Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Diane Grabowski-Nepa, RD

Individual provider Registered Dietitian · NPI 1942651500

Diane Grabowski-Nepa, RD is registered under Registered Dietitian OR Nutrition Professional in Santa Rosa Valley, California. Qualified in 1983, 43 years ago. Practices with County of Ventura, a 274-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
43
Licensed in
CA
In the registry since
2016
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

3038 Summit Cir
Santa Rosa Valley, CA 93012-9315 Not confirmed with CMS for 10 years — call before visiting
Phone: (805) 491-2592
Fax: (805) 491-2592
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 687215 (CA)

Record details

NPI number1942651500
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorNo
NPI enumeratedJune 24, 2016
Last updated in NPPESJune 24, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Group practice County Of Ventura — 274 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at County of Ventura

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 274 clinicians in the practice; 12 are shown here.