Doctor profile · Federal record

Dr. Ramin Sam, M.D.

Nephrology Physician (CMS: Nephrology) · Chicago, IL

  • NPI 1790794873
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 W Harrison St
Chicago, IL 606123714
(312) 864-6000
fax (312) 864-9569
Mailing address
752 Stonewall CT
Schaumburg, IL 601731900

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036-098359

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790794873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
826
Distinct HCPCS
7
Medicare allowed
$189,907
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 279 39 $406
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 269 87 $90
90935 Hemodialysis procedure with physician evaluation 94 39 $81
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 86 32 $339
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 35 31 $197
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 18 $135
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 28 $147

In context: peer comparison

Among 62 peers in Chicago Nephrology Physician, average services per provider: 104. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,571
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Calliditas Therapeutics US INC. 1 $3,000.00
AstraZeneca Pharmaceuticals Lp 8 $1,369.26
Amgen INC. 1 $111.15
Vertex Pharmaceuticals Incorporated 1 $90.23

By nature of payment

Consulting Fee
$3,000
Travel and Lodging
$1,210
Food and Beverage
$360

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
757
Patients
200
Total drug cost
$328,119
Drug Type Claims Patients Total cost
Furosemide Generic 133 47 $2,411
Amlodipine Besylate Generic 76 28 $1,681
Jardiance (Empagliflozin) Brand 74 14 $66,036
Allopurinol Generic 72 22 $1,444
Metoprolol Succinate Generic 54 17 $1,345
Calcitriol Generic 53 16 $1,664
Losartan Potassium Generic 40 18 $1,251
Renvela (Sevelamer Carbonate) Brand 40 11 $128,001
Carvedilol Generic 33 12 $738
Cinacalcet Hcl Generic 33 0 $28,375

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramin Sam's medical specialty?
Dr. Ramin Sam practices Nephrology Physician in Chicago, IL.
Where does Dr. Ramin Sam practice?
Dr. Ramin Sam practices at 1901 W Harrison St, Chicago, IL 606123714. Office phone: 3128646000.
What is Dr. Ramin Sam's NPI?
Dr. Ramin Sam's National Provider Identifier (NPI) is 1790794873, issued by NPPES.
Does Dr. Ramin Sam accept Medicare assignment?
Yes. Dr. Ramin Sam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramin Sam commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.