Doctor profile · Federal record

Dr. Antonio Armstrong, M.D.

Nephrology Physician (CMS: Nephrology) · Apopka, FL

  • NPI 1235472705
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1761 Ocoee Apopka RD
Apopka, FL 327039263
(407) 515-2290
fax (407) 703-4574
Mailing address
2180 W SR 434 Ste 1164
Longwood, FL 327795008

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
December 9, 2025
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Florida #ME134450

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235472705. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,392
Distinct HCPCS
9
Medicare allowed
$311,270
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,045 335 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 302 258 $172
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 288 44 $347
90935 Hemodialysis procedure with physician evaluation 279 74 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 239 144 $99
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 144 69 $117
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $164
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 27 20 $288
99213 Established patient office or other outpatient visit, 20-29 minutes 21 20 $82

In context: peer comparison

Among 1 peers in this city , average services per provider: 265. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$854
Transactions
42
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 14 $239.49
Bayer Healthcare Pharmaceuticals Inc. 4 $92.59
Otsuka America Pharmaceutical, Inc. 3 $80.41
AstraZeneca Pharmaceuticals LP 4 $76.29
OPKO Pharmaceuticals, LLC 4 $71.54
Aurinia Pharma U.S., Inc. 2 $53.78
Ardelyx, Inc. 2 $53.14
CALLIDITAS THERAPEUTICS US INC. 2 $44.31
Novartis Pharmaceuticals Corporation 1 $26.32
GlaxoSmithKline, LLC. 1 $22.53
Cycle Pharmaceuticals Inc 1 $21.28
Fresenius USA Marketing, Inc. 1 $20.42
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $18.02
Novo Nordisk Inc 1 $17.18
Travere Therapeutics, Inc. 1 $16.20

By nature of payment

Food and Beverage
$782
Education
$72

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,366
Patients
339
Total drug cost
$244,403
Drug Type Claims Patients Total cost
Allopurinol Generic 205 46 $2,118
Farxiga (Dapagliflozin Propanediol) Brand 181 30 $131,662
Amlodipine Besylate Generic 178 51 $981
Hydralazine Hcl Generic 124 40 $3,509
Losartan Potassium Generic 114 33 $1,391
Furosemide Generic 106 31 $872
Calcitriol Generic 90 22 $2,003
Jardiance (Empagliflozin) Brand 63 19 $49,689
Bumetanide Generic 58 23 $3,122
Lisinopril Generic 52 16 $420

Frequently asked questions

Auto-generated from federal data
What is Dr. Antonio Armstrong's medical specialty?
Dr. Antonio Armstrong practices Nephrology Physician in Apopka, FL.
Where does Dr. Antonio Armstrong practice?
Dr. Antonio Armstrong practices at 1761 Ocoee Apopka RD, Apopka, FL 327039263. Office phone: 4075152290.
What is Dr. Antonio Armstrong's NPI?
Dr. Antonio Armstrong's National Provider Identifier (NPI) is 1235472705, issued by NPPES.
Does Dr. Antonio Armstrong accept Medicare assignment?
Yes. Dr. Antonio Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Antonio Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.