Dr. Antonio A. Armstrong, MD
- Medicare services, 2024
- 2,118
- Medicare patients, 2024
- 618
- Part D claims, 2024
- 1,768
- Hospital affiliations
- 1
- Industry payments
- $5,049
- Practice address
- 640 Executive Park Ct, Apopka, FL 32703
- Practice phone
- Call (689) 348-7894
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apopka Dialysis
Apopka, Florida
Find Dr. Armstrong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Antonio A. Armstrong is a nephrologist in Apopka, Florida
Dr. Armstrong practices at Apopka Dialysis in Apopka, Florida.
Dr. Armstrong's NPI, 1235472705, was assigned on April 2, 2013. Dr. Armstrong graduated from Ponce Health Sciences University School of Medicine in 2013. Dr. Armstrong holds Florida license ME134450.
- NPI
- 1235472705NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466708474
- NPI enumeration date
- April 2, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (689) 348-7894
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Antonio A. Armstrong practices at Apopka Dialysis in Apopka, Florida
Dr. Armstrong's primary practice is Apopka Dialysis, at 640 Executive Park Ct, Apopka, FL 32703 in Orange County. The practice phone is (689) 348-7894.
- Apopka Dialysis640 Executive Park Ct, Apopka, FL 32703 · Orange CountyPhone(689) 348-7894
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Antonio A. Armstrong is affiliated with 6 sites of care and 1 medical group
Dr. Armstrong's primary practice is Apopka Dialysis in Apopka, Florida. Dr. Armstrong is also affiliated with AdventHealth Orlando. The medical group on file is Nephrology Associates of Central Florida. Dmand AI also links Dr. Armstrong to 3 more dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Antonio A. Armstrong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apopka Dialysis | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Antonio A. Armstrong is one of 917 nephrologists in Florida
Nephrology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Armstrong is board certified in internal medicine by the American Board of Internal Medicine. Dr. Armstrong is licensed in Florida.
Specialties and state licenses
- Nephrology, FloridaPrimary
Clinical focus
Dmand AI lists chronic kidney disease, fluid and electrolyte imbalances and kidney disease among the conditions Dr. Armstrong treats.
Nephrologists near Dr. Armstrong
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Antonio A. Armstrong billed Medicare for 2,118 services in 2024
CMS data shows 2,118 Medicare services from Dr. Armstrong across 9 procedure codes in 2024, for 618 Medicare patients. Medicare paid $186,441 for them.
Dr. Armstrong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,7982024: 1,6826%
- Tests and treatments
- 2023: 5942024: 27953%
- Other services
- 2023: 02024: 157
Where Dr. Armstrong's Medicare services took place, 2024
- In an office63430%
- In a facility1,48470%
Dr. Armstrong compared with the Florida median for nephrologists, 2024
- Dr. Armstrong
- Florida median
- Medicare services
- 2,118vs 1,49042% above
- Medicare patients
- 618vs 38760% above
- Part D claims
- 1,593vs 93471% above
Medians across 882 nephrologists in Florida with Dmand AI profiles that report each measure.
Dr. Armstrong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Armstrong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other nephrologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Antonio A. Armstrong treated 618 Medicare patients in 2024, average age 76
CMS counts 618 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 75 to 84, with 228 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 25% are also on Medicaid. Their average risk score is 4.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 71, with 48% women.
Dr. Armstrong's Medicare patients by age, 2024
Dr. Armstrong's Medicare patients by sex, 2024
- Women28947%
- Men32953%
Chronic conditions among Dr. Armstrong's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Diabetes61%
- Heart failure60%
- Arthritis55%
- Atrial fibrillation45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Antonio A. Armstrong wrote 1,768 Medicare Part D claims in 2024
In 2024, Dr. Armstrong wrote 1,768 Medicare Part D claims for 245 patients. 75% of them were for generic drugs. CMS names the drug for 1,593 of them, across 30 drugs with 11 or more claims each, at $337,004 in total drug cost. In 2023, CMS named 1,614 claims across 29 drugs.
Dr. Armstrong's Part D claims by kind of drug, 2024
- Generic1,322 claims75%
- Brand-name446 claims25%
Dr. Armstrong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6142024: 1,5931%
Drugs named by CMS: 30 in 2024, 29 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Antonio A. Armstrong takes part in Medicare
Dr. Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Antonio A. Armstrong received $5,049 in industry payments from 2018 to 2025
CMS Open Payments shows 236 general payments to Dr. Armstrong from 28 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 90% of the total. AstraZeneca Pharmaceuticals LP paid the most, $873.
General payments to Dr. Armstrong by program year, 2018 to 2025
General payments to Dr. Armstrong by kind, 2018 to 2025
- Food and beverage$4,55090%
- Education$49910%
Companies that paid Dr. Armstrong the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Antonio A. Armstrong has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Armstrong, most recently Chief Fellow in 2018.
Awards and honors for Dr. Armstrong
- 2018
- Chief Fellow
- 2013
- Deans List
- Undated
- Alpha Omega Alpha Honor Medical Society
Source: Dmand AI Professional Profile Data
Dr. Antonio A. Armstrong graduated from Ponce Health Sciences University School of Medicine
Dr. Armstrong graduated from Ponce Health Sciences University School of Medicine in 2013. Dr. Armstrong is a member of AOA, ACP, ASN, Florida Society of Nephrology and NKF.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
- Board certified in nephrology - internal medicine
Source: Dmand AI Professional Profile Data
Dr. Antonio A. Armstrong accepts plans from 18 insurance carriers
Dr. Armstrong is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- HCSC
- United Healthcare
- Cigna
- Alliant Health Plans
- Aspirus Health Plan
- +10 more carriersWith a free account
Plan types Dr. Armstrong accepts, by number of carriers
- PPO13
- HMO9
- Medicare9
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Antonio A. Armstrong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Antonio A. Armstrong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Antonio A. Armstrong's NPI number?
Dr. Antonio A. Armstrong's NPI number is 1235472705. It was assigned on April 2, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Antonio A. Armstrong?
Dr. Antonio A. Armstrong is a nephrologist in Apopka, Florida. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Antonio A. Armstrong practice?
Dr. Armstrong practices at 640 Executive Park Ct, Apopka, FL 32703. Dr. Armstrong's primary practice is Apopka Dialysis in Apopka, Florida. Dmand AI also links Dr. Armstrong to 3 dialysis centers and 1 group practice or clinic.
What is Dr. Antonio A. Armstrong's office phone number?
The practice phone on file for Dr. Armstrong is (689) 348-7894.
What is Dr. Antonio A. Armstrong's medical license number?
Dr. Armstrong holds Florida license ME134450.
Which hospitals is Dr. Antonio A. Armstrong affiliated with?
Dr. Armstrong is affiliated with AdventHealth Orlando.
What medical group is Dr. Antonio A. Armstrong part of?
Dr. Armstrong is linked to Nephrology Associates of Central Florida.
Does Dr. Antonio A. Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 2,118 services in 2024, and Dr. Armstrong accepts Medicare assignment.
How many Medicare patients does Dr. Antonio A. Armstrong see?
CMS counts 618 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 76.
Is Dr. Antonio A. Armstrong board certified?
Yes. Dr. Armstrong is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Antonio A. Armstrong bill to Medicare?
In 2024, Dr. Armstrong's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and office visit, established patient (99214).
Where did Dr. Antonio A. Armstrong go to medical school?
Dr. Armstrong graduated from Ponce Health Sciences University School of Medicine in 2013.
What drugs does Dr. Antonio A. Armstrong prescribe most?
In 2024 Medicare Part D data, Dr. Armstrong's most prescribed drugs by claims were Allopurinol, Jardiance and Amlodipine Besylate.
Has Dr. Antonio A. Armstrong received payments from drug or device companies?
CMS Open Payments shows $5,049 in general payments to Dr. Armstrong from 28 companies from 2018 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Antonio A. Armstrong been practicing?
Dr. Armstrong graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Antonio A. Armstrong accept?
Dr. Armstrong is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
Selling to nephrology practices?
See nephrologists in Florida by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card