Dr. Thomas C. Bailey, MD
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 487
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bailey's professional email, personal email and mobile number
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Dr. Thomas C. Bailey is an infectious disease specialist in Saint Louis, Missouri
Dr. Bailey practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Bailey's NPI, 1538187349, was assigned on July 18, 2006. Dr. Bailey graduated from Washington University School of Medicine in 1984. Dr. Bailey holds Missouri license R6F31.
- NPI
- 1538187349NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092844456
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas C. Bailey practices at 2 locations in Saint Louis, Missouri
Dr. Bailey's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Bailey also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Thomas C. Bailey is affiliated with 4 sites of care and 2 medical groups
Dr. Bailey's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Bailey is also affiliated with Memorial Hospital in Belleville. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Bailey to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas C. Bailey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bailey practices, 4 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas C. Bailey is one of 179 infectious disease specialists in Missouri
Infectious disease is Dr. Bailey's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Bailey is licensed in Missouri.
Specialties and state licenses
- Infectious disease, MissouriPrimary
Infectious disease specialists near Dr. Bailey
Counts of infectious disease specialists 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. Thomas C. Bailey billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Bailey across 6 procedure codes in 2024, for 96 Medicare patients. Medicare paid $12,312 for them.
Dr. Bailey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1712024: 12626%
- Other services
- 2023: 02024: 24
Where Dr. Bailey's Medicare services took place, 2024
- In an office7953%
- In a facility7147%
Dr. Bailey compared with the Missouri median for infectious disease specialists, 2024
- Dr. Bailey
- Missouri median
- Medicare services
- 150vs 27646% below
- Medicare patients
- 96vs 12724% below
- Part D claims
- 359vs 20377% above
Medians across 176 infectious disease specialists in Missouri with Dmand AI profiles that report each measure.
Dr. Bailey'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. Bailey and other infectious disease specialists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas C. Bailey treated 96 Medicare patients in 2024, average age 68
CMS counts 96 Medicare patients who saw Dr. Bailey in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.38, 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. Bailey's median patient age at 68, with 47% women.
Dr. Bailey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bailey's Medicare patients by sex, 2024
- Women5355%
- Men4345%
Chronic conditions among Dr. Bailey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis59%
- COPD53%
- Diabetes41%
- Chronic kidney disease40%
- Mood disorders40%
- Ischemic heart disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bailey'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
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas C. Bailey wrote 487 Medicare Part D claims in 2024
In 2024, Dr. Bailey wrote 487 Medicare Part D claims for 66 patients. 83% of them were for generic drugs. CMS names the drug for 359 of them, across 8 drugs with 11 or more claims each, at $261,317 in total drug cost. In 2023, CMS named 391 claims across 10 drugs.
Dr. Bailey's Part D claims by kind of drug, 2024
- Generic406 claims83%
- Brand-name81 claims17%
Dr. Bailey'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.
Drug classes CMS tracks in Dr. Bailey's Part D claims, 2024
- Antibiotics56%273 of 487 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3912024: 3598%
Drugs named by CMS: 8 in 2024, 10 in 2023.
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
Dr. Thomas C. Bailey 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. Bailey for performance year 2024, reported as part of a group. Dr. Bailey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Bailey'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.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas C. Bailey received $172 in industry payments from 2016 to 2024
CMS Open Payments shows 11 general payments to Dr. Bailey from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $94.
General payments to Dr. Bailey by program year, 2016 to 2024
Companies that paid Dr. Bailey the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas C. Bailey graduated from Washington University School of Medicine
Dr. Bailey graduated from Washington University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas C. Bailey'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 Affiliation DataDmand AI Practice 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)Medicare Part D Prescribers - by Provider (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)Clinician Public Reporting: Overall MIPS Performance (CMS) (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. Thomas C. Bailey
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. Thomas C. Bailey's NPI number?
Dr. Thomas C. Bailey's NPI number is 1538187349. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas C. Bailey?
Dr. Thomas C. Bailey is an infectious disease specialist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Thomas C. Bailey practice?
Dr. Bailey practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Bailey also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Bailey's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Bailey to 2 group practices and clinics and 1 medical group.
What is Dr. Thomas C. Bailey's office phone number?
The practice phone on file for Dr. Bailey is (314) 747-3000.
What is Dr. Thomas C. Bailey's medical license number?
Dr. Bailey holds Missouri license R6F31.
Which hospitals is Dr. Thomas C. Bailey affiliated with?
Dr. Bailey practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Bailey is also affiliated with Memorial Hospital in Belleville.
What medical group is Dr. Thomas C. Bailey part of?
Dr. Bailey is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Bailey to 1 more medical group.
Does Dr. Thomas C. Bailey accept Medicare?
Yes. CMS data shows Dr. Bailey billed Medicare for 150 services in 2024, and Dr. Bailey accepts Medicare assignment.
What is Dr. Thomas C. Bailey's MIPS score?
Dr. Bailey'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. Thomas C. Bailey see?
CMS counts 96 Medicare patients who saw Dr. Bailey in 2024, with an average age of 68.
Show 5 more questionsShow fewer questions
What services does Dr. Thomas C. Bailey bill to Medicare?
In 2024, Dr. Bailey's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99222).
Where did Dr. Thomas C. Bailey go to medical school?
Dr. Bailey graduated from Washington University School of Medicine in 1984.
What drugs does Dr. Thomas C. Bailey prescribe most?
In 2024 Medicare Part D data, Dr. Bailey's most prescribed drugs by claims were Ethambutol HCl, Azithromycin and Rifampin.
Has Dr. Thomas C. Bailey received payments from drug or device companies?
CMS Open Payments shows $172 in general payments to Dr. Bailey from 5 companies from 2016 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Thomas C. Bailey been practicing?
Dr. Bailey graduated from medical school in 1984, 42 years ago.
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