OrganizationActive
Mario C. Yu MD PC
NPI 1285800409 · Specialist · Oak Brook, IL
Mario C. Yu MD PC is a Specialist organization in Oak Brook, IL (NPI 1285800409).
Provider details
- NPI number
- 1285800409
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Vivien Yu, Office Manager(630) 629-8282
- License
- 036061620 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1919 Midwest Rd
Suite 100
Oak Brook, IL 60523-1365
Phone: (630) 629-8282
Fax: (630) 629-8318
Street-level locationGet directions
Mailing address
1919 Midwest Rd
Oak Brook, IL 60523-1365
Registry dates
- Enumerated
- 2008-05-07
- Last updated
- 2008-05-07
Frequently asked questions
- What is Mario C. Yu MD PC's NPI number?
- Mario C. Yu MD PC's National Provider Identifier (NPI) is 1285800409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mario C. Yu MD PC?
- Mario C. Yu MD PC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Mario C. Yu MD PC located?
- Mario C. Yu MD PC's practice location on file with NPPES is 1919 Midwest Rd, Oak Brook, IL 60523-1365.
- What is Mario C. Yu MD PC's phone number?
- The practice phone number listed in the NPPES registry for Mario C. Yu MD PC is (630) 629-8282.
- Who is the authorized official for Mario C. Yu MD PC?
- The authorized official listed on Mario C. Yu MD PC's NPPES record is Vivien Yu, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mario C. Yu MD PC's NPI active?
- Yes — Mario C. Yu MD PC's NPI (1285800409) is active in the NPPES registry as of the last update on 2008-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.