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SHASHA WU
NPI 1083833412
Psychiatry & Neurology - Epilepsy in Chicago, IL

Active since April 24, 2007PECOS EnrolledAccepts Medicare Assignment
97.71/100
CMS Quality Rating
5841 S MARYLAND AVE, CHICAGO, IL 60637(888) 824-0200 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 17, 2025, Oct 24, 2022, May 19, 2022 and 3 more (6 updates tracked since 2021).

About Shasha Wu NPPES

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

SHASHA WU (NPI 1083833412) is an individual epilepsy provider in Chicago, Illinois, licensed in Illinois (036130962) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and maintains a secondary practice location in Crown Point.

NPPES Registry Identity

NPI1083833412
Entity TypeIndividualFemale
Primary Taxonomy2084E0001X
Provider Legal NameSHASHA WU
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address150 Harvester Dr, Suite 300Burr Ridge, IL 60527-5919
Phone(888) 824-0200
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateApril 24, 2007
Last NPPES UpdateSeptember 17, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2025
✔ NPI 1083833412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · EpilepsyAllopathic & Osteopathic Physicians
Taxonomy Code2084E0001X
License✔ Licensed in IL · 036130962
Definition
Epilepsy is a subspecialty of neurology focused on the diagnosis and treatment of patients with epilepsy, including new-onset, medically refractory epilepsy, psychogenic nonepileptic seizures, and epilepsy in special populations (the elderly, women, patients with co-morbidities). Epilepsy is a multidisciplinary field that provides comprehensive care of the patient.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 036130962 (IL)
5841 S MARYLAND AVE, Chicago, IL 60637
Open in Google Maps ↗

Secondary Practice Location 1

Location 110855 Virginia StCrown Point, IN 46307-0210 · Phone (888) 824-0200

Accepted Insurance

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

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

Shasha Wu 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 ID5597919654
PECOS Enrollment IDI20130126000024, I20240614003420
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

5

Medicare enrollment records show Shasha Wu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
Same address
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
Same address
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois and Indiana enrollments
  • 2,237 clinicians in this Medicare group
NPI 1821048786 (773) 702-9200
Deaconess Illinois Specialty Clinic, Inc.
228 mi
Orthopaedic Surgery
1201 RICKER RD
Salem, IL 62881
  • Reassigned Medicare billing, Illinois enrollment
  • 228 clinicians in this Medicare group
NPI 1730896291 (182) 418-7916
Harrisburg Medical Center Inc
278 mi
Rural Health
1007 US HIGHWAY 45 N
Eldorado, IL 62930
  • Reassigned Medicare billing, Illinois enrollment
  • 44 clinicians in this Medicare group
NPI 1073646436 (618) 273-7723
Southern Illinois Medical Services, Nfp
293 mi
Internal Medicine
1239 E MAIN ST
Carbondale, IL 62901
  • Reassigned Medicare billing, Illinois enrollment
  • 702 clinicians in this Medicare group
NPI 1770656837 (618) 457-5200

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 8

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.

Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720
This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.
69 services32 patients
Measurement of brain wave activity (eeg), awake and drowsy 95816
Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.
57 services56 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.
50 services41 patients
Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 95718
This procedure, known as a Video EEG (VEEG), records brain wave activity for 2-12 hours. It involves attaching electrodes to your scalp and monitoring brain waves while a video records your actions. This helps health professionals understand and diagnose neurological issues.
31 services29 patients
Measurement of brain wave activity (eeg), awake and asleep 95819
The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.
24 services24 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.
22 services20 patients

Hospital Affiliations CMS Care Compare 4

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

Herrin Hospital

Acute Care Hospitals · Herrin, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140011
Location201 S 14th StHerrin, IL 62948 · Williamson County
Emergency services

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140088
Location5841 South MarylandChicago, IL 60637 · Cook County
Emergency services Birthing friendly

Memorial Hospital Of Carbondale

Acute Care Hospitals · Carbondale, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140164
Location405 W JacksonCarbondale, IL 62901 · Jackson County
Emergency services Birthing friendly

Ingalls Memorial Hospital

Acute Care Hospitals · Harvey, IL
2/5 CMS rating
OwnershipPhysician
CMS Certification Number140191
Location1 Ingalls DriveHarvey, IL 60426 · Cook County
Emergency services Birthing friendly

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.

97.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.43
Promoting Interoperability100
Improvement Activities40

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.

DR. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Shasha Wu's NPI number?

The NPI number for Shasha Wu is 1083833412. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Shasha Wu located?

Shasha Wu practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (888) 824-0200.

What is Shasha Wu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.

Is Shasha Wu enrolled in Medicare?

Yes. Shasha Wu 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 organizations bill Medicare for Shasha Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shasha Wu reassigns Medicare benefits to 5 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL), Deaconess Illinois Specialty Clinic, Inc. (Salem, IL), Harrisburg Medical Center Inc (Eldorado, IL) and Southern Illinois Medical Services, Nfp (Carbondale, 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 Shasha Wu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shasha Wu accept?

Health plans from Oscar Health list Shasha Wu 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.

Is Shasha Wu affiliated with any hospitals?

According to CMS data, Shasha Wu is affiliated with Herrin Hospital, The University Of Chicago Medical Center, Memorial Hospital Of Carbondale and Ingalls Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Shasha Wu was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.