Alexander John Armstrong, PA-C

  • Ladson, SC
  • Physician assistant
NPI1881208346PAC ID4789003070
Medicare patients, 2024
282
Part D claims, 2024
1,867
MIPS score, 2024
82
Hospital affiliations
3
Medical groups
3
Practice address
3601 Ladson Rd, Ladson, SC 29456
Practice phone
Call (843) 285-2500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Trident Cardiology Associates, PA

Ladson, South Carolina

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Alexander John Armstrong is a physician assistant in Ladson, South Carolina

Alexander Armstrong practices at Trident Cardiology Associates, PA in Ladson, South Carolina.

Alexander Armstrong's NPI, 1881208346, was assigned on September 2, 2020.

NPI and contact details
Medicare PAC ID
4789003070
NPI enumeration date
September 2, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(843) 285-2500
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Alexander John Armstrong practices at Trident Cardiology Associates, PA in Ladson, South Carolina

Alexander Armstrong's primary practice is Trident Cardiology Associates, PA, at 3601 Ladson Rd, Ladson, SC 29456 in Berkeley County. The practice phone is (843) 285-2500.

  • Trident Cardiology Associates, PA
    3601 Ladson Rd, Ladson, SC 29456 · Berkeley CountyPhone(843) 285-2500

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Alexander John Armstrong is affiliated with 7 sites of care and 3 medical groups

Alexander Armstrong's primary practice is Trident Cardiology Associates, PA in Ladson, South Carolina. Alexander Armstrong is also affiliated with MUSC Health University Medical Center. The medical group on file is MUSC Health. Dmand AI also links Alexander Armstrong to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 10 affiliations for Alexander Armstrong

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Alexander John Armstrong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Alexander Armstrong practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Trident Cardiology Associates, PAAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Alexander John Armstrong is one of 1,888 physician assistants in South Carolina

Physician assistant is Alexander Armstrong's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Alexander Armstrong

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

1,888physician assistants in South Carolina
9physician assistants in Ladson

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Alexander John Armstrong treated 282 Medicare patients in 2024, average age 76

CMS counts 282 Medicare patients who saw Alexander Armstrong in 2024. The largest group is 75 to 84, with 127 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Alexander Armstrong's median patient age at 67, with 58% women.

Medicare patients, 2024282
Average age76
Average risk score1.56

Alexander Armstrong's Medicare patients by age, 2024

Alexander Armstrong's Medicare patients by sex, 2024

  • Women16960%
  • Men11340%

Chronic conditions among Alexander Armstrong's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease56%
  4. Arthritis52%
  5. Diabetes49%
  6. Heart failure45%
  7. Chronic kidney disease39%
  8. Atrial fibrillation38%

Share of Medicare patients with each condition. A patient can have several.

Alexander 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 67

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Alexander John Armstrong wrote 1,867 Medicare Part D claims in 2024

In 2024, Alexander Armstrong wrote 1,867 Medicare Part D claims for 463 patients. 74% of them were for generic drugs.

Part D claims, 20241,867
Part D patients463

Alexander Armstrong's Part D claims by kind of drug, 2024

  • Generic1,389 claims74%
  • Brand-name478 claims26%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Alexander John Armstrong scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Alexander Armstrong for performance year 2024, reported as part of a group. Alexander Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Alexander Armstrong's MIPS scores, performance year 2024

  • 82of 100Final score
  • 73of 100Quality
  • 100of 100Promoting Interoperability
  • 30of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for Alexander John Armstrong's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Alexander John 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 Alexander John Armstrong's NPI number?

Alexander John Armstrong's NPI number is 1881208346. It was assigned on September 2, 2020, and it is active in the NPI Registry.

What does Alexander John Armstrong specialize in?

Alexander John Armstrong is a physician assistant in Ladson, South Carolina. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Alexander John Armstrong practice?

Alexander Armstrong practices at 3601 Ladson Rd, Ladson, SC 29456. Alexander Armstrong's primary practice is Trident Cardiology Associates, PA in Ladson, South Carolina. Dmand AI also links Alexander Armstrong to 2 hospitals, 3 group practices and clinics and 2 medical groups.

What is Alexander John Armstrong's office phone number?

The practice phone on file for Alexander Armstrong is (843) 285-2500.

Which hospitals is Alexander John Armstrong affiliated with?

Alexander Armstrong is affiliated with MUSC Health University Medical Center. Dmand AI links Alexander Armstrong to 2 more hospitals.

What medical group is Alexander John Armstrong part of?

Alexander Armstrong is linked to MUSC Health. Dmand AI links Alexander Armstrong to 2 more medical groups.

Does Alexander John Armstrong accept Medicare?

Yes. CMS lists Alexander Armstrong as accepting Medicare assignment.

What is Alexander John Armstrong's MIPS score?

Alexander Armstrong's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.

How many Medicare patients does Alexander John Armstrong see?

CMS counts 282 Medicare patients who saw Alexander Armstrong in 2024, with an average age of 76.

How long has Alexander John Armstrong been practicing?

Alexander Armstrong graduated from medical school in 2020, 6 years ago.

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