Christopher Johnson, MD
NPI 1205975448 · Psychiatry Physician · East Saint Louis, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Johnson, MD is a Psychiatry Physician provider in East Saint Louis, IL (NPI 1205975448).
Provider details
- NPI number
- 1205975448
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 24544 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 474 | 59 |
| Risperidone | 382 | 42 |
| Trazodone Hcl | 293 | 45 |
| Quetiapine Fumarate | 272 | 32 |
| Lorazepam | 229 | 31 |
| Clonazepam | 211 | 24 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 199 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$341 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2021-05-17
- Certified
- 2021-05-17
Frequently asked questions
- What is Christopher Johnson's NPI number?
- Christopher Johnson's National Provider Identifier (NPI) is 1205975448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Johnson's specialty?
- Christopher Johnson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Johnson located?
- Christopher Johnson's practice location on file with NPPES is 100 N 8th St, East Saint Louis, IL 62201-2989.
- What is Christopher Johnson's phone number?
- The practice phone number listed in the NPPES registry for Christopher Johnson is (618) 271-0130.
- Does Christopher Johnson accept Medicare?
- Christopher Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Johnson's NPI active?
- Yes — Christopher Johnson's NPI (1205975448) is active in the NPPES registry as of the last update on 2021-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.