Doctor profile · Federal record

Dr. Sherif Isshak Ibrahim, MD

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Nephrology Physician · Winter Haven, FL

  • NPI 1699897579
  • Accepts Medicare
  • 32 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 1St St N
Winter Haven, FL 338814111
(863) 293-1191
fax (863) 837-5379

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
August 15, 2025
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (3)
Florida #ME134640 · California #A102341 · Arizona #50724

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699897579. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,289
Distinct HCPCS
10
Medicare allowed
$215,989
HCPCS Description Services Patients Avg allowed
90970 Dialysis services, per day, less than full month service (20 years or older) 739 18 $9
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 473 141 $79
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 400 112 $50
99214 Established patient office or other outpatient visit, 30-39 minutes 336 148 $124
36415 Insertion of needle into vein for collection of blood sample 223 104 $8
84550 Uric acid level, blood 218 101 $4
80053 Blood test, comprehensive group of blood chemicals 217 101 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 207 99 $8
90935 Hemodialysis procedure with physician evaluation 176 66 $71
82570 Creatinine level to test for kidney function or muscle injury 173 90 $5

In context: peer comparison

Among 2 peers in this city , average services per provider: 201. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$267
Transactions
11
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $54.98
ANI Pharmaceuticals, Inc. 2 $47.21
Ardelyx, Inc. 2 $46.49
GlaxoSmithKline, LLC. 1 $27.12
Fresenius USA Marketing, Inc. 1 $25.80
OPKO Pharmaceuticals, LLC 1 $25.43
Bayer Healthcare Pharmaceuticals Inc. 1 $24.37
AstraZeneca Pharmaceuticals LP 1 $15.87

By nature of payment

Food and Beverage
$242
Education
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,230
Patients
512
Total drug cost
$43,643
Drug Type Claims Patients Total cost
Chlorthalidone Generic 157 69 $1,991
Carvedilol Generic 151 65 $1,549
Olmesartan Medoxomil Generic 149 60 $2,495
Hydralazine Hcl Generic 144 57 $3,532
Amlodipine Besylate Generic 107 49 $1,010
Furosemide Generic 95 44 $439
Sevelamer Carbonate Generic 86 27 $27,520
Tamsulosin Hcl Generic 71 33 $1,252
Bumetanide Generic 51 22 $1,733
Indapamide Generic 45 16 $391

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sherif Isshak Ibrahim's medical specialty?
Dr. Sherif Isshak Ibrahim practices Nephrology Physician in Winter Haven, FL.
Where does Dr. Sherif Isshak Ibrahim practice?
Dr. Sherif Isshak Ibrahim practices at 325 1St St N, Winter Haven, FL 338814111. Office phone: 8632931191.
What is Dr. Sherif Isshak Ibrahim's NPI?
Dr. Sherif Isshak Ibrahim's National Provider Identifier (NPI) is 1699897579, issued by NPPES.
Does Dr. Sherif Isshak Ibrahim accept Medicare assignment?
Yes. Dr. Sherif Isshak Ibrahim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sherif Isshak Ibrahim commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services (HCPCS 90970); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.