Doctor profile · Federal record

Dr. Joseph Warren, M.D.

Nephrology Physician (CMS: Nephrology) · Orlando, FL

  • NPI 1952394058
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2501 N Orange Ave, Suite 537N
Orlando, FL 328044603
(407) 894-4693
fax (407) 896-0569
Mailing address
807 S Orlando Ave, Suite C
Winter Park, FL 327894870

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
December 22, 2009
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Florida #ME0030906
Medicaid
FL #058744300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952394058. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19,612
Distinct HCPCS
10
Medicare allowed
$277,936
HCPCS Description Services Patients Avg allowed
J1756 Injection, iron sucrose, 1 mg 13,200 15 $0
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 1,030 11 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 542 242 $105
36415 Insertion of needle into vein for collection of blood sample 322 148 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 295 139 $8
80053 Blood test, comprehensive group of blood chemicals 280 133 $10
81003 Automated urinalysis test 279 153 $2
82728 Ferritin (blood protein) level 259 129 $13
83540 Iron level 259 129 $6
83550 Iron binding capacity 259 129 $9

In context: peer comparison

Among 16 peers in Orlando Nephrology Physician, average services per provider: 320. This provider delivers 61× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$717
Transactions
30
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 7 $179.54
Calliditas Therapeutics US INC. 4 $82.79
Ardelyx, INC. 3 $63.44
Akebia Therapeutics INC 2 $49.22
Amgen INC. 2 $42.17
Opko Pharmaceuticals, LLC 2 $41.28
Fresenius USA Marketing, INC. 2 $41.08
GlaxoSmithKline, LLC. 1 $24.70
Renalytix Ai, INC. 1 $22.48
Xeris Pharmaceuticals, INC. 1 $22.33
Cycle Pharmaceuticals INC 1 $21.28
Merck Sharp & Dohme LLC 1 $20.85
Mallinckrodt Hospital Products INC. 1 $20.06
Leadiant Biosciences, INC. 1 $19.98
Aurinia Pharma U.S., INC. 1 $19.19

By nature of payment

Food and Beverage
$627
Education
$91

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,730
Patients
498
Total drug cost
$46,068
Drug Type Claims Patients Total cost
Furosemide Generic 202 60 $1,466
Amlodipine Besylate Generic 180 57 $1,645
Atorvastatin Calcium Generic 159 47 $1,699
Clonidine Hcl Generic 144 41 $1,149
Alprazolam Generic 128 26 $798
Lisinopril Generic 128 38 $775
Prednisone Generic 123 25 $751
Carvedilol Generic 102 29 $991
Losartan Potassium Generic 98 35 $1,348
Omeprazole Generic 86 30 $1,441

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Warren's medical specialty?
Dr. Joseph Warren practices Nephrology Physician in Orlando, FL.
Where does Dr. Joseph Warren practice?
Dr. Joseph Warren practices at 2501 N Orange Ave, Orlando, FL 328044603. Office phone: 4078944693.
What is Dr. Joseph Warren's NPI?
Dr. Joseph Warren's National Provider Identifier (NPI) is 1952394058, issued by NPPES.
Does Dr. Joseph Warren accept Medicare assignment?
Yes. Dr. Joseph Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Warren commonly perform?
Top Medicare-reported procedures in 2023: Injection, iron sucrose, 1 mg (HCPCS J1756); Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.