Christy Johnson
NPI 1093455636 · Medical Physician Assistant · Iowa City, IA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christy Johnson is a Medical Physician Assistant provider in Iowa City, IA (NPI 1093455636).
Provider details
- NPI number
- 1093455636
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 121601 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 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
926 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 213 | $100 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 204 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 94 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 88 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 76 | $8 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 145 | 75 |
| Amlodipine Besylate | 82 | 38 |
| Lisinopril | 74 | 35 |
| Levothyroxine Sodium | 56 | 24 |
| Omeprazole | 54 | 28 |
| Alprazolam | 43 | 12 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-31
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Christy Johnson's NPI number?
- Christy Johnson's National Provider Identifier (NPI) is 1093455636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christy Johnson's specialty?
- Christy Johnson is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christy Johnson located?
- Christy Johnson's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Christy Johnson's phone number?
- The practice phone number listed in the NPPES registry for Christy Johnson is (319) 356-2674.
- Does Christy Johnson accept Medicare?
- Christy Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christy Johnson's NPI active?
- Yes — Christy Johnson's NPI (1093455636) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.