STEPHANIE LYNN WEAVER M.D.
NPI 1942316229
Internal Medicine in Chicago, IL

Q: What is Stephanie Weaver's NPI number?

The NPI number for Stephanie Weaver is 1942316229. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Q: What is Stephanie Weaver's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Stephanie Weaver was last updated on September 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.

Active since August 21, 2006PECOS Enrolled

31.16/100

CMS Quality Rating

676 N ST CLAIR, SUITE 2300, CHICAGO, IL 60611(312) 926-6000(312) 926-6344 Get Directions Write a Review

NPPES record last updated: September 19, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Stephanie Lynn Weaver M.d. NPPES

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

STEPHANIE LYNN WEAVER M.D. (NPI 1942316229) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036095689) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942316229

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSTEPHANIE LYNN WEAVERCredential: M.D.

Location Address676 N ST CLAIR, SUITE 2300Chicago, IL 60611-2922

Mailing Address676 N St Clair, Suite 2300Chicago, IL 60611-2922 · (312) 926-6000 · Fax (312) 926-6344

Phone(312) 926-6000

Fax(312) 926-6344

Sole ProprietorNo

Enumeration DateAugust 21, 2006

Last NPPES UpdateSeptember 19, 2013

✔ NPI 1942316229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036095689

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

676 N ST CLAIR, Chicago, IL 60611

Open in Google Maps ↗

Other Identifiers 9

Other362664182United Healthcare

Other04017IL · Blue Choice

Other362664182Humana

Medicare UPING47111

Other0001616367IL · Blue Cross Blue Shield

Other110187922Rr Medicare

Other0005499562Aetna

Other362664182Cigna

Medicaid036095689IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Lynn Weaver M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Stephanie Weaver reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center

7.4 mi

General Acute Care Hospital

5841 S MARYLAND AVE
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
1,905 clinicians in this Medicare group

NPI 1033218128 (773) 702-1530

University Of Chicago

7.4 mi

Multi-Specialty

5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
2,237 clinicians in this Medicare group

NPI 1821048786 (773) 702-9200

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

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.

31.16/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

18.99

Promoting Interoperability

Improvement Activities

Cost

59.89

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

15 suppliers31 claims81 services$5.35 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers11 claims11 services$25.02 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier11 claims11 services$215.80 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

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

MRS. LISA F ROSENBERG MD

Ophthalmology

676 N ST CLAIR, #1500
CHICAGO, IL 60611

Cook County (312) 475-1000

NIDHI KANSAL M.D.

Internal Medicine

676 N ST CLAIR, SUITE 2300
CHICAGO, IL 60611

Cook County (312) 926-6000

ELISABETH I. WALLNER, M.D., S.C.

Clinic/Center (Primary Care)

676 N ST CLAIR, SUITE 2250
CHICAGO, IL 60611

Cook County (312) 926-0888

HEMATOLOGY ONCOLOGY ASSOCIATES OF ILLINOIS LLC

Internal Medicine (Hematology & Oncology)

676 N ST CLAIR, SUITE 2140
CHICAGO, IL 60611

Cook County (312) 664-5400

MARJORIE MINTZ ROSENBAUM MD LLC

Dermatology

676 N ST CLAIR, SUITE 1725
CHICAGO, IL 60611

Cook County (312) 664-8533

UNIVERSITY EYE SPECIALISTS LTD

Ophthalmology (Glaucoma Specialist)

676 N ST CLAIR, #320
CHICAGO, IL 60611

Cook County (312) 475-1000

PATRICIA F. KATZ, M.D.

Obstetrics & Gynecology (Gynecology)

676 N ST CLAIR, STE 1880
CHICAGO, IL 60611

Cook County (312) 642-9844

DR. KALEOULOKAWAI STASZKOW M.D.

Internal Medicine

676 N ST CLAIR, SUITE 2300
CHICAGO, IL 60611

Cook County (312) 926-6000

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 Stephanie Weaver's NPI number?

The NPI number for Stephanie Weaver is 1942316229. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Stephanie Weaver located?

Stephanie Weaver practices at 676 N St Clair Suite 2300, Chicago, IL 60611. The listed phone number is (312) 926-6000.

What is Stephanie Weaver's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Stephanie Weaver enrolled in Medicare?

Yes. Stephanie Weaver is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephanie Weaver's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Weaver reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each 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 Stephanie Weaver's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephanie Weaver accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Stephanie Weaver as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephanie Weaver was last updated on September 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.