Cardiac CatheterizationCatheterization, Swan-GanzHypertension, Pulmonary
Dr. Roy Carl St John, MD
NPI1558348839
- Medicare services, 2016
- 151
- Part D claims, 2024
- 42
- Publications
- 1
- Clinical trials
- 5
- Industry payments
- $6,919
- Practice address
- 1520 Old Henderson Rd, Columbus, OH 43220
- Practice phone
- Call (614) 457-4570
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Breathing Association Lung Health Clinic
Columbus, Ohio
Find Dr. St John's professional email, personal email and mobile number
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Dr. Roy Carl St John is a pulmonologist in Columbus, Ohio
Dr. St John practices at Breathing Association Lung Health Clinic in Columbus, Ohio.
Dr. St John's NPI, 1558348839, was assigned on December 28, 2005. Dr. St John graduated from Ohio State University College of Medicine in 1985. Dr. St John holds Ohio license 35054825S.
NPI and contact details
- NPI
- 1558348839NPI Registry (opens in a new tab)
- NPI enumeration date
- December 28, 2005
- NPI status
- Active
- Practice phone
- (614) 457-4570
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Roy Carl St John practices at Breathing Association Lung Health Clinic in Columbus, Ohio
Dr. St John's primary practice is Breathing Association Lung Health Clinic, at 1520 Old Henderson Rd, Columbus, OH 43220 in Franklin County. The practice phone is (614) 457-4570.
- Breathing Association Lung Health Clinic1520 Old Henderson Rd, Columbus, OH 43220 · Franklin CountyPhone(614) 457-4570
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roy Carl St John is affiliated with 3 sites of care and 1 medical group
Dr. St John's primary practice is Breathing Association Lung Health Clinic in Columbus, Ohio. The medical group on file is The Breathing Association. Dmand AI also links Dr. St John to 1 more physician office and 1 group practice or clinic, each named with a free account.
Breathing Association Lung Health ClinicPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Roy Carl St John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St John practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Breathing Association Lung Health Clinic | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roy Carl St John is one of 611 pulmonologists in Ohio
Pulmonary disease is Dr. St John's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. St John is licensed in Ohio.
Specialties and state licenses
- Pulmonary disease, OhioPrimary
Pulmonologists near Dr. St John
Counts of pulmonologists 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. Roy Carl St John billed Medicare for 151 services in 2016
CMS data shows 151 Medicare services from Dr. St John across 6 procedure codes in 2016. Medicare paid $3,732 for them.
Medicare services, 2016151
Paid by Medicare$3,732
Procedure codes6
Dr. St John's Medicare services by type, 2016
- Tests and treatments98
- Office and hospital visits53
Where Dr. St John's Medicare services took place, 2016
- In an office11777%
- In a facility3423%
Dr. St John compared with the Ohio median for pulmonologists, 2016
- Dr. St John
- Ohio median
- Medicare services
- 151vs 55973% below
- Part D claims
- 14vs 61698% below
Medians across 606 pulmonologists in Ohio with Dmand AI profiles that report each measure.
Dr. St John's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. St John?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. St John and other pulmonologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roy Carl St John's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. St John's median patient age at 68, with 60% 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 68
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Roy Carl St John wrote 42 Medicare Part D claims in 2024
In 2024, Dr. St John wrote 42 Medicare Part D claims for 12 patients. 26% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $441 in total drug cost. In 2017, CMS named 77 claims across 6 drugs.
Part D claims, 202442
Drugs named by CMS1
Total drug cost$441
Part D patients12
Dr. St John's Part D claims by kind of drug, 2024
- Generic11 claims26%
- Brand-name31 claims74%
Dr. St John's most prescribed drugs by claims, 2024
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, 2017 to 2024
- 2017
- 2024
- Claims for drugs CMS names
- 2017: 772024: 1482%
Drugs named by CMS: 1 in 2024, 6 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Roy Carl St John has 1 publication on record
Dmand AI links 1 paper to Dr. St John in 2017. Dr. St John's most frequent co-authors are Don Hayes, MD, Jasleen Kukreja, MD and Joseph D. Tobias, MD.
Papers1
Dr. St John's most frequent co-authors
Recent publications by Dr. St John
See who Dr. St John researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. St John works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Roy Carl St John has worked on 5 clinical trials
Dmand AI links Dr. St John to 5 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Diabetes Mellitus, Type 2, Migraine without Aura and Pulmonary Disease, Chronic Obstructive. Eli Lilly and Company sponsors the most, 3. Open Payments lists research payments to Dr. St John that name 3 trials.
Conditions in Dr. St John's trials
- Diabetes Mellitus, Type 2
- Migraine without Aura
- Pulmonary Disease, Chronic Obstructive
- Renal Insufficiency, Chronic
- Diabetes Mellitus
Investigators on the most trials with Dr. St John
- Neil J. Fraser, MD3 shared trials
- Joseph L. Lillo, DO3 shared trials
- Alexander Vance Murray, MD3 shared trials
Recent clinical trials with Dr. St John
Pulmonary Disease, Chronic ObstructiveLung Diseases, ObstructiveEnsifentrine
A Randomized, Double-Blind, Parallel Group, Placebo-Controlled Study to Assess STS101 in the Acute Treatment of Migraine (opens in a new tab)
CompletedPhase 3
Migraine without AuraMigraine with AuraDihydroergotamine
$844 in research paymentsDiabetes Mellitus, Type 2ObesityTirzepatide
A Study of Daily Oral Orforglipron (LY3502970) Compared With Insulin Glargine in Participants With Type 2 Diabetes and Obesity or Overweight at Increased Cardiovascular Risk (opens in a new tab)
Active, not recruiting
$560 in research paymentsRenal Insufficiency, ChronicRenal InsufficiencyInsulin GlargineOrforglipron
$19,826 in research paymentsDiabetes Mellitus, Type 2Diabetes MellitusInsulin Efsitora AlfaInsulin Glargine (U100)Insulin Lispro (U100)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Roy Carl St John received $6,919 in industry payments from 2016 to 2025
CMS Open Payments shows 54 general payments to Dr. St John from 11 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 78% of the total. Chiesi USA, Inc. paid the most, $2,355. It also lists 23 research payments totaling $58,216 from 2016 to 2023, naming 3 clinical trials.
General payments to Dr. St John by program year, 2016 to 2025
General payments to Dr. St John by kind, 2016 to 2025
$6.9Kin total
- Travel and lodging$5,40878%
- Food and beverage$1,45821%
- Education$531%
Companies that paid Dr. St John the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roy Carl St John graduated from Ohio State University College of Medicine
Dr. St John graduated from Ohio State University College of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roy Carl 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Roy Carl 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. Roy Carl St John's NPI number?
Dr. Roy Carl St John's NPI number is 1558348839. It was assigned on December 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Roy Carl St John?
Dr. Roy Carl St John is a pulmonologist in Columbus, Ohio. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Roy Carl St John practice?
Dr. St John practices at 1520 Old Henderson Rd, Columbus, OH 43220. Dr. St John's primary practice is Breathing Association Lung Health Clinic in Columbus, Ohio. Dmand AI also links Dr. St John to 1 physician office and 1 group practice or clinic.
What is Dr. Roy Carl St John's office phone number?
The practice phone on file for Dr. St John is (614) 457-4570.
What is Dr. Roy Carl St John's medical license number?
Dr. St John holds Ohio license 35054825S.
What medical group is Dr. Roy Carl St John part of?
Dr. St John is linked to The Breathing Association.
Does Dr. Roy Carl St John accept Medicare?
Yes. CMS data shows Dr. St John billed Medicare for 151 services in 2016.
What services does Dr. Roy Carl St John bill to Medicare?
In 2016, Dr. St John's most billed Medicare services were lung function service (94010), office visit, established patient (99213) and office visit, established patient (99212).
Where did Dr. Roy Carl St John go to medical school?
Dr. St John graduated from Ohio State University College of Medicine in 1985.
What drugs does Dr. Roy Carl St John prescribe most?
In 2024 Medicare Part D data, Dr. St John's most prescribed drugs by claims were Albuterol Sulfate Hfa.
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Has Dr. Roy Carl St John received payments from drug or device companies?
CMS Open Payments shows $6,919 in general payments to Dr. St John from 11 companies from 2016 to 2025. The largest total came from Chiesi USA, Inc.
How long has Dr. Roy Carl St John been practicing?
Dr. St John graduated from medical school in 1985, 41 years ago.
Does Dr. Roy Carl St John do research?
Dmand AI links 1 publication to Dr. St John. Dr. St John has worked on 5 clinical trials.
Who does Dr. Roy Carl St John publish with?
Dr. St John's most frequent co-authors are Don Hayes, MD (1 shared paper), Jasleen Kukreja, MD (1 shared paper) and Joseph D. Tobias, MD (1 shared paper).
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