Sahir Kalim
Nephrology Physician · Boston, MA
Sahir Kalim is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1194984054, issued on Jun 5, 2008. Check the license (Massachusetts 251331, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sahir Kalim
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 251331 MA
Self-reported in NPPES; status is on the state search - Practice location
- 165 Cambridge St, Boston, MA 02114
- Phone
- (802) 338-7163
- Enumerated
- Jun 5, 2008
- Record last updated
- Mar 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130724000524); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at 165 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anne Barbara, R.D., LDNRegistered Dietitian1659562494
- Mary Bates, RNAmbulatory Care Registered Nurse1003207549
- Thomas Brady, MDNuclear Medicine Physician1003898743
- Richard BrandoliniFamily Nurse Practitioner1104241884
Verify Sahir Kalim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 251331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average nephrology physician in 2024
321 Medicare Part D claims for 56 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Furosemide33 claims
- Lokelma32 claims
- Losartan Potassium28 claims
- Amlodipine Besylate26 claims
- Carvedilol25 claims
- Sevelamer Carbonate22 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: $2,500.00
1 payment: consulting fee; the largest payer was Otsuka Pharmaceutical Co., Ltd. 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
- 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).
Sahir Kalim among 417 nephrology physician records in Massachusetts
Sahir Kalim is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 35% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2007 · median 2001 among the 295 with a school on file
- Record last updated2013 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Boston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Dennis Ausiello, MDBoston, MA 021141316938962
- Hasan Bazari, MDBoston, MA 021141811978091
- Ishir Bhan, MDBoston, MA 021141275519993
- Louis Ercolani, M.D.Boston, MA 021141164407516
- Leslie Fang, MDBoston, MA 021141558351734
- Garner Haupert, MDBoston, MA 021141073503348
- Herbert Lin, MD PHDBoston, MA 021141245211960
- Sagar Nigwekar, MDBoston, MA 021141710939848
Common questions
What is Sahir Kalim's NPI number?
Sahir Kalim's National Provider Identifier (NPI) is 1194984054, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sahir Kalim located?
The NPPES record lists a practice address at 165 Cambridge St, Boston, MA, 02114. Phone: (802) 338-7163. Providers update this record themselves, so call before visiting.
How can I verify Sahir Kalim's license?
NPPES lists Massachusetts license number 251331, 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 Sahir Kalim prescribe under Medicare Part D?
In 2024, Sahir Kalim had 321 Medicare Part D claims for 56 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.