Dr. Farhanaz Chowdhury, MD
- Medicare services, 2024
- 834
- Medicare patients, 2024
- 273
- Part D claims, 2024
- 669
- Hospital affiliations
- 2
- Industry payments
- $213
- Practice address
- 4500 Memorial Drive, Belleville, IL 62226
- Practice phone
- Call (618) 233-7750
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chowdhury's professional email, personal email and mobile number
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Dr. Farhanaz Chowdhury is a hospitalist in Belleville, Illinois
Dr. Chowdhury practices at Memorial Hospital in Belleville in Belleville, Illinois, part of BJC Health.
Dr. Chowdhury's NPI, 1518253160, was assigned on June 22, 2011. Dr. Chowdhury holds Illinois license 036-138143.
- NPI
- 1518253160NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931327947
- NPI enumeration date
- June 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 233-7750
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Farhanaz Chowdhury practices at Memorial Hospital in Belleville in Belleville, Illinois
Dr. Chowdhury's primary practice is Memorial Hospital in Belleville, at 4500 Memorial Drive, Belleville, IL 62226 in St. Clair County. The practice phone is (618) 233-7750.
- Memorial Hospital in Belleville4500 Memorial Drive, Belleville, IL 62226 · St. Clair CountyPhone(618) 233-7750
Source: Dmand AI Affiliation Data
Dr. Farhanaz Chowdhury is affiliated with 2 sites of care and 1 medical group
Dr. Chowdhury's primary practice is Memorial Hospital in Belleville in Belleville, Illinois, part of BJC Health. Dr. Chowdhury is also affiliated with Barnes-Jewish Hospital. The medical group on file is BJC Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Farhanaz Chowdhury's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chowdhury practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hospital in Belleville | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Farhanaz Chowdhury is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Chowdhury's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Chowdhury is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Chowdhury
Counts of hospitalists 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. Farhanaz Chowdhury billed Medicare for 834 services in 2024
CMS data shows 834 Medicare services from Dr. Chowdhury across 5 procedure codes in 2024, for 273 Medicare patients. Medicare paid $54,197 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chowdhury's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8112024: 8343%
Dr. Chowdhury compared with the Illinois median for hospitalists, 2024
- Dr. Chowdhury
- Illinois median
- Medicare services
- 834vs 54354% above
- Medicare patients
- 273vs 24213% above
- Part D claims
- 340vs 536.4 times
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Chowdhury'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Farhanaz Chowdhury treated 273 Medicare patients in 2024, average age 76
CMS counts 273 Medicare patients who saw Dr. Chowdhury in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.18, 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. Chowdhury's median patient age at 72, with 57% women.
Dr. Chowdhury's Medicare patients by age, 2024
Dr. Chowdhury's Medicare patients by sex, 2024
- Women14955%
- Men12445%
Chronic conditions among Dr. Chowdhury's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease61%
- Chronic kidney disease58%
- Heart failure57%
- Diabetes52%
- Anxiety48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chowdhury's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Farhanaz Chowdhury wrote 669 Medicare Part D claims in 2024
In 2024, Dr. Chowdhury wrote 669 Medicare Part D claims for 219 patients. 88% of them were for generic drugs. CMS names the drug for 340 of them, across 15 drugs with 11 or more claims each, at $14,832 in total drug cost. In 2023, CMS named 232 claims across 14 drugs.
Dr. Chowdhury's Part D claims by kind of drug, 2024
- Generic591 claims88%
- Brand-name and other78 claims12%
Dr. Chowdhury'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. Chowdhury's Part D claims, 2024
- Opioids6%37 of 669 claims
- Antibiotics13%85 of 669 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: 2322024: 34047%
Drugs named by CMS: 15 in 2024, 14 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
How Dr. Farhanaz Chowdhury takes part in Medicare
Dr. Chowdhury 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. Farhanaz Chowdhury received $213 in industry payments from 2017 to 2025
CMS Open Payments shows 13 general payments to Dr. Chowdhury from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $83.
General payments to Dr. Chowdhury by program year, 2017 to 2025
Companies that paid Dr. Chowdhury the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Farhanaz Chowdhury'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Farhanaz Chowdhury
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. Farhanaz Chowdhury's NPI number?
Dr. Farhanaz Chowdhury's NPI number is 1518253160. It was assigned on June 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Farhanaz Chowdhury?
Dr. Farhanaz Chowdhury is a hospitalist in Belleville, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Farhanaz Chowdhury practice?
Dr. Chowdhury practices at 4500 Memorial Drive, Belleville, IL 62226. Dr. Chowdhury's primary practice is Memorial Hospital in Belleville in Belleville, Illinois, part of BJC Health.
What is Dr. Farhanaz Chowdhury's office phone number?
The practice phone on file for Dr. Chowdhury is (618) 233-7750.
What is Dr. Farhanaz Chowdhury's medical license number?
Dr. Chowdhury holds Illinois license 036-138143.
Which hospitals is Dr. Farhanaz Chowdhury affiliated with?
Dr. Chowdhury practices at Memorial Hospital in Belleville in Belleville, Illinois. Dr. Chowdhury is also affiliated with Barnes-Jewish Hospital.
What medical group is Dr. Farhanaz Chowdhury part of?
Dr. Chowdhury is linked to BJC Medical Group.
Does Dr. Farhanaz Chowdhury accept Medicare?
Yes. CMS data shows Dr. Chowdhury billed Medicare for 834 services in 2024, and Dr. Chowdhury accepts Medicare assignment.
How many Medicare patients does Dr. Farhanaz Chowdhury see?
CMS counts 273 Medicare patients who saw Dr. Chowdhury in 2024, with an average age of 76.
What services does Dr. Farhanaz Chowdhury bill to Medicare?
In 2024, Dr. Chowdhury's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99231).
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What drugs does Dr. Farhanaz Chowdhury prescribe most?
In 2024 Medicare Part D data, Dr. Chowdhury's most prescribed drugs by claims were Pantoprazole Sodium, Amlodipine Besylate and Clopidogrel.
Has Dr. Farhanaz Chowdhury received payments from drug or device companies?
CMS Open Payments shows $213 in general payments to Dr. Chowdhury from 7 companies from 2017 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Farhanaz Chowdhury been practicing?
Dr. Chowdhury graduated from medical school in 1999, 27 years ago.
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