Doctor profile · Federal record

Dr. Jennifer Johnston, MD

Family Medicine Physician (CMS: Family Practice) · Tucson, AZ

  • NPI 1922453414
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
839 W Congress St
Tucson, AZ 857452819
(520) 670-3909
fax (520) 309-2560

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
February 28, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Idaho #M-14739

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922453414. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
6
Medicare allowed
$2,033
HCPCS Description Services Patients Avg allowed
80053 Blood test, comprehensive group of blood chemicals 30 24 $10
83036 Hemoglobin a1c level 30 21 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 24 21 $8
80061 Blood test, lipids (cholesterol and triglycerides) 21 21 $13
80048 Blood test, basic group of blood chemicals (calcium, total) 14 11 $8
90662 Influenza vaccine split virus, preservative free 12 12 $72

In context: peer comparison

Among 123 peers in this city , average services per provider: 88. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,858
Patients
698
Total drug cost
$261,868
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 320 121 $5,197
Lisinopril Generic 206 79 $1,821
Amlodipine Besylate Generic 170 60 $1,476
Levothyroxine Sodium Generic 142 45 $3,198
Metformin Hcl Generic 122 41 $1,734
Omeprazole Generic 116 48 $2,222
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 111 51 $2,978
Gabapentin Generic 106 43 $3,006
Losartan Potassium Generic 91 35 $1,461
Metformin Hcl Er (Metformin Hcl) Brand 88 35 $1,576

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Johnston's medical specialty?
Dr. Jennifer Johnston practices Family Medicine Physician in Tucson, AZ.
Where does Dr. Jennifer Johnston practice?
Dr. Jennifer Johnston practices at 839 W Congress St, Tucson, AZ 857452819. Office phone: 5206703909.
What is Dr. Jennifer Johnston's NPI?
Dr. Jennifer Johnston's National Provider Identifier (NPI) is 1922453414, issued by NPPES.
Does Dr. Jennifer Johnston accept Medicare assignment?
Yes. Dr. Jennifer Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Johnston commonly perform?
Top Medicare-reported procedures in 2023: Blood test, comprehensive group of blood chemicals (HCPCS 80053); Hemoglobin a1c level (HCPCS 83036); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.