Vanessa Chang, MD
NPI 1588673644 · Psychiatry Physician · Kenosha, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vanessa Chang, MD is a Psychiatry Physician provider in Kenosha, WI (NPI 1588673644).
Provider details
- NPI number
- 1588673644
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036-110733 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,105 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 761 | $115 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 258 | $67 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 45 | $120 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 27 | $84 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 14 | $184 |
Typical Medicare-allowed amounts for these services range $67–$184 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 975 | 106 |
| Trazodone Hcl | 784 | 145 |
| Alprazolam | 754 | 94 |
| Clonazepam | 589 | 79 |
| Lamotrigine | 558 | 91 |
| Sertraline Hcl | 519 | 90 |
| Buspirone Hcl | 515 | 89 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Vanessa Chang's NPI number?
- Vanessa Chang's National Provider Identifier (NPI) is 1588673644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vanessa Chang's specialty?
- Vanessa Chang is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Vanessa Chang located?
- Vanessa Chang's practice location on file with NPPES is 10400 75th St, Kenosha, WI 53142-8323.
- What is Vanessa Chang's phone number?
- The practice phone number listed in the NPPES registry for Vanessa Chang is (262) 948-6770.
- Does Vanessa Chang accept Medicare?
- Vanessa Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vanessa Chang's NPI active?
- Yes — Vanessa Chang's NPI (1588673644) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.