Doctor profile · Federal record

Dr. Sahir Kalim

Nephrology Physician (CMS: Nephrology) · Boston, MA

  • NPI 1194984054
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
165 Cambridge St, Suite 302
Boston, MA 021142783
(802) 338-7163

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
March 15, 2013
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #251331

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194984054. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
669
Distinct HCPCS
10
Medicare allowed
$94,316
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 206 81 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 131 91 $140
90935 Hemodialysis procedure with physician evaluation 111 46 $76
90945 Dialysis procedure including 1 evaluation 69 18 $92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 45 $184
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 44 13 $314
99215 Established patient office or other outpatient visit, 40-54 minutes 21 15 $196
90962 Dialysis services, 1 physician visit per month (20 years or older) 16 12 $218
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $240
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $182

In context: peer comparison

Among 73 peers in this city , average services per provider: 137. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,500
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Otsuka Pharmaceutical Co., Ltd. 1 $2,500.00

By nature of payment

Consulting Fee
$2,500

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
0
Total drug cost
$33,766
Drug Type Claims Patients Total cost
Losartan Potassium Generic 36 0 $273
Furosemide Generic 28 0 $321
Amlodipine Besylate Generic 19 0 $200
Sevelamer Carbonate Generic 19 0 $5,533
Amiloride Hcl Generic 16 0 $932
Torsemide Generic 16 0 $1,305
Doxazosin Mesylate Generic 14 0 $604
Veltassa (Patiromer Calcium Sorbitex) Brand 13 0 $24,599

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sahir Kalim's medical specialty?
Dr. Sahir Kalim practices Nephrology Physician in Boston, MA.
Where does Dr. Sahir Kalim practice?
Dr. Sahir Kalim practices at 165 Cambridge St, Boston, MA 021142783. Office phone: 8023387163.
What is Dr. Sahir Kalim's NPI?
Dr. Sahir Kalim's National Provider Identifier (NPI) is 1194984054, issued by NPPES.
Does Dr. Sahir Kalim accept Medicare assignment?
Yes. Dr. Sahir Kalim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sahir Kalim commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.