John Sassone, RD
NPI 1154151207 · Gerontological Nutrition Registered Dietitian · Irvine, CA
John Sassone, RD is a Gerontological Nutrition Registered Dietitian provider in Irvine, CA (NPI 1154151207).
Provider details
- NPI number
- 1154151207
- Entity type
- Individual
- Primary specialty
- Gerontological Nutrition Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
- Pediatric Nutrition Registered Dietitian133VN1004X
Dietary & Nutritional Service Providers
- Renal Nutrition Registered Dietitian133VN1005X
Dietary & Nutritional Service Providers
- Metabolic Nutrition Registered Dietitian133VN1006X
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
- Oncology Nutrition Registered Dietitian133VN1301X
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-08-05
- Last updated
- 2024-08-05
- Certified
- 2024-08-05
Frequently asked questions
- What is John Sassone's NPI number?
- John Sassone's National Provider Identifier (NPI) is 1154151207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sassone's specialty?
- John Sassone is listed in the NPPES registry with a primary specialty of Gerontological Nutrition Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is John Sassone located?
- John Sassone's practice location on file with NPPES is 52 Kazan St, Irvine, CA 92604-2456.
- What is John Sassone's phone number?
- The practice phone number listed in the NPPES registry for John Sassone is (714) 348-8107.
- Is John Sassone's NPI active?
- Yes — John Sassone's NPI (1154151207) is active in the NPPES registry as of the last update on 2024-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.