Dr. Charles S. Eby, MD
- Medicare services, 2024
- 839
- Medicare patients, 2024
- 414
- MIPS score, 2024
- 84
- Industry payments
- $48,654
- Affiliated sites
- 2
- Practice address
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Practice phone
- Call (314) 362-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Barnes-Jewish Hospital
Saint Louis, Missouri
Find Dr. Eby's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charles S. Eby is a blood banking and transfusion medicine physician in Saint Louis, Missouri
Dr. Eby practices at Barnes-Jewish Hospital in Saint Louis, Missouri.
Dr. Eby's NPI, 1457377764, was assigned on July 14, 2006. Dr. Eby holds Missouri license R6J04.
- NPI
- 1457377764NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (314) 362-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Charles S. Eby practices at Barnes-Jewish Hospital in Saint Louis, Missouri
Dr. Eby's primary practice is Barnes-Jewish Hospital, at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 362-5000.
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 362-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles S. Eby is affiliated with 3 sites of care and 2 medical groups
Dr. Eby's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Eby to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charles S. Eby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eby practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles S. Eby is one of 9 blood bankings and transfusion medicine physicians in Missouri
Blood banking and transfusion medicine is Dr. Eby's primary specialty in the NPI Registry, under taxonomy code 207ZB0001X. Dr. Eby is licensed in Missouri.
Specialties and state licenses
- Blood banking and transfusion medicine, MissouriPrimary
Blood bankings and transfusion medicine physicians near Dr. Eby
Counts of blood bankings and transfusion medicine physicians 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. Charles S. Eby billed Medicare for 839 services in 2024
CMS data shows 839 Medicare services from Dr. Eby across 4 procedure codes in 2024, for 414 Medicare patients. Medicare paid $10,078 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Eby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,5242024: 83945%
Dr. Eby'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. Eby and other blood bankings and transfusion medicine physicians in Missouri.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Charles S. Eby treated 414 Medicare patients in 2024, average age 73
CMS counts 414 Medicare patients who saw Dr. Eby in 2024. The largest group is 65 to 74, with 203 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Dr. Eby's Medicare patients by age, 2024
Dr. Eby's Medicare patients by sex, 2024
- Women20249%
- Men21251%
Chronic conditions among Dr. Eby's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis57%
- Chronic kidney disease40%
- Diabetes33%
- Ischemic heart disease32%
- Heart failure30%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles S. Eby scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Eby for performance year 2024, reported as part of a group.
Dr. Eby's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charles S. Eby received $48,654 in industry payments from 2016 to 2024
CMS Open Payments shows 48 general payments to Dr. Eby from 5 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 57% of the total. Instrumentation Laboratory Company paid the most, $40,157.
General payments to Dr. Eby by program year, 2016 to 2024
General payments to Dr. Eby by kind, 2016 to 2024
- Consulting fees$27,50057%
- Travel and lodging$16,85635%
- Honoraria$3,4007%
- Food and beverage$8992%
Companies that paid Dr. Eby the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charles S. Eby'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) |
| Medicare patients and the all-payer patient panel | Medicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Charles S. Eby
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. Charles S. Eby's NPI number?
Dr. Charles S. Eby's NPI number is 1457377764. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles S. Eby?
Dr. Charles S. Eby is a blood banking and transfusion medicine physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Blood Banking & Transfusion Medicine Physician (taxonomy code 207ZB0001X).
Where does Dr. Charles S. Eby practice?
Dr. Eby practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Eby's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri. Dmand AI also links Dr. Eby to 2 group practices and clinics and 1 medical group.
What is Dr. Charles S. Eby's office phone number?
The practice phone on file for Dr. Eby is (314) 362-5000.
What is Dr. Charles S. Eby's medical license number?
Dr. Eby holds Missouri license R6J04.
What medical group is Dr. Charles S. Eby part of?
Dr. Eby is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Eby to 1 more medical group.
Does Dr. Charles S. Eby accept Medicare?
Yes. CMS data shows Dr. Eby billed Medicare for 839 services in 2024.
What is Dr. Charles S. Eby's MIPS score?
Dr. Eby's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles S. Eby see?
CMS counts 414 Medicare patients who saw Dr. Eby in 2024, with an average age of 73.
What services does Dr. Charles S. Eby bill to Medicare?
In 2024, Dr. Eby's most billed Medicare services were lab and pathology test (84165), lab and pathology test (86334) and lab and pathology test (86335).
Has Dr. Charles S. Eby received payments from drug or device companies?
CMS Open Payments shows $48,654 in general payments to Dr. Eby from 5 companies from 2016 to 2024. The largest total came from Instrumentation Laboratory Company.
How long has Dr. Charles S. Eby been practicing?
Dr. Eby's NPI was assigned in 2006.
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