Ronald Vasu, MD
NPI 1558381970 · Psychiatry Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Vasu, MD is a Psychiatry Physician provider in Chicago, IL (NPI 1558381970).
Provider details
- NPI number
- 1558381970
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036039369 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2012-11-08
Frequently asked questions
- What is Ronald Vasu's NPI number?
- Ronald Vasu's National Provider Identifier (NPI) is 1558381970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Vasu's specialty?
- Ronald Vasu is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Vasu located?
- Ronald Vasu's practice location on file with NPPES is 233 E Erie St, Chicago, IL 60611-2926.
- What is Ronald Vasu's phone number?
- The practice phone number listed in the NPPES registry for Ronald Vasu is (312) 642-2434.
- Does Ronald Vasu accept Medicare?
- Ronald Vasu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Vasu's NPI active?
- Yes — Ronald Vasu's NPI (1558381970) is active in the NPPES registry as of the last update on 2012-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.