Heather Diederich
NPI 1366779522 · Mental Health Counselor · San Luis Obispo, CA
Heather Diederich is a Mental Health Counselor provider in San Luis Obispo, CA (NPI 1366779522).
Provider details
- NPI number
- 1366779522
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social 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
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
- 2009-11-09
- Last updated
- 2009-11-09
Frequently asked questions
- What is Heather Diederich's NPI number?
- Heather Diederich's National Provider Identifier (NPI) is 1366779522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Diederich's specialty?
- Heather Diederich is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Heather Diederich located?
- Heather Diederich's practice location on file with NPPES is 277 South St, San Luis Obispo, CA 93401-5039.
- What is Heather Diederich's phone number?
- The practice phone number listed in the NPPES registry for Heather Diederich is (805) 541-5144.
- Is Heather Diederich's NPI active?
- Yes — Heather Diederich's NPI (1366779522) is active in the NPPES registry as of the last update on 2009-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.