Ashley Johnston, PA-C
NPI 1023241643 · Medical Physician Assistant · Zephyrhills, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Johnston, PA-C is a Medical Physician Assistant provider in Zephyrhills, FL (NPI 1023241643).
Provider details
- NPI number
- 1023241643
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA9105048 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
282 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 128 | $75 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 65 | $93 |
| Urinalysis, Manual Test81002 | 40 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $106 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $139 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 225 | 217 |
| Doxycycline Hyclate | 103 | 99 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 82 | 81 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 65 | 64 |
| Ciprofloxacin Hcl | 38 | 37 |
| Amoxicillin | 35 | 35 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Practice location
Mailing address
Additional practice locations (3)
- 18981 N Dale Mabry HwyLutz, FL 33548-4981Phone: (813) 388-5922
- 8428 Little RdNew Port Richey, FL 34654-4929Phone: (727) 777-6473
- 2352 Bruce B Downs Blvd Ste 101Wesley Chapel, FL 33544-9203Phone: (813) 929-3600
Registry dates
- Enumerated
- 2009-08-30
- Last updated
- 2024-12-27
- Certified
- 2024-12-27
Frequently asked questions
- What is Ashley Johnston's NPI number?
- Ashley Johnston's National Provider Identifier (NPI) is 1023241643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Johnston's specialty?
- Ashley Johnston is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ashley Johnston located?
- Ashley Johnston's practice location on file with NPPES is 38021 Market Square Dr, Zephyrhills, FL 33542-7504.
- What is Ashley Johnston's phone number?
- The practice phone number listed in the NPPES registry for Ashley Johnston is (813) 929-3600.
- Does Ashley Johnston accept Medicare?
- Ashley Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Johnston's NPI active?
- Yes — Ashley Johnston's NPI (1023241643) is active in the NPPES registry as of the last update on 2024-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.