Nicholas Johnson
NPI 1881019107 · Medical Physician Assistant · Saint Louis, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Johnson is a Medical Physician Assistant provider in Saint Louis, MO (NPI 1881019107).
Provider details
- NPI number
- 1881019107
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2014003457 (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 tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
192 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Tube for Infusion (5 Years Or Older)36569 | 66 | $76 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 54 | $7 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 24 | $64 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 18 | $68 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 15 | $40 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2014-02-24
- Last updated
- 2021-01-14
- Certified
- 2021-01-14
Frequently asked questions
- What is Nicholas Johnson's NPI number?
- Nicholas Johnson's National Provider Identifier (NPI) is 1881019107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Johnson's specialty?
- Nicholas Johnson is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Johnson located?
- Nicholas Johnson's practice location on file with NPPES is 3015 N Ballas Rd, Saint Louis, MO 63131-2329.
- What is Nicholas Johnson's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Johnson is (314) 996-7033.
- Does Nicholas Johnson accept Medicare?
- Nicholas Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Johnson's NPI active?
- Yes — Nicholas Johnson's NPI (1881019107) is active in the NPPES registry as of the last update on 2021-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.