Jennifer Johnston, MD
NPI 1922453414 · Family Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Johnston, MD is a Family Medicine Physician provider in Tucson, AZ (NPI 1922453414).
Provider details
- NPI number
- 1922453414
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- M-14739 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
156 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 48 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 23 | $10 |
| Hemoglobin A1c Level83036 | 21 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 20 | $8 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 17 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 15 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 381 | 136 |
| Lisinopril | 206 | 79 |
| Omeprazole | 191 | 65 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 187 | 73 |
| Levothyroxine Sodium | 177 | 54 |
| Amlodipine Besylate | 173 | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-03
- Last updated
- 2022-02-28
- Certified
- 2022-02-28
Frequently asked questions
- What is Jennifer Johnston's NPI number?
- Jennifer Johnston's National Provider Identifier (NPI) is 1922453414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Johnston's specialty?
- Jennifer Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Johnston located?
- Jennifer Johnston's practice location on file with NPPES is 839 W Congress St, Tucson, AZ 85745-2819.
- What is Jennifer Johnston's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Johnston is (520) 670-3909.
- Does Jennifer Johnston accept Medicare?
- Jennifer Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Johnston's NPI active?
- Yes — Jennifer Johnston's NPI (1922453414) is active in the NPPES registry as of the last update on 2022-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.