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WENSHENG TRACY WU
NPI 1144871344
Nurse Practitioner - Adult Health in Libertyville, IL

Active since September 27, 2019PECOS EnrolledAccepts Medicare Assignment
1800 HOLLISTER DR STE 112, LIBERTYVILLE, IL 60048(847) 367-6781(847) 367-8008 Get Directions Write a Review

NPPES record last updated: May 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 12, 2022, Dec 17, 2021, Sep 27, 2019 (3 updates tracked since 2019).

About Wensheng Tracy Wu NPPES

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

WENSHENG TRACY WU (NPI 1144871344) is an individual adult health provider in Libertyville, Illinois, licensed in Illinois (209.019898) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS, is affiliated with Straub Clinic And Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1144871344
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameWENSHENG TRACY WU
Location Address1800 HOLLISTER DR STE 112Libertyville, IL 60048-5265
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(847) 367-6781
Fax(847) 367-8008
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateSeptember 27, 2019
Last NPPES UpdateMay 12, 20223 updates tracked since enumeration
NPPES CertifiedMay 12, 2022
✔ NPI 1144871344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in IL · 209.019898
1800 HOLLISTER DR STE 112, Libertyville, IL 60048
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.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

Wensheng Tracy 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 ID6800200924
PECOS Enrollment IDI20230203001296
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

4

Medicare enrollment records show Wensheng Wu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lutheran General Hospital
15 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210
Northwest Oncology And Hematology Sc
17 mi
Hematology & Oncology
800 BIESTERFIELD RD, SUITE 210
Elk Grove Village, IL 60007
  • Reassigned Medicare billing, Illinois enrollment
  • 26 clinicians in this Medicare group
NPI 1225099427 (847) 437-3312
Straub Clinic & Hospital
4,237 mi
Multi-Specialty
888 S KING ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 664 clinicians in this Medicare group
NPI 1457306508 (808) 522-4000
Pali Momi Medical Center
4,238 mi
Multi-Specialty
98-1079 MOANALUA RD
Aiea, HI 96701
  • Reassigned Medicare billing, Hawaii enrollment
  • 134 clinicians in this Medicare group
NPI 1275588329 (808) 486-6000

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 4

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.
111 services55 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.
52 services40 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.
45 services33 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.
28 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Straub Clinic And Hospital

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number120022
Location888 S King StreetHonolulu, HI 96813 · Honolulu County
Emergency services

Pali Momi Medical Center

Acute Care Hospitals · Aiea, HI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number120026
Location98-1079 Moanalua RoadAiea, HI 96701 · Honolulu County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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 13

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

OMAR SALMAN MD
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
PATRICIA SULLIVAN NP
Nurse Practitioner
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
KEVIN M PRESCOTT MD
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
MARIA ANNE SZAFRANSKI
Nurse Practitioner
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
MIR M ALI MD
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
DR. MICHAEL JOSEPH BREEN MD, PHD
Internal Medicine (Hematology & Oncology)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
ARMITA SALEKI-HADAVAND
Nurse Practitioner
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781
MRS. AMY LYNN WALTHER APNP
Nurse Practitioner (Family)
1800 HOLLISTER DR STE 112
LIBERTYVILLE, IL 60048
Lake County (847) 367-6781

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 Wensheng Wu's NPI number?

The NPI number for Wensheng Wu is 1144871344. It was assigned to this individual provider in the NPPES registry on September 27, 2019.

Where is Wensheng Wu located?

Wensheng Wu practices at 1800 Hollister Dr Ste 112, Libertyville, IL 60048. The listed phone number is (847) 367-6781.

What is Wensheng Wu's specialty?

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

Is Wensheng Wu enrolled in Medicare?

Yes. Wensheng 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 Wensheng Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wensheng Wu reassigns Medicare benefits to 4 organizations: Lutheran General Hospital (Park Ridge, IL), Northwest Oncology And Hematology Sc (Elk Grove Village, IL), Straub Clinic & Hospital (Honolulu, HI) and Pali Momi Medical Center (Aiea, HI). 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 Wensheng Wu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Wensheng Wu accept?

Health plans from HMSA list Wensheng 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 Wensheng Wu affiliated with any hospitals?

According to CMS data, Wensheng Wu is affiliated with Straub Clinic And Hospital and Pali Momi Medical Center.

When was this NPI record last updated?

The NPPES record for Wensheng Wu was last updated on May 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.