Sylvia Onusic, PHD, MS, CNS, LDN
NPI 1720640378 · Metabolic Nutrition Registered Dietitian · Portage, PA
Sylvia Onusic, PHD, MS, CNS, LDN is a Metabolic Nutrition Registered Dietitian provider in Portage, PA (NPI 1720640378).
Provider details
- NPI number
- 1720640378
- Entity type
- Individual
- Primary specialty
- Metabolic Nutrition Registered DietitianDietary & Nutritional Service Providers
- Credential
- PHD, MS, CNS, LDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- DN005030 (PA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2019-07-03
- Last updated
- 2019-07-03
Frequently asked questions
- What is Sylvia Onusic's NPI number?
- Sylvia Onusic's National Provider Identifier (NPI) is 1720640378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Onusic's specialty?
- Sylvia Onusic is listed in the NPPES registry with a primary specialty of Metabolic Nutrition Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Sylvia Onusic located?
- Sylvia Onusic's practice location on file with NPPES is 1602 Kent St, Portage, PA 15946-2113.
- What is Sylvia Onusic's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Onusic is (814) 502-1688.
- Is Sylvia Onusic's NPI active?
- Yes — Sylvia Onusic's NPI (1720640378) is active in the NPPES registry as of the last update on 2019-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.