Alexandra Armstrong, M.D.
NPI 1255569133 · Anesthesiology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Armstrong, M.D. is a Anesthesiology Physician provider in Greenville, SC (NPI 1255569133).
Provider details
- NPI number
- 1255569133
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 125067227 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
322 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Shock Wave Therapy for Urinary System Stones Without Water Bath00873 | 46 | $89 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 40 | $82 |
| Anesthesia for Total Hip Replacement01214 | 32 | $140 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 30 | $143 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 24 | $192 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 22 | $41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1969 W Ogden Ave5th Floor Anesthesiology DepartmentChicago, IL 60612-3765Phone: (312) 864-5044
Registry dates
- Enumerated
- 2009-06-30
- Last updated
- 2024-10-08
- Certified
- 2024-10-08
Frequently asked questions
- What is Alexandra Armstrong's NPI number?
- Alexandra Armstrong's National Provider Identifier (NPI) is 1255569133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Armstrong's specialty?
- Alexandra Armstrong is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Armstrong located?
- Alexandra Armstrong's practice location on file with NPPES is 7 Independence PT Ste 300, Greenville, SC 29615-4569.
- What is Alexandra Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Armstrong is (864) 522-3700.
- Does Alexandra Armstrong accept Medicare?
- Alexandra Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Armstrong's NPI active?
- Yes — Alexandra Armstrong's NPI (1255569133) is active in the NPPES registry as of the last update on 2024-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.