Doctor profile · Federal record
Dr. Maria Johnston, FNP
Family Nurse Practitioner · Tucson, AZ
- NPI 1083693444
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3939 S Park Ave, #150
Tucson, AZ 857141635
(520) 746-5001
fax (520) 573-9607 - Mailing address
-
2202 N Forbes Blvd
Tucson, AZ 857451412
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- August 15, 2011
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Arizona #RN048006
- Medicaid
- AZ #364414
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083693444. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$60
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 3 | $59.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,081
Patients
366
Total drug cost
$48,606
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 181 | 70 | $2,975 |
| Lisinopril | Generic | 114 | 43 | $1,138 |
| Metformin Hcl | Generic | 113 | 40 | $1,571 |
| Losartan Potassium | Generic | 98 | 35 | $1,893 |
| Levothyroxine Sodium | Generic | 91 | 27 | $1,456 |
| Amlodipine Besylate | Generic | 79 | 29 | $614 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 78 | 26 | $1,960 |
| Gabapentin | Generic | 62 | 20 | $1,706 |
| Omeprazole | Generic | 49 | 22 | $1,095 |
| Montelukast Sodium | Generic | 43 | 11 | $821 |
Frequently asked questions
What is Dr. Maria Johnston's medical specialty?
Dr. Maria Johnston practices Family Nurse Practitioner in Tucson, AZ.
Where does Dr. Maria Johnston practice?
Dr. Maria Johnston practices at 3939 S Park Ave, Tucson, AZ 857141635. Office phone: 5207465001.
What is Dr. Maria Johnston's NPI?
Dr. Maria Johnston's National Provider Identifier (NPI) is 1083693444, issued by NPPES.