, MD had 930 Medicare Part D claims for 198 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Cynthia P. Sfeir, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.