Efficacy and Safety of Olokizumab in Subjects With Moderately to Severely Active Rheumatoid Arthritis (opens in a new tab)
CompletedPhase 3
Arthritis, RheumatoidLymphoma, FollicularConcomitant treatmentOlokizumab 64 mg SC q2wOlokizumab 64 mg SC q4w
Dr. Melody D. St. John, MD
NPI1306847892
- Medicare services, 2019
- 366
- Part D claims, 2019
- 272
- Clinical trials
- 2
- Industry payments
- $7,768
- Affiliated sites
- 1
- Practice address
- 615 S New Ballas Rd, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Hospital St Louis
Saint Louis, Missouri
Find Dr. St. John's professional email, personal email and mobile number
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Dr. Melody D. St. John is a rheumatologist in Saint Louis, Missouri
Dr. St. John practices at Mercy Hospital St Louis in Saint Louis, Missouri.
Dr. St. John's NPI, 1306847892, was assigned on August 9, 2005. Dr. St. John holds Arkansas license C7981.
NPI and contact details
- NPI
- 1306847892NPI Registry (opens in a new tab)
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Melody D. St. John practices at Mercy Hospital St Louis in Saint Louis, Missouri
Dr. St. John's primary practice is Mercy Hospital St Louis, at 615 S New Ballas Rd, Saint Louis, MO 63141 in Saint Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St Louis615 S New Ballas Rd, Saint Louis, MO 63141 · Saint Louis CountyPhone(314) 251-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Melody D. St. John is affiliated with 2 sites of care and 1 medical group
Dr. St. John's primary practice is Mercy Hospital St Louis in Saint Louis, Missouri. Dmand AI also links Dr. St. John to 1 group practice or clinic and 1 medical group, each named with a free account.
Mercy Hospital St LouisPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Melody D. St. John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St. John practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St Louis | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Melody D. St. John is one of 136 rheumatologists in Missouri
Rheumatology is Dr. St. John's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. St. John is licensed in Arkansas.
Specialties and state licenses
- Rheumatology, ArkansasPrimary
Rheumatologists near Dr. St. John
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Melody D. St. John billed Medicare for 366 services in 2019
CMS data shows 366 Medicare services from Dr. St. John across 10 procedure codes in 2019. Medicare paid $4,246 for them. Every service was in an office.
Medicare services, 2019366
Paid by Medicare$4,246
Procedure codes10
Dr. St. John's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Lab and pathology
- 2018: 3,9862019: 26493%
- Office and hospital visits
- 2018: 6262019: 5691%
- Surgery
- 2018: 7412019: 4694%
- Drugs given in the office
- 2018: 63,3242019: 0100%
- Imaging
- 2018: 142019: 0100%
- Tests and treatments
- 2018: 4262019: 0100%
Dr. St. John compared with the Missouri median for rheumatologists, 2019
- Dr. St. John
- Missouri median
- Medicare services
- 366vs 54733% below
- Part D claims
- 272vs 1,28879% below
Medians across 139 rheumatologists in Missouri with Dmand AI profiles that report each measure.
Dr. St. John's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. St. John and other rheumatologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Melody D. St. John's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. St. John's median patient age at 77, with 89% women.
Dr. St. John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women89%
- Men11%
Source: Dmand AI Patient Panel Data
Dr. Melody D. St. John wrote 272 Medicare Part D claims in 2019
In 2019, Dr. St. John wrote 272 Medicare Part D claims. They cover 9 drugs, with $13,374 in total drug cost. In 2018, CMS named 3,531 claims across 47 drugs.
Part D claims, 2019272
Drugs named by CMS9
Total drug cost$13,374
Dr. St. John's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 3,5312019: 27292%
Drugs named by CMS: 9 in 2019, 47 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Melody D. St. John has worked on 2 clinical trials
Dmand AI links Dr. St. John to 2 clinical trials, 2 of them phase 3 studies. Conditions studied include Arthritis, Rheumatoid, Lymphoma, Follicular and Rheumatic Diseases. R-Pharm International, LLC sponsors the most, 2.
Conditions in Dr. St. John's trials
- Arthritis, Rheumatoid
- Lymphoma, Follicular
- Rheumatic Diseases
Investigators on the most trials with Dr. St. John
- Azarel Abinader, MD2 shared trials
- Shaikh A. Ali, MD, PA2 shared trials
- Christopher Ryan Antolini, MD2 shared trials
Recent clinical trials with Dr. St. John
Arthritis, RheumatoidRheumatic DiseasesAdalimumab 40mg q2wOlokizumab 64mg q2wOlokizumab 64mg q4w
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Melody D. St. John received $7,768 in industry payments from 2016 to 2019
CMS Open Payments shows 537 general payments to Dr. St. John from 25 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $1,108.
General payments to Dr. St. John by program year, 2016 to 2019
General payments to Dr. St. John by kind, 2016 to 2019
$7.8Kin total
- Food and beverage$7,748100%
- Education$210%
Companies that paid Dr. St. John the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Melody D. St. John's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Melody D. St. John
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Melody D. St. John's NPI number?
Dr. Melody D. St. John's NPI number is 1306847892. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Melody D. St. John?
Dr. Melody D. St. John is a rheumatologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Melody D. St. John practice?
Dr. St. John practices at 615 S New Ballas Rd, Saint Louis, MO 63141. Dr. St. John's primary practice is Mercy Hospital St Louis in Saint Louis, Missouri. Dmand AI also links Dr. St. John to 1 group practice or clinic and 1 medical group.
What is Dr. Melody D. St. John's office phone number?
The practice phone on file for Dr. St. John is (314) 251-6000.
What is Dr. Melody D. St. John's medical license number?
Dr. St. John holds Arkansas license C7981.
Does Dr. Melody D. St. John accept Medicare?
Yes. CMS data shows Dr. St. John billed Medicare for 366 services in 2019.
What services does Dr. Melody D. St. John bill to Medicare?
In 2019, Dr. St. John's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (82040).
What drugs does Dr. Melody D. St. John prescribe most?
In 2019 Medicare Part D data, Dr. St. John's most prescribed drugs by claims were Methotrexate, Prednisone and Hydrocodone-Acetaminophen.
Has Dr. Melody D. St. John received payments from drug or device companies?
CMS Open Payments shows $7,768 in general payments to Dr. St. John from 25 companies from 2016 to 2019. The largest total came from Pfizer Inc.
How long has Dr. Melody D. St. John been practicing?
Dr. St. John's NPI was assigned in 2005.
Does Dr. Melody D. St. John do research?
Dr. St. John has worked on 2 clinical trials.
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