Mia Harkness, AMFT
NPI 1518897099 · Mental Health Counselor · Walnut Creek, CA
Mia Harkness, AMFT is a Mental Health Counselor provider in Walnut Creek, CA (NPI 1518897099).
Provider details
- NPI number
- 1518897099
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- AMFT147551 (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
Under 1 yr in 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
- 2026-05-19
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Mia Harkness's NPI number?
- Mia Harkness's National Provider Identifier (NPI) is 1518897099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mia Harkness's specialty?
- Mia Harkness is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mia Harkness located?
- Mia Harkness's practice location on file with NPPES is 1910 Olympic Blvd Ste 365, Walnut Creek, CA 94596-5096.
- What is Mia Harkness's phone number?
- The practice phone number listed in the NPPES registry for Mia Harkness is (877) 676-7634.
- Is Mia Harkness's NPI active?
- Yes — Mia Harkness's NPI (1518897099) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.