DR. ALEXANDRA BAUMANN D.O.
NPI 1124380332
Internal Medicine - Gastroenterology in Chicago, IL

Active since June 13, 2012PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
259 E ERIE ST FL 16, CHICAGO, IL 60611(312) 695-5620(312) 926-1925 Get Directions Write a Review

NPPES record last updated: December 6, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 6, 2023, Apr 26, 2019 (2 updates tracked since 2019).

About Dr. Alexandra Baumann D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDRA BAUMANN D.O. (NPI 1124380332) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036149216) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2012).

NPPES Registry Identity

NPI1124380332
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ALEXANDRA BAUMANNCredential: D.O.
Location Address259 E ERIE ST FL 16Chicago, IL 60611-2987
Mailing Address259 E Erie St Fl 16Chicago, IL 60611-2987 · (312) 695-5620
Fax(312) 926-1925
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2012
Enumeration DateJune 13, 2012
Last NPPES UpdateDecember 6, 20232 updates tracked since enumeration
NPPES CertifiedDecember 6, 2023
NPI 1124380332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in IL · 036149216
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License OS017468 (PA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License OT014796 (PA), UO5052 (FL)
259 E ERIE ST FL 16, Chicago, IL 60611

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexandra Baumann D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991019390
PECOS Enrollment IDI20190529001198
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
50 services47 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
41 services41 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
40 services37 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
40 services39 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
39 services39 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
37 services33 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dietitian, Registered
259 E ERIE ST FL 16
CHICAGO, IL 60611
Surgery (Trauma Surgery)
259 E ERIE ST FL 16
CHICAGO, IL 60611
Dietitian, Registered
259 E ERIE ST FL 16
CHICAGO, IL 60611
Psychologist (Clinical)
259 E ERIE ST FL 16
CHICAGO, IL 60611
Physician Assistant
259 E ERIE ST FL 16
CHICAGO, IL 60611
Nurse Practitioner (Family)
259 E ERIE ST FL 16
CHICAGO, IL 60611
Psychologist (Clinical)
259 E ERIE ST FL 16, LAVIN FAMILY PAVILION
CHICAGO, IL 60611
Internal Medicine (Gastroenterology)
259 E ERIE ST FL 16
CHICAGO, IL 60611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexandra Baumann's NPI number?

The NPI number for Alexandra Baumann is 1124380332. It was assigned to this individual provider in the NPPES registry on June 13, 2012.

Where is Alexandra Baumann located?

Alexandra Baumann practices at 259 E Erie St Fl 16, Chicago, IL 60611. The listed phone number is (312) 695-5620.

What is Alexandra Baumann's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Alexandra Baumann enrolled in Medicare?

Yes. Alexandra Baumann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Alexandra Baumann affiliated with any hospitals?

According to CMS data, Alexandra Baumann is affiliated with Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Alexandra Baumann was last updated on December 6, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.