Dr. Joyce Giammattei Drph, Rd, Cde
About this NPIWhat this record shows.
NPI 1194861450 is registered to Dr. Joyce Giammattei Drph, Rd, Cde, a Metabolic Nutrition Registered Dietitian practising at 430 W Napa St Ste F in Sonoma, California. Metabolic Nutrition Registered Dietitian is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Joyce Giammattei Drph, Rd, Cde has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20040701001090Registered Dietitian or Nutrition ProfessionalCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Joyce Giammattei Drph, Rd, Cde accepts. To confirm in-network status with your specific health plan, contact Dr. Joyce Giammattei Drph, Rd, Cde directly at (707) 939-6070.
Frequently asked
Yes. NPI 1194861450 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Metabolic Nutrition Registered Dietitian is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (707) 939-6070.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Joyce Giammattei Drph, Rd, Cde is a Type-1 individual NPI.