Doctor profile · Federal record

Dr. Salam Ishak, M.D

Nephrology Physician (CMS: Internal Medicine) · Riverside, CA

  • NPI 1427152842
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3660 Park Sierra Dr, Suite 208
Riverside, CA 925053081
(951) 687-2800
fax (951) 687-7290
Mailing address
3660 Park Sierra Dr Ste 203
Riverside, CA 925053071

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 29, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #C51301
Medicaid
CA #00C513010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427152842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
978
Distinct HCPCS
10
Medicare allowed
$161,554
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 215 40 $354
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 209 96 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 182 81 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 119 72 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 70 63 $176
99214 Established patient office or other outpatient visit, 30-39 minutes 63 42 $111
90935 Hemodialysis procedure with physician evaluation 59 40 $73
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 32 18 $290
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $114
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $172

In context: peer comparison

Among 3 peers in Riverside Nephrology Physician, average services per provider: 107. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,416
Transactions
43
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 8 $214.34
Calliditas Therapeutics US INC. 3 $166.54
Ardelyx, INC. 4 $166.17
Aurinia Pharma U.S., INC. 4 $161.77
Nxstage Medical, INC. 1 $100.32
Novartis Pharmaceuticals Corporation 3 $80.17
Travere Therapeutics, INC. 4 $80.01
Bayer Healthcare Pharmaceuticals INC. 4 $70.44
Akebia Therapeutics INC 3 $64.14
Amgen INC. 2 $54.67
Boehringer Ingelheim Pharmaceuticals, INC. 2 $45.35
Mallinckrodt Hospital Products INC. 1 $37.15
Opko Pharmaceuticals, LLC 2 $35.20
Alexion Pharmaceuticals, INC. 1 $34.50
CorMedix INC. 1 $28.60

By nature of payment

Food and Beverage
$1,392
Education
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
687
Patients
169
Total drug cost
$148,833
Drug Type Claims Patients Total cost
Carvedilol Generic 125 39 $1,549
Amlodipine Besylate Generic 84 31 $577
Calcitriol Generic 71 24 $2,276
Furosemide Generic 64 29 $544
Farxiga (Dapagliflozin Propanediol) Brand 60 14 $54,060
Losartan Potassium Generic 56 21 $1,210
Lisinopril Generic 37 11 $398
Nifedipine ER (Nifedipine) Brand 35 0 $1,870
Prednisone Generic 30 0 $459
Prosol (Parenteral Amino Acid 20% No.1) Brand 27 0 $1,426

Frequently asked questions

Auto-generated from federal data
What is Dr. Salam Ishak's medical specialty?
Dr. Salam Ishak practices Nephrology Physician in Riverside, CA.
Where does Dr. Salam Ishak practice?
Dr. Salam Ishak practices at 3660 Park Sierra Dr, Riverside, CA 925053081. Office phone: 9516872800.
What is Dr. Salam Ishak's NPI?
Dr. Salam Ishak's National Provider Identifier (NPI) is 1427152842, issued by NPPES.
Does Dr. Salam Ishak accept Medicare assignment?
Yes. Dr. Salam Ishak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Salam Ishak 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.