Vidhya Viswanathan, MD
NPI 1588874069 · Pediatric Endocrinology Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vidhya Viswanathan, MD is a Pediatric Endocrinology Physician provider in Oak Lawn, IL (NPI 1588874069).
Provider details
- NPI number
- 1588874069
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036128085 (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
2 documented practice locations
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
Additional practice locations (1)
- 9555 S 52nd AveOak Lawn, IL 60453-3054Phone: (708) 684-5437
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2022-05-12
- Certified
- 2022-05-12
Frequently asked questions
- What is Vidhya Viswanathan's NPI number?
- Vidhya Viswanathan's National Provider Identifier (NPI) is 1588874069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vidhya Viswanathan's specialty?
- Vidhya Viswanathan is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Vidhya Viswanathan located?
- Vidhya Viswanathan's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453-2600.
- What is Vidhya Viswanathan's phone number?
- The practice phone number listed in the NPPES registry for Vidhya Viswanathan is (708) 684-5670.
- Does Vidhya Viswanathan accept Medicare?
- Vidhya Viswanathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vidhya Viswanathan's NPI active?
- Yes — Vidhya Viswanathan's NPI (1588874069) is active in the NPPES registry as of the last update on 2022-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.