EMMA WALLS GREEVER MD
NPI 1003493040
Emergency Medicine in Chicago, IL

Q: What is Emma Greever's NPI number?

The NPI number for Emma Greever is 1003493040. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Q: What is Emma Greever's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Emma Greever was last updated on May 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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 March 25, 2021PECOS EnrolledAccepts Medicare Assignment

251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: May 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 13, 2025, Jun 20, 2021, Mar 29, 2021 and 1 more (4 updates tracked since 2021).

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About Emma Walls Greever Md NPPES

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

EMMA WALLS GREEVER MD (NPI 1003493040) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (125077404) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Eastern Virginia Medical School (2021).

NPPES Registry Identity

NPI1003493040

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameEMMA WALLS GREEVERCredential: MD

Location Address251 E HURON STChicago, IL 60611-3055

Mailing Address251 E Huron StChicago, IL 60611-3055 · (312) 926-2000

Phone(312) 926-2000

Sole ProprietorNo

Medical School CMSEastern Virginia Medical SchoolGraduated 2021

Enumeration DateMarch 25, 2021

Last NPPES UpdateMay 13, 20254 updates tracked since enumeration

NPPES CertifiedMay 13, 2025

✔ NPI 1003493040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IL · 125077404

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

251 E HURON ST, Chicago, IL 60611

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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

Emma Walls Greever Md 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 ID1850792797

PECOS Enrollment IDI20250625001475

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.

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330101

Location525 East 68th StreetNew York, NY 10065 · New York 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

$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.

MARK WANG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611

Cook County (312) 503-8144

DR. MARLEY ANN DOYLE M/D.

Psychiatry & Neurology (Psychiatry)

251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611

Cook County (312) 926-6895

CASSIDY SCHWAB MD

Anesthesiology