Dr. Joseph S. Thomas, MD
- Medicare services, 2024
- 56
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 88
- Hospital affiliations
- 1
- Industry payments
- $789
- Practice address
- 2320 E 93rd St, Chicago, IL 60617
- Practice phone
- Call (773) 967-5002
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomas' professional email, personal email and mobile number
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Dr. Joseph S. Thomas is an OB-GYN in Chicago, Illinois
Dr. Thomas practices at Advocate Trinity Hospital in Chicago, Illinois, part of Advocate Health.
Dr. Thomas' NPI, 1477504579, was assigned on May 13, 2006. Dr. Thomas graduated from Howard University College of Medicine in 1979. Dr. Thomas holds Illinois license 036068845.
- NPI
- 1477504579NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345201273
- NPI enumeration date
- May 13, 2006
- NPI status
- Active
- Practice phone
- (773) 967-5002
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joseph S. Thomas practices at Advocate Trinity Hospital in Chicago, Illinois
Dr. Thomas' primary practice is Advocate Trinity Hospital, at 2320 E 93rd St, Chicago, IL 60617 in Cook County. The practice phone is (773) 967-5002.
- Advocate Trinity Hospital2320 E 93rd St, Chicago, IL 60617 · Cook CountyPhone(773) 967-5002
Source: Dmand AI Affiliation Data
Dr. Joseph S. Thomas is affiliated with 1 site of care and 1 medical group
Dr. Thomas' primary practice is Advocate Trinity Hospital in Chicago, Illinois, part of Advocate Health. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph S. Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Trinity Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph S. Thomas is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Thomas is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. Thomas
Counts of OB-GYNs 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. Joseph S. Thomas billed Medicare for 56 services in 2024
CMS data shows 56 Medicare services from Dr. Thomas across 1 procedure code in 2024, all of them office visits, for 29 Medicare patients. Medicare paid $4,890 for them. Every service was in an office.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 472024: 5619%
Dr. Thomas compared with the Illinois median for OB-GYNs, 2024
- Dr. Thomas
- Illinois median
- Medicare services
- 56vs 4817% above
- Medicare patients
- 29vs 4434% below
- Part D claims
- 28vs 28Close to median
Medians across 1,360 OB-GYNs in Illinois with Dmand AI profiles that report each measure.
Dr. Thomas' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph S. Thomas treated 29 Medicare patients in 2024, average age 66
CMS counts 29 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 11 patients. 69% of them have high blood pressure, and 62% have arthritis. 59% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 51, with 85% women.
Dr. Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure69%
- Arthritis62%
- High cholesterol52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women85%
- Men14%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph S. Thomas wrote 88 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 88 Medicare Part D claims for 33 patients. 91% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $868 in total drug cost. In 2023, CMS named 65 claims across 3 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic80 claims91%
- Brand-name and other8 claims9%
Dr. Thomas' 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. Thomas' Part D claims, 2024
- Antibiotics25%22 of 88 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: 652024: 2857%
Drugs named by CMS: 2 in 2024, 3 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
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Dr. Joseph S. Thomas received $789 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Thomas from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Coloplast Corp paid the most, $344.
General payments to Dr. Thomas by program year, 2016 to 2025
General payments to Dr. Thomas by kind, 2016 to 2025
- Food and beverage$76998%
- Entertainment$202%
Companies that paid Dr. Thomas 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. Joseph S. Thomas graduated from Howard University College of Medicine
Dr. Thomas graduated from Howard University College of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph S. Thomas'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)Medicare Part D Prescribers - by Provider (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. Joseph S. Thomas
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. Joseph S. Thomas' NPI number?
Dr. Joseph S. Thomas' NPI number is 1477504579. It was assigned on May 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph S. Thomas?
Dr. Joseph S. Thomas is an OB-GYN in Chicago, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Joseph S. Thomas practice?
Dr. Thomas practices at 2320 E 93rd St, Chicago, IL 60617. Dr. Thomas' primary practice is Advocate Trinity Hospital in Chicago, Illinois, part of Advocate Health.
What is Dr. Joseph S. Thomas' office phone number?
The practice phone on file for Dr. Thomas is (773) 967-5002.
What is Dr. Joseph S. Thomas' medical license number?
Dr. Thomas holds Illinois license 036068845.
Which hospitals is Dr. Joseph S. Thomas affiliated with?
Dr. Thomas practices at Advocate Trinity Hospital in Chicago, Illinois.
What medical group is Dr. Joseph S. Thomas part of?
Dr. Thomas is linked to Dreyer Medical Clinic (Advocate Medical Group).
Does Dr. Joseph S. Thomas accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 56 services in 2024.
How many Medicare patients does Dr. Joseph S. Thomas see?
CMS counts 29 Medicare patients who saw Dr. Thomas in 2024, with an average age of 66.
What services does Dr. Joseph S. Thomas bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Joseph S. Thomas go to medical school?
Dr. Thomas graduated from Howard University College of Medicine in 1979.
What drugs does Dr. Joseph S. Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Estradiol and Metronidazole.
Has Dr. Joseph S. Thomas received payments from drug or device companies?
CMS Open Payments shows $789 in general payments to Dr. Thomas from 10 companies from 2016 to 2025. The largest total came from Coloplast Corp.
How long has Dr. Joseph S. Thomas been practicing?
Dr. Thomas graduated from medical school in 1979, 47 years ago.
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