Christine Johnson, ANP
NPI 1225548225 · Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Johnson, ANP is a Nurse Practitioner provider in Saint Louis, MO (NPI 1225548225).
Provider details
- NPI number
- 1225548225
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANP
- Sex
- Female
- Sole proprietor
- No
- License
- 2017035714 (MO)
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
8 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
430 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 | 143 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $104 |
| Hemoglobin A1c Level83036 | 50 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 45 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 42 | $7 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 101 | 33 |
| Amlodipine Besylate | 84 | 30 |
| Lisinopril | 70 | 22 |
| Losartan Potassium | 61 | 22 |
| Levothyroxine Sodium | 57 | 17 |
| Semaglutidebrand: Ozempic | 53 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-10-04
- Last updated
- 2025-04-17
Frequently asked questions
- What is Christine Johnson's NPI number?
- Christine Johnson's National Provider Identifier (NPI) is 1225548225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Johnson's specialty?
- Christine Johnson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christine Johnson located?
- Christine Johnson's practice location on file with NPPES is 4320 Forest Park Ave, Saint Louis, MO 63108-2979.
- What is Christine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Christine Johnson is (314) 333-4100.
- Does Christine Johnson accept Medicare?
- Christine Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Johnson's NPI active?
- Yes — Christine Johnson's NPI (1225548225) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.