Antonio A. Armstrong, M.D.
Nephrology Physician · Apopka, FL
Antonio A. Armstrong, M.D. is a nephrology physician with a practice address in Apopka, Florida, and NPI 1235472705, issued on Apr 2, 2013. Check the license (Florida ME134450, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Antonio A. Armstrong
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- ME134450 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1761 Ocoee Apopka RD, Apopka, FL 32703
- Phone
- (407) 515-2290
- Enumerated
- Apr 2, 2013
- Record last updated
- Dec 9, 2025
- Fax
- (407) 703-4574
- Medicare enrollment
- Enrolled (PECOS I20180705001901); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 840 in Florida → Look up another NPI →
Verify Antonio A. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME134450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average nephrology physician in 2024
1,768 Medicare Part D claims for 245 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Allopurinol188 claims
- Jardiance163 claims
- Amlodipine Besylate146 claims
- Farxiga144 claims
- Losartan Potassium107 claims
- Hydralazine Hcl104 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $853.50
42 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Nephrology Associates OF Central Florida, P.A.Orlando, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antonio A. Armstrong among 840 nephrology physician records in Florida
Antonio A. Armstrong, M.D. is one of 840 nephrology physician records with a practice address in Florida. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2013 · median 2000 among the 664 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Florida
There are 840 nephrology physician records in Florida.
All 840 in Florida → Every provider in Apopka → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Carlos Moreno Castaneda, MD, FASNApopka, FL 327031013325752
- Juan Sanchez, MDApopka, FL 327031952954539
- Fuad Afzal, MDAltamonte Springs, FL 327011033195839
- Vasudeva Bommineni, M.D.Altamonte Springs, FL 327011770576845
- Suzanne Bryskin, M.D.Altamonte Springs, FL 327011881863462
- Sayed Husain, M.D.Altamonte Springs, FL 327011780989376
- Faizul Hussain, DOAltamonte Springs, FL 327011942560974
- Syed Qadri, MDAltamonte Springs, FL 327011235497256
Common questions
What is Antonio A. Armstrong, M.D.'s NPI number?
Antonio A. Armstrong, M.D.'s National Provider Identifier (NPI) is 1235472705, issued on Apr 2, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Antonio A. Armstrong, M.D. located?
The NPPES record lists a practice address at 1761 Ocoee Apopka RD, Apopka, FL, 32703. Phone: (407) 515-2290. Providers update this record themselves, so call before visiting.
How can I verify Antonio A. Armstrong, M.D.'s license?
NPPES lists Florida license number ME134450, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Antonio A. Armstrong, M.D. prescribe under Medicare Part D?
In 2024, Antonio A. Armstrong, M.D. had 1,768 Medicare Part D claims for 245 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.