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Mark Willison, MFT
NPI 1770750614 · Mental Health Counselor · Monterey, CA
Mark Willison, MFT is a Mental Health Counselor provider in Monterey, CA (NPI 1770750614).
Provider details
- NPI number
- 1770750614
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC23277 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
200 Camino Aguajito Ste 205
Monterey, CA 93940-3372
Phone: (831) 277-9999
Fax: (831) 272-2396
Street-level locationGet directions
Mailing address
200 Camino Aguajito Ste 205
Monterey, CA 93940-3372
Registry dates
- Enumerated
- 2008-05-09
- Last updated
- 2008-05-09
Frequently asked questions
- What is Mark Willison's NPI number?
- Mark Willison's National Provider Identifier (NPI) is 1770750614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Willison's specialty?
- Mark Willison is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Willison located?
- Mark Willison's practice location on file with NPPES is 200 Camino Aguajito Ste 205, Monterey, CA 93940-3372.
- What is Mark Willison's phone number?
- The practice phone number listed in the NPPES registry for Mark Willison is (831) 277-9999.
- Is Mark Willison's NPI active?
- Yes — Mark Willison's NPI (1770750614) is active in the NPPES registry as of the last update on 2008-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.