Doctor profile · Federal record

Dr. Alexandra Armstrong, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Critical Care Medicine (Anesthesiology) Physician · Acute Care Nurse Practitioner · Greenville, SC

  • NPI 1255569133
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
7 Independence PT Ste 300
Greenville, SC 296154569
(864) 522-3700
fax (864) 522-3705
Additional location
1969 W Ogden Ave, 5Th Floor Anesthesiology Department
Chicago, IL 606123765
(312) 864-5044
Mailing address
300 E McBee Ave Fl 4
Greenville, SC 296012842

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
October 8, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (3)
South Carolina #85024 · Illinois #125067227 · Texas #727406
Medicaid
TX #1255569133

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255569133. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
349
Distinct HCPCS
10
Medicare allowed
$52,386
HCPCS Description Services Patients Avg allowed
00790 Anesthesia for other procedure on upper abdomen 44 42 $219
00670 Anesthesia for extensive surgery on spine 38 38 $328
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 37 37 $75
01214 Anesthesia for total hip replacement 37 37 $163
36620 Insertion of artery tube for blood sampling or infusion through skin 31 31 $41
01402 Anesthesia for procedure for total knee joint replacement 28 28 $145
00873 Anesthesia for shock wave therapy for urinary system stones without water bath 18 17 $84
00520 Anesthesia for other closed procedure on chest 17 17 $91
01230 Anesthesia for procedure on upper 2/3rd of thigh bone 17 17 $132
00811 Anesthesia for other procedure on large bowel using an endoscope 16 16 $65

In context: peer comparison

Among 57 peers in Greenville Anesthesiology Physician, average services per provider: 24. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Davol INC. 1 $17.75
Merck Sharp & Dohme LLC 1 $16.42

By nature of payment

Food and Beverage
$34

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Armstrong's medical specialty?
Dr. Alexandra Armstrong practices Anesthesiology Physician in Greenville, SC.
Where does Dr. Alexandra Armstrong practice?
Dr. Alexandra Armstrong practices at 7 Independence PT Ste 300, Greenville, SC 296154569. Office phone: 8645223700.
What is Dr. Alexandra Armstrong's NPI?
Dr. Alexandra Armstrong's National Provider Identifier (NPI) is 1255569133, issued by NPPES.
Does Dr. Alexandra Armstrong accept Medicare assignment?
Yes. Dr. Alexandra Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on upper abdomen (HCPCS 00790); Anesthesia for extensive surgery on spine (HCPCS 00670); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.