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

Diana Diaz, NP

Individual provider Family Nurse Practitioner · NPI 1396321998

Diana Diaz, NP is a Nurse Practitioner in Petaluma, California. Qualified in 1994, 32 years ago. Practices with Northbay Physicians Surgery Center, LLC, a 337-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
32
Licensed in
CA
In the registry since
2021
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

1179 N McDowell Blvd
Petaluma, CA 94954-6559
Phone: (707) 559-7500
Fax: (707) 559-7620
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5900 State Farm Dr, Rohnert Park, CA 94928-2149 — (707) 559-7600

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95015657 (CA)

Record details

NPI number1396321998
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 23, 2021
Last updated in NPPESMarch 23, 2021
Certification dateMarch 23, 2021
Mailing address1179 N McDowell Blvd, Petaluma, CA 94954-6559

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Northbay Physicians Surgery Center, Llc — 337 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Petaluma