Doctor profile · Federal record

Dr. Mordecai Stolk, MD

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · East Providence, RI

  • NPI 1124225594
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
318 Waterman Ave
East Providence, RI 029143525
(401) 438-5950
fax (401) 435-6700

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
October 29, 2009
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Rhode Island #MD13046 · Massachusetts #241535
Medicaid
RI #1124225594

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124225594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,335
Distinct HCPCS
9
Medicare allowed
$245,313
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 391 54 $355
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 372 135 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 229 153 $101
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 96 81 $130
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 78 75 $173
90935 Hemodialysis procedure with physician evaluation 59 40 $71
99204 New patient office or other outpatient visit, 45-59 minutes 59 59 $169
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 35 16 $296
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $211

In context: peer comparison

Among 5 peers in East Providence Nephrology Physician, average services per provider: 139. This provider delivers 9.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
812
Patients
145
Total drug cost
$145,859
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 85 25 $848
Clinolipid (Fat Emulsion/Olive/Soy/Phospho) Brand 78 0 $26,281
Losartan Potassium Generic 77 23 $1,523
Furosemide Generic 73 20 $657
Sevelamer Carbonate Generic 73 24 $10,740
Lisinopril Generic 57 18 $933
Bumetanide Generic 55 11 $4,125
Clinisol (Parenteral Amino Acid 15% No.5) Brand 55 0 $8,334
Jardiance (Empagliflozin) Brand 51 0 $45,643
Carvedilol Generic 38 12 $426

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mordecai Stolk's medical specialty?
Dr. Mordecai Stolk practices Nephrology Physician in East Providence, RI.
Where does Dr. Mordecai Stolk practice?
Dr. Mordecai Stolk practices at 318 Waterman Ave, East Providence, RI 029143525. Office phone: 4014385950.
What is Dr. Mordecai Stolk's NPI?
Dr. Mordecai Stolk's National Provider Identifier (NPI) is 1124225594, issued by NPPES.
Does Dr. Mordecai Stolk accept Medicare assignment?
Yes. Dr. Mordecai Stolk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mordecai Stolk 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); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.