Clin Gastroenterol Hepatol
Dr. Alexandra J. Baumann, DO
- Medicare services, 2024
- 399
- Medicare patients, 2024
- 244
- Part D claims, 2024
- 575
- Publications
- 19
- MIPS score, 2024
- 95
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Baumann's professional email, personal email and mobile number
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Dr. Alexandra J. Baumann is a gastroenterologist in Chicago, Illinois
Dr. Baumann practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Dr. Baumann's NPI, 1124380332, was assigned on June 13, 2012. Dr. Baumann graduated from Midwestern University, Chicago College of Osteopathic Med in 2012. Dr. Baumann holds Illinois license 036149216.
- NPI
- 1124380332NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991019390
- NPI enumeration date
- June 13, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexandra J. Baumann practices at Northwestern Memorial Hospital in Chicago, Illinois
Dr. Baumann's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Dr. Alexandra J. Baumann is affiliated with 3 sites of care and 1 medical group
Dr. Baumann's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dr. Baumann is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Baumann to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexandra J. Baumann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baumann practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alexandra J. Baumann is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Baumann's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Baumann is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Baumann's licenses on file in 3 states: Illinois, Florida and Pennsylvania.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
- Florida license
- Internal medicine, Pennsylvania
Gastroenterologists near Dr. Baumann
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. Alexandra J. Baumann billed Medicare for 399 services in 2024
CMS data shows 399 Medicare services from Dr. Baumann across 11 procedure codes in 2024, for 244 Medicare patients. Medicare paid $41,508 for them.
Dr. Baumann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1532024: 20937%
- Surgery
- 2023: 1112024: 15237%
- Other services
- 2023: 02024: 38
Where Dr. Baumann's Medicare services took place, 2024
- In an office7519%
- In a facility32481%
Dr. Baumann compared with the Illinois median for gastroenterologists, 2024
- Dr. Baumann
- Illinois median
- Medicare services
- 399vs 49820% below
- Medicare patients
- 244vs 30721% below
- Part D claims
- 530vs 37043% above
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Baumann'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. Alexandra J. Baumann treated 244 Medicare patients in 2024, average age 73
CMS counts 244 Medicare patients who saw Dr. Baumann in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Baumann's median patient age at 70, with 64% women.
Dr. Baumann's Medicare patients by age, 2024
Dr. Baumann's Medicare patients by sex, 2024
- Women16467%
- Men8033%
Chronic conditions among Dr. Baumann's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis50%
- Ischemic heart disease34%
- Diabetes32%
- Anxiety31%
- Mood disorders31%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Baumann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexandra J. Baumann wrote 575 Medicare Part D claims in 2024
In 2024, Dr. Baumann wrote 575 Medicare Part D claims for 213 patients. 89% of them were for generic drugs. CMS names the drug for 530 of them, across 7 drugs with 11 or more claims each, at $13,093 in total drug cost. In 2023, CMS named 476 claims across 7 drugs.
Dr. Baumann's Part D claims by kind of drug, 2024
- Generic514 claims89%
- Brand-name61 claims11%
Dr. Baumann'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: 4762024: 53011%
Drugs named by CMS: 7 in 2024, 7 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. Alexandra J. Baumann scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Baumann for performance year 2024, reported through an alternative payment model (APM). Dr. Baumann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baumann as offering telehealth. CMS counts 109 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Baumann, more than 78% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Baumann's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Baumann ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 78th percentile109 procedures
- Colonoscopy
- 45th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexandra J. Baumann has 19 publications on record
Dmand AI links 19 papers to Dr. Baumann, published from 2013 to 2024. 2020 was the busiest year, with 5. The most frequent topics are Manometry, Esophageal Motility Disorders and Esophagogastric Junction. Dr. Baumann has published most often in Clin Gastroenterol Hepatol. Dr. Baumann's most frequent co-authors are Dustin A. Carlson, MD, John E. Pandolfino, MD and Erica Nicole Donnan, MD.
Dr. Baumann's papers by year, 2013 to 2024
Topics Dr. Baumann writes about most
- Manometry
- Esophageal Motility Disorders
- Esophagogastric Junction
- Esophageal Achalasia
- Peristalsis
- Endoscopy, Gastrointestinal
- Esophagus
- Deglutition
Dr. Baumann's most frequent co-authors
- Dustin A. Carlson, MD13 shared papers
- John E. Pandolfino, MD13 shared papers
- Erica Nicole Donnan, MD12 shared papers
Recent publications by Dr. Baumann
Artif Intell Med
Clin Gastroenterol Hepatol
Neurogastroenterol Motil
Neurogastroenterol Motil
See who Dr. Baumann researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baumann works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexandra J. Baumann received $339 in industry payments from 2016 to 2024
CMS Open Payments shows 5 general payments to Dr. Baumann from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $111.
General payments to Dr. Baumann by program year, 2016 to 2024
Companies that paid Dr. Baumann 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. Alexandra J. Baumann graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Baumann graduated from Midwestern University, Chicago College of Osteopathic Med in 2012.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexandra J. Baumann'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Alexandra J. Baumann
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. Alexandra J. Baumann's NPI number?
Dr. Alexandra J. Baumann's NPI number is 1124380332. It was assigned on June 13, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexandra J. Baumann?
Dr. Alexandra J. Baumann is a gastroenterologist in Chicago, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Alexandra J. Baumann practice?
Dr. Baumann practices at 251 E Huron St, Chicago, IL 60611. Dr. Baumann's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Baumann to 1 group practice or clinic.
What is Dr. Alexandra J. Baumann's office phone number?
The practice phone on file for Dr. Baumann is (312) 926-2000.
What is Dr. Alexandra J. Baumann's medical license number?
Dr. Baumann holds Illinois license 036149216, one of the licenses on file in 3 states.
Which states has Dr. Alexandra J. Baumann been licensed in?
Dmand AI has state licenses on file for Dr. Baumann in Illinois, Florida and Pennsylvania.
Which hospitals is Dr. Alexandra J. Baumann affiliated with?
Dr. Baumann practices at Northwestern Memorial Hospital in Chicago, Illinois. Dr. Baumann is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital.
What medical group is Dr. Alexandra J. Baumann part of?
Dr. Baumann is linked to Northwestern Medical Faculty Foundation.
Does Dr. Alexandra J. Baumann accept Medicare?
Yes. CMS data shows Dr. Baumann billed Medicare for 399 services in 2024, and Dr. Baumann accepts Medicare assignment.
Does Dr. Alexandra J. Baumann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Baumann as offering telehealth services.
Show 10 more questionsShow fewer questions
What is Dr. Alexandra J. Baumann's MIPS score?
Dr. Baumann's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Alexandra J. Baumann see?
CMS counts 244 Medicare patients who saw Dr. Baumann in 2024, with an average age of 73.
Is Dr. Alexandra J. Baumann board certified?
Yes. Dr. Baumann is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Alexandra J. Baumann bill to Medicare?
In 2024, Dr. Baumann's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and surgery: digestive system (43239).
Where did Dr. Alexandra J. Baumann go to medical school?
Dr. Baumann graduated from Midwestern University, Chicago College of Osteopathic Med in 2012.
What drugs does Dr. Alexandra J. Baumann prescribe most?
In 2024 Medicare Part D data, Dr. Baumann's most prescribed drugs by claims were Omeprazole, Rabeprazole Sodium and Peg 3350-Electrolyte.
Has Dr. Alexandra J. Baumann received payments from drug or device companies?
CMS Open Payments shows $339 in general payments to Dr. Baumann from 5 companies from 2016 to 2024. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Alexandra J. Baumann been practicing?
Dr. Baumann graduated from medical school in 2012, 14 years ago.
Does Dr. Alexandra J. Baumann do research?
Dmand AI links 19 publications to Dr. Baumann, published from 2013 to 2024.
Who does Dr. Alexandra J. Baumann publish with?
Dr. Baumann's most frequent co-authors are Dustin A. Carlson, MD (13 shared papers), John E. Pandolfino, MD (13 shared papers) and Erica Nicole Donnan, MD (12 shared papers).
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