Joshua Fernelius, MD
Hospitalist Physician · Saint Louis, MO
Joshua Fernelius, MD is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1861020497, issued on Mar 30, 2020. Check the license (Missouri 2023010147, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Joshua Fernelius
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 2023010147 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1201 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 257-8000
- Enumerated
- Mar 30, 2020
- Record last updated
- May 31, 2024
- Fax
- (314) 977-6164
- Medicare enrollment
- Enrolled (PECOS I20230608003295); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 930 in Missouri → Look up another NPI →
Also registered at 1201 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joshua Fernelius in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2023010147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average hospitalist physician in 2024
104 Medicare Part D claims for 35 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Fernelius among 930 hospitalist physician records in Missouri
Joshua Fernelius, MD is one of 930 hospitalist physician records with a practice address in Missouri. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 75% of them.
- NPI issued2020 · 75% of these records are older, 17% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2020 · median 2014 among the 715 with a school on file
- Record last updated2024 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
419 hospitalist physician records list a practice address in Saint Louis
They are 419 of the 27,605 NPPES records with a practice address in Saint Louis, and 930 hospitalist physician records in Missouri.
All 930 in Missouri → Every provider in Saint Louis → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Cory CheathamSaint Louis, MO 631041700128949
- Jabon Ellis, D.O.Saint Louis, MO 631041023371333
- Adam Fritz, M.D.Saint Louis, MO 631041154731107
- Deborah Goldberg, M.D.Saint Louis, MO 631041326338849
- Mohamed Halane, M.DSaint Louis, MO 631041639306442
- Takaaki Ishiyama, M.D.Saint Louis, MO 631041386865822
- Mohammad Malik, M.DSaint Louis, MO 631041144431925
- Christina Mannix, MDSaint Louis, MO 631041184727984
Common questions
What is Joshua Fernelius, MD's NPI number?
Joshua Fernelius, MD's National Provider Identifier (NPI) is 1861020497, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Fernelius, MD located?
The NPPES record lists a practice address at 1201 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 257-8000. Providers update this record themselves, so call before visiting.
How can I verify Joshua Fernelius, MD's license?
NPPES lists Missouri license number 2023010147, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joshua Fernelius, MD prescribe under Medicare Part D?
In 2024, Joshua Fernelius, MD had 104 Medicare Part D claims for 35 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Joshua Fernelius, MD's MIPS final score?
The 2023 MIPS final score is 88.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.