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Sundar Viswanathan, PT
NPI 1366851156 · Specialist · Northport, NY
Sundar Viswanathan, PT is a Specialist provider in Northport, NY (NPI 1366851156).
Provider details
- NPI number
- 1366851156
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- PT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 023410 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
694 Fort Salonga Rd
Suite 2
Northport, NY 11768-3147
Phone: (631) 623-6371
Fax: (866) 246-2954
Street-level locationGet directions
Mailing address
597 Plainview Rd
Plainview, NY 11803-5719
Registry dates
- Enumerated
- 2014-08-06
- Last updated
- 2014-08-06
Frequently asked questions
- What is Sundar Viswanathan's NPI number?
- Sundar Viswanathan's National Provider Identifier (NPI) is 1366851156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sundar Viswanathan's specialty?
- Sundar Viswanathan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sundar Viswanathan located?
- Sundar Viswanathan's practice location on file with NPPES is 694 Fort Salonga Rd, Northport, NY 11768-3147.
- What is Sundar Viswanathan's phone number?
- The practice phone number listed in the NPPES registry for Sundar Viswanathan is (631) 623-6371.
- Is Sundar Viswanathan's NPI active?
- Yes — Sundar Viswanathan's NPI (1366851156) is active in the NPPES registry as of the last update on 2014-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.