Doctor profile · Federal record

Dr. Alexandra Johnston, DO

Internal Medicine Physician (CMS: Internal Medicine) · Pittsburgh, PA

  • NPI 1033504253
  • Accepts Medicare
  • MIPS 92.5 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4727 Friendship Ave Ste 200
Pittsburgh, PA 152241778
(412) 235-5810
fax (412) 235-5890

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
October 9, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #OS019357

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033504253. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
149
Distinct HCPCS
4
Medicare allowed
$14,782
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 63 19 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 45 30 $117
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 27 27 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 14 11 $86

In context: peer comparison

Among 189 peers in Pittsburgh Internal Medicine Physician, average services per provider: 86. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
766
Patients
198
Total drug cost
$131,839
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 168 51 $3,230
Amlodipine Besylate Generic 125 44 $1,062
Lisinopril Generic 58 20 $637
Rosuvastatin Calcium Generic 55 18 $2,111
Omeprazole Generic 47 13 $942
Trulicity (Dulaglutide) Brand 44 0 $49,311
Levothyroxine Sodium Generic 39 0 $769
Carvedilol Generic 37 15 $511
Losartan Potassium Generic 33 14 $470
Pantoprazole Sodium Generic 30 12 $561

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Johnston's medical specialty?
Dr. Alexandra Johnston practices Internal Medicine Physician in Pittsburgh, PA.
Where does Dr. Alexandra Johnston practice?
Dr. Alexandra Johnston practices at 4727 Friendship Ave Ste 200, Pittsburgh, PA 152241778. Office phone: 4122355810.
What is Dr. Alexandra Johnston's NPI?
Dr. Alexandra Johnston's National Provider Identifier (NPI) is 1033504253, issued by NPPES.
Does Dr. Alexandra Johnston accept Medicare assignment?
Yes. Dr. Alexandra Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Johnston commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.