Susan Hartz, LMFT
NPI 1851406599 · Marriage & Family Therapist · Santa Rosa, CA
Susan Hartz, LMFT is a Marriage & Family Therapist provider in Santa Rosa, CA (NPI 1851406599).
Provider details
- NPI number
- 1851406599
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC29868 (CA)
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
19 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
- 2006-08-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Susan Hartz's NPI number?
- Susan Hartz's National Provider Identifier (NPI) is 1851406599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Hartz's specialty?
- Susan Hartz is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Susan Hartz located?
- Susan Hartz's practice location on file with NPPES is 4527 Montgomery Dr, Santa Rosa, CA 95409-5363.
- What is Susan Hartz's phone number?
- The practice phone number listed in the NPPES registry for Susan Hartz is (707) 538-2011.
- Is Susan Hartz's NPI active?
- Yes — Susan Hartz's NPI (1851406599) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.