Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MEGHAN BATTISTA MUELLER
NPI 1033777909
Nurse Practitioner - Adult Health in Chicago, IL

Active since June 04, 2019PECOS Enrolled
1520 W HARRISON ST, CHICAGO, IL 60607(800) 226-2371 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 25, 2019, Jun 4, 2019 (2 updates tracked since 2019).

About Meghan Battista Mueller NPPES

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

MEGHAN BATTISTA MUELLER (NPI 1033777909) is an individual adult health provider in Chicago, Illinois, licensed in Illinois (209.020106) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1033777909
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMEGHAN BATTISTA MUELLER
Location Address1520 W HARRISON STChicago, IL 60607-3106
Mailing Address1520 W Harrison StChicago, IL 60607-3106 · (800) 226-2371
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJune 4, 2019
Last NPPES UpdateOctober 19, 20262 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1033777909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in IL · 209.020106
Also ListedRegistered NurseTaxonomy 163W00000X · License 2210665 (MN)
1520 W HARRISON ST, Chicago, IL 60607

Secondary Practice Locations 2

Location 12845 N Sheridan Rd Fl 1Chicago, IL 60657-7227 · Phone (773) 665-9920
Location 2331 W Surf St Ste 6400Chicago, IL 60657-7227 · Phone (773) 665-9920

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Meghan Battista Mueller 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 ID7315278694
PECOS Enrollment IDI20191017002093
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.

Medicare Billing Reassignment

Medicare enrollment records show Meghan Mueller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,169 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

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.
141 services117 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.
109 services38 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services42 patients

Hospital Affiliations CMS Care Compare 2

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140063
Location520 S Maple AveOak Park, IL 60304 · Cook County
Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60607 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner (Acute Care)
1520 W HARRISON ST
CHICAGO, IL 60607
Clinical Exercise Physiologist
1520 W HARRISON ST
CHICAGO, IL 60607
Physician Assistant
1520 W HARRISON ST
CHICAGO, IL 60607
Physical Medicine & Rehabilitation
1520 W HARRISON ST
CHICAGO, IL 60607
Nurse Practitioner
1520 W HARRISON ST
CHICAGO, IL 60607
Pharmacist
1520 W HARRISON ST
CHICAGO, IL 60607
Psychiatry & Neurology (Neurology)
1520 W HARRISON ST
CHICAGO, IL 60607
Internal Medicine (Gastroenterology)
1520 W HARRISON ST
CHICAGO, IL 60607

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 Meghan Mueller's NPI number?

The NPI number for Meghan Mueller is 1033777909. It was assigned to this individual provider in the NPPES registry on June 4, 2019.

Where is Meghan Mueller located?

Meghan Mueller practices at 1520 W Harrison St, Chicago, IL 60607. The listed phone number is (800) 226-2371.

What is Meghan Mueller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Meghan Mueller enrolled in Medicare?

Yes. Meghan Mueller 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.

Which organization bills Medicare for Meghan Mueller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Meghan Mueller reassigns Medicare benefits to Rush University Medical Group (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Meghan Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Meghan Mueller affiliated with any hospitals?

According to CMS data, Meghan Mueller is affiliated with Rush Oak Park Hospital and Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Meghan Mueller was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.