Tammy Petrossian, RD, CSP, CNSD
NPI 1811210511 · Pediatric Nutrition Registered Dietitian · Exeter, CA
Tammy Petrossian, RD, CSP, CNSD is a Pediatric Nutrition Registered Dietitian provider in Exeter, CA (NPI 1811210511).
Provider details
- NPI number
- 1811210511
- Entity type
- Individual
- Primary specialty
- Pediatric Nutrition Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CSP, CNSD
- Sex
- Female
- Sole proprietor
- No
- License
- 816014 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-03-09
- Last updated
- 2010-03-09
Frequently asked questions
- What is Tammy Petrossian's NPI number?
- Tammy Petrossian's National Provider Identifier (NPI) is 1811210511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Petrossian's specialty?
- Tammy Petrossian is listed in the NPPES registry with a primary specialty of Pediatric Nutrition Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Tammy Petrossian located?
- Tammy Petrossian's practice location on file with NPPES is 1014 San Juan Ave, Exeter, CA 93221-1312.
- What is Tammy Petrossian's phone number?
- The practice phone number listed in the NPPES registry for Tammy Petrossian is (559) 592-7360.
- Is Tammy Petrossian's NPI active?
- Yes — Tammy Petrossian's NPI (1811210511) is active in the NPPES registry as of the last update on 2010-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.