Joshua Fernelius, MD
NPI 1861020497 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Fernelius, MD is a Hospitalist Physician provider in Saint Louis, MO (NPI 1861020497).
Provider details
- NPI number
- 1861020497
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2023010147 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
323 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 159 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 81 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 20 | $165 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $125 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-30
- Last updated
- 2024-05-31
- Certified
- 2024-05-31
Frequently asked questions
- What is Joshua Fernelius's NPI number?
- Joshua Fernelius's National Provider Identifier (NPI) is 1861020497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Fernelius's specialty?
- Joshua Fernelius is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Fernelius located?
- Joshua Fernelius's practice location on file with NPPES is 1201 S Grand Blvd, Saint Louis, MO 63104-1016.
- What is Joshua Fernelius's phone number?
- The practice phone number listed in the NPPES registry for Joshua Fernelius is (314) 257-8000.
- Does Joshua Fernelius accept Medicare?
- Joshua Fernelius is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Fernelius's NPI active?
- Yes — Joshua Fernelius's NPI (1861020497) is active in the NPPES registry as of the last update on 2024-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.