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WALTER J WHANG MD
NPI 1245217942
Psychiatry & Neurology - Psychiatry in Woodridge, IL

Active since December 23, 2005PECOS EnrolledAccepts Medicare Assignment
91.35/100
CMS Quality Rating
3540 SEVEN BRIDGES DR STE 230, WOODRIDGE, IL 60517(630) 964-9400(630) 964-9375 Get Directions Write a Review

NPPES record last updated: March 10, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Walter J Whang Md NPPES

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

WALTER J WHANG MD (NPI 1245217942) is an individual psychiatry provider in Woodridge, Illinois, licensed in Illinois (036081028) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Northeastern Ohio University College Of Medicine (1988).

NPPES Registry Identity

NPI1245217942
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameWALTER J WHANGCredential: MD
Location Address3540 SEVEN BRIDGES DR STE 230Woodridge, IL 60517-1222
Mailing Address3540 Seven Bridges Dr, Ste 230Woodridge, IL 60517-1222 · (630) 964-9400 · Fax (630) 964-9375
Phone(630) 964-9400
Fax(630) 964-9375
Sole ProprietorNo
Medical School CMSNortheastern Ohio University College Of MedicineGraduated 1988
Enumeration DateDecember 23, 2005
Last NPPES UpdateMarch 10, 2009
✔ NPI 1245217942 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IL · 036081028
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
3540 SEVEN BRIDGES DR STE 230, Woodridge, IL 60517
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Other Identifiers 5

Medicaid036081028 1IL
Other2220936IL · Bcbs
Medicare PINP000271554IL
Medicare UPINF27861
Medicare PINK21182IL

Accepted Insurance

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

Walter J Whang 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 ID7315924123
PECOS Enrollment IDI20051007000493
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

2

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

Edward Health Ventures
Same address
Psychiatry
3540 SEVEN BRIDGES DR, STE 230
Woodridge, IL 60517
  • Reassigned Medicare billing, Illinois enrollment
  • 561 clinicians in this Medicare group
NPI 1710938295 (630) 964-9400
Endeavor Health Medical Group
29 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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 7

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.

Therapy using electrical currents 90870
Therapy using electrical currents, also known as electrotherapy, involves applying small electrical pulses to your body to stimulate healing. It can help manage pain, improve circulation, repair tissues, and strengthen muscles. It's a safe, non-invasive treatment often used in physical therapy.
313 services32 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
65 services26 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
50 services43 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.
44 services15 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
39 services22 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
28 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL
4/5 CMS rating
OwnershipProprietary
CMS Certification Number140200
Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County
Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60517 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
$181.38 typical visit price
range $59.81 – $181.38
Typical copayment $45.34 (range $14.95 – $45.34)
Most-billed visit code 99205
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
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.

91.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.71
Promoting Interoperability100
Improvement Activities40

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 Walter Whang's NPI number?

The NPI number for Walter Whang is 1245217942. It was assigned to this individual provider in the NPPES registry on December 23, 2005.

Where is Walter Whang located?

Walter Whang practices at 3540 Seven Bridges Dr Ste 230, Woodridge, IL 60517. The listed phone number is (630) 964-9400.

What is Walter Whang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Walter Whang enrolled in Medicare?

Yes. Walter Whang 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 Walter Whang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walter Whang reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Woodridge, IL) and Endeavor Health Medical Group (Evanston, 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 Walter Whang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Walter Whang accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Walter Whang 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 Walter Whang affiliated with any hospitals?

According to CMS data, Walter Whang is affiliated with Elmhurst Memorial Hospital and Edward Hospital.

When was this NPI record last updated?

The NPPES record for Walter Whang was last updated on March 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.