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Dr. Ryan Lee Kroeger, DO
NPI1801150784PAC ID9638397326
- Medicare services, 2024
- 357
- Medicare patients, 2024
- 355
- Part D claims, 2022
- 52
- Clinical trials
- 1
- Hospital affiliations
- 3
- Practice address
- 615 New Ballas Road, 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
Find Dr. Kroeger's professional email, personal email and mobile number
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Dr. Ryan Lee Kroeger is an internist in Saint Louis, Missouri
Dr. Kroeger practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Kroeger's NPI, 1801150784, was assigned on June 26, 2012. Dr. Kroeger holds Missouri license 2014002055.
NPI and contact details
- NPI
- 1801150784NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638397326
- NPI enumeration date
- June 26, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Lee Kroeger practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Kroeger's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Ryan Lee Kroeger is affiliated with 3 sites of care and 6 medical groups
Dr. Kroeger's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Kroeger is also affiliated with Mercy Hospital Jefferson. The medical group on file is Mercy Hospital St. Louis. Dmand AI also links Dr. Kroeger to 1 more hospital and 5 medical groups, each named with a free account.
Mercy Hospital JeffersonMercy Hospital St. Louis1 hospitalName with a free account5 medical groupsNames with a free account
See all 9 affiliations for Dr. KroegerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Lee Kroeger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kroeger practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Lee Kroeger is one of 2,114 internists in Missouri
Internal medicine is Dr. Kroeger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kroeger is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Kroeger
Counts of internists 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. Ryan Lee Kroeger billed Medicare for 357 services in 2024
CMS data shows 357 Medicare services from Dr. Kroeger across 2 procedure codes in 2024, for 355 Medicare patients. Medicare paid $41,380 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024357
Medicare patients355
Paid by Medicare$41,380
Procedure codes2
Dr. Kroeger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3032024: 35718%
Dr. Kroeger compared with the Missouri median for internists, 2024
- Dr. Kroeger
- Missouri median
- Medicare services
- 357vs 53033% below
- Medicare patients
- 355vs 21168% above
- Part D claims
- 52vs 32584% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Kroeger's most billed Medicare procedure codes, 2024
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. Kroeger and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Lee Kroeger treated 355 Medicare patients in 2024, average age 76
CMS counts 355 Medicare patients who saw Dr. Kroeger in 2024. The largest group is 65 to 74, with 114 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.43, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kroeger's median patient age at 71, with 57% women.
Medicare patients, 2024355
Average age76
Average risk score2.43
Also on Medicaid17%
Dr. Kroeger's Medicare patients by age, 2024
Dr. Kroeger's Medicare patients by sex, 2024
- Women19655%
- Men15945%
Chronic conditions among Dr. Kroeger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Chronic kidney disease54%
- Ischemic heart disease51%
- Mood disorders51%
- Anxiety48%
- Depression47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kroeger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Lee Kroeger wrote 52 Medicare Part D claims in 2022
In 2022, Dr. Kroeger wrote 52 Medicare Part D claims. They cover 4 drugs, with $524 in total drug cost. In 2021, CMS named 25 claims across 2 drugs.
Part D claims, 202252
Drugs named by CMS4
Total drug cost$524
Dr. Kroeger's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 252022: 52108%
Drugs named by CMS: 4 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Ryan Lee Kroeger takes part in Medicare
Dr. Kroeger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ryan Lee Kroeger has worked on 1 clinical trial
Dmand AI links Dr. Kroeger to 1 clinical trial. Conditions studied include Diabetes Mellitus, Type 2 and Diabetes Mellitus.
Conditions in Dr. Kroeger's trials
- Diabetes Mellitus, Type 2
- Diabetes Mellitus
Investigators on the most trials with Dr. Kroeger
- John M. Agaiby, MD1 shared trial
- Cory G. Anderson, MD1 shared trial
- Duane Claude Anderson, MD1 shared trial
Recent clinical trials with Dr. Kroeger
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Lee Kroeger received $79 in industry payments from 2016 to 2019
CMS Open Payments shows 5 general payments to Dr. Kroeger from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 79% of the total. The Medicines Company paid the most, $54.
General payments to Dr. Kroeger by program year, 2016 to 2019
General payments to Dr. Kroeger by kind, 2016 to 2019
$79in total
- Food and beverage$6279%
- Education$1721%
Companies that paid Dr. Kroeger 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. Ryan Lee Kroeger'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Ryan Lee Kroeger
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. Ryan Lee Kroeger's NPI number?
Dr. Ryan Lee Kroeger's NPI number is 1801150784. It was assigned on June 26, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Lee Kroeger?
Dr. Ryan Lee Kroeger is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ryan Lee Kroeger practice?
Dr. Kroeger practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Kroeger's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Kroeger to 1 hospital and 5 medical groups.
What is Dr. Ryan Lee Kroeger's office phone number?
The practice phone on file for Dr. Kroeger is (314) 251-6000.
What is Dr. Ryan Lee Kroeger's medical license number?
Dr. Kroeger holds Missouri license 2014002055.
Which hospitals is Dr. Ryan Lee Kroeger affiliated with?
Dr. Kroeger practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Kroeger is also affiliated with Mercy Hospital Jefferson. Dmand AI links Dr. Kroeger to 1 more hospital.
What medical group is Dr. Ryan Lee Kroeger part of?
Dr. Kroeger is linked to Mercy Hospital St. Louis. Dmand AI links Dr. Kroeger to 5 more medical groups.
Does Dr. Ryan Lee Kroeger accept Medicare?
Yes. CMS data shows Dr. Kroeger billed Medicare for 357 services in 2024, and Dr. Kroeger accepts Medicare assignment.
How many Medicare patients does Dr. Ryan Lee Kroeger see?
CMS counts 355 Medicare patients who saw Dr. Kroeger in 2024, with an average age of 76.
What services does Dr. Ryan Lee Kroeger bill to Medicare?
In 2024, Dr. Kroeger's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
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What drugs does Dr. Ryan Lee Kroeger prescribe most?
In 2022 Medicare Part D data, Dr. Kroeger's most prescribed drugs by claims were Cefdinir, Hydrocodone-Acetaminophen and Mirtazapine.
Has Dr. Ryan Lee Kroeger received payments from drug or device companies?
CMS Open Payments shows $79 in general payments to Dr. Kroeger from 3 companies from 2016 to 2019. The largest total came from The Medicines Company.
How long has Dr. Ryan Lee Kroeger been practicing?
Dr. Kroeger graduated from medical school in 2012, 14 years ago.
Does Dr. Ryan Lee Kroeger do research?
Dr. Kroeger has worked on 1 clinical trial.
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