Viswanathan Balachandar, MD
NPI 1689627721 · Pediatric Endocrinology Physician · Bethpage, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viswanathan Balachandar, MD is a Pediatric Endocrinology Physician provider in Bethpage, NY (NPI 1689627721).
Provider details
- NPI number
- 1689627721
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 115951 (NY)
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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 350 S BroadwayHicksville, NY 11801-5006Phone: (516) 938-0100Fax: (516) 938-0120
- 640 Hawkins AveLake Ronkonkoma, NY 11779-2324Phone: (631) 737-0100Fax: (631) 471-1117
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2021-02-24
- Certified
- 2021-02-24
Frequently asked questions
- What is Viswanathan Balachandar's NPI number?
- Viswanathan Balachandar's National Provider Identifier (NPI) is 1689627721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viswanathan Balachandar's specialty?
- Viswanathan Balachandar is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Viswanathan Balachandar located?
- Viswanathan Balachandar's practice location on file with NPPES is 1055 Stewart Ave, Bethpage, NY 11714-3596.
- What is Viswanathan Balachandar's phone number?
- The practice phone number listed in the NPPES registry for Viswanathan Balachandar is (516) 938-0100.
- Does Viswanathan Balachandar accept Medicare?
- Viswanathan Balachandar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viswanathan Balachandar's NPI active?
- Yes — Viswanathan Balachandar's NPI (1689627721) is active in the NPPES registry as of the last update on 2021-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.