Walter Whang, MD
NPI 1245217942 · Psychiatry Physician · Woodridge, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Whang, MD is a Psychiatry Physician provider in Woodridge, IL (NPI 1245217942).
Provider details
- NPI number
- 1245217942
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036081028 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
562 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Using Electrical Currents90870 | 313 | $109 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 65 | $96 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 50 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $96 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 39 | $83 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 28 | $60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 108 | 20 |
| Alprazolam | 95 | 16 |
| Clonazepam | 93 | 14 |
| Lorazepam | 76 | 14 |
| Trazodone Hcl | 67 | 11 |
| Olanzapine | 65 | — |
| Escitalopram Oxalate | 48 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-23
- Last updated
- 2009-03-10
Frequently asked questions
- What is Walter Whang's NPI number?
- Walter Whang's National Provider Identifier (NPI) is 1245217942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Whang's specialty?
- Walter Whang is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Whang located?
- Walter Whang's practice location on file with NPPES is 3540 Seven Bridges Dr Ste 230, Woodridge, IL 60517-1222.
- What is Walter Whang's phone number?
- The practice phone number listed in the NPPES registry for Walter Whang is (630) 964-9400.
- Does Walter Whang accept Medicare?
- Walter Whang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Whang's NPI active?
- Yes — Walter Whang's NPI (1245217942) is active in the NPPES registry as of the last update on 2009-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.