Dr. Allen Jerome Rosenbaum, MD
- Medicare services, 2024
- 94
- Medicare patients, 2024
- 92
- Part D claims, 2024
- 275
- Industry payments
- $4,297
- Affiliated sites
- 1
- Practice address
- 8420 W Bryn Mawr Ave, Chicago, IL 60631
- Practice phone
- Call (312) 623-8993
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Midwest Digestive Health & Nutrition
Chicago, Illinois
Find Dr. Rosenbaum'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. Allen Jerome Rosenbaum is a gastroenterologist in Chicago, Illinois
Dr. Rosenbaum practices at Midwest Digestive Health & Nutrition in Chicago, Illinois.
Dr. Rosenbaum's NPI, 1508862368, was assigned on June 24, 2005. Dr. Rosenbaum graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979. Dr. Rosenbaum holds Illinois license 036060818.
- NPI
- 1508862368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810158060
- NPI enumeration date
- June 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 623-8993
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Allen Jerome Rosenbaum practices at Midwest Digestive Health & Nutrition in Chicago, Illinois
Dr. Rosenbaum's primary practice is Midwest Digestive Health & Nutrition, at 8420 W Bryn Mawr Ave, Chicago, IL 60631 in Cook County. The practice phone is (312) 623-8993.
- Midwest Digestive Health & Nutrition8420 W Bryn Mawr Ave, Chicago, IL 60631 · Cook CountyPhone(312) 623-8993
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Allen Jerome Rosenbaum is affiliated with 2 sites of care and 2 medical groups
Dr. Rosenbaum's primary practice is Midwest Digestive Health & Nutrition in Chicago, Illinois. The medical group on file is Midwest Digestive Health & Nutrition. Dmand AI also links Dr. Rosenbaum to 1 more group practice or clinic 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. Allen Jerome Rosenbaum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenbaum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Midwest Digestive Health & Nutrition | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Allen Jerome Rosenbaum is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Rosenbaum's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rosenbaum is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Rosenbaum
Counts of gastroenterologists 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. Allen Jerome Rosenbaum billed Medicare for 94 services in 2024
CMS data shows 94 Medicare services from Dr. Rosenbaum across 2 procedure codes in 2024, all of them office visits, for 92 Medicare patients. Medicare paid $8,472 for them. Every service was in an office.
Dr. Rosenbaum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2062024: 9454%
- Other services
- 2023: 112024: 0100%
- Surgery
- 2023: 722024: 0100%
Dr. Rosenbaum compared with the Illinois median for gastroenterologists, 2024
- Dr. Rosenbaum
- Illinois median
- Medicare services
- 94vs 49881% below
- Medicare patients
- 92vs 30770% below
- Part D claims
- 178vs 37052% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Rosenbaum'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. Rosenbaum and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Allen Jerome Rosenbaum treated 92 Medicare patients in 2024, average age 73
CMS counts 92 Medicare patients who saw Dr. Rosenbaum in 2024. The largest group is 65 to 74, with 42 patients. 74% of them have high cholesterol, and 70% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rosenbaum's median patient age at 52, with 48% women.
Dr. Rosenbaum's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rosenbaum's Medicare patients by sex, 2024
- Women4852%
- Men4448%
Chronic conditions among Dr. Rosenbaum's Medicare patients, 2024
- High cholesterol74%
- High blood pressure70%
- Arthritis51%
- Anxiety32%
- Diabetes30%
- Ischemic heart disease29%
- Mood disorders25%
- COPD21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rosenbaum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women48%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Allen Jerome Rosenbaum wrote 275 Medicare Part D claims in 2024
In 2024, Dr. Rosenbaum wrote 275 Medicare Part D claims for 109 patients. 91% of them were for generic drugs. CMS names the drug for 178 of them, across 5 drugs with 11 or more claims each, at $1,801 in total drug cost. In 2023, CMS named 842 claims across 14 drugs.
Dr. Rosenbaum's Part D claims by kind of drug, 2024
- Generic251 claims91%
- Brand-name24 claims9%
Dr. Rosenbaum'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8422024: 17879%
Drugs named by CMS: 5 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
Dr. Allen Jerome Rosenbaum ranks in the 46th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Rosenbaum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rosenbaum as offering telehealth. CMS counts 15 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Rosenbaum, more than 46% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Rosenbaum ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 46th percentile15 procedures
- Colonoscopy
- 41st percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Allen Jerome Rosenbaum received $4,297 in industry payments from 2016 to 2025
CMS Open Payments shows 146 general payments to Dr. Rosenbaum from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $646.
General payments to Dr. Rosenbaum by program year, 2016 to 2025
General payments to Dr. Rosenbaum by kind, 2016 to 2025
- Food and beverage$4,26199%
- Education$361%
Companies that paid Dr. Rosenbaum 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. Allen Jerome Rosenbaum graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Rosenbaum graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Allen Jerome Rosenbaum'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) |
| 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)Doctors and Clinicians Utilization Data (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. Allen Jerome Rosenbaum
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. Allen Jerome Rosenbaum's NPI number?
Dr. Allen Jerome Rosenbaum's NPI number is 1508862368. It was assigned on June 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Allen Jerome Rosenbaum?
Dr. Allen Jerome Rosenbaum is a gastroenterologist in Chicago, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Allen Jerome Rosenbaum practice?
Dr. Rosenbaum practices at 8420 W Bryn Mawr Ave, Chicago, IL 60631. Dr. Rosenbaum's primary practice is Midwest Digestive Health & Nutrition in Chicago, Illinois. Dmand AI also links Dr. Rosenbaum to 1 group practice or clinic and 1 medical group.
What is Dr. Allen Jerome Rosenbaum's office phone number?
The practice phone on file for Dr. Rosenbaum is (312) 623-8993.
What is Dr. Allen Jerome Rosenbaum's medical license number?
Dr. Rosenbaum holds Illinois license 036060818.
What medical group is Dr. Allen Jerome Rosenbaum part of?
Dr. Rosenbaum is linked to Midwest Digestive Health & Nutrition. Dmand AI links Dr. Rosenbaum to 1 more medical group.
Does Dr. Allen Jerome Rosenbaum accept Medicare?
Yes. CMS data shows Dr. Rosenbaum billed Medicare for 94 services in 2024, and Dr. Rosenbaum accepts Medicare assignment.
Does Dr. Allen Jerome Rosenbaum offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rosenbaum as offering telehealth services.
How many Medicare patients does Dr. Allen Jerome Rosenbaum see?
CMS counts 92 Medicare patients who saw Dr. Rosenbaum in 2024, with an average age of 73.
What services does Dr. Allen Jerome Rosenbaum bill to Medicare?
In 2024, Dr. Rosenbaum's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
Where did Dr. Allen Jerome Rosenbaum go to medical school?
Dr. Rosenbaum graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1979.
What drugs does Dr. Allen Jerome Rosenbaum prescribe most?
In 2024 Medicare Part D data, Dr. Rosenbaum's most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Omeprazole.
Has Dr. Allen Jerome Rosenbaum received payments from drug or device companies?
CMS Open Payments shows $4,297 in general payments to Dr. Rosenbaum from 31 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Allen Jerome Rosenbaum been practicing?
Dr. Rosenbaum graduated from medical school in 1979, 47 years ago.
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