Mary Lounsbury, PH.D
NPI 1861402539 · Psychologist · Monterey, CA
Mary Lounsbury, PH.D is a Psychologist provider in Monterey, CA (NPI 1861402539).
Provider details
- NPI number
- 1861402539
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 6958 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
- 2006-08-08
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mary Lounsbury's NPI number?
- Mary Lounsbury's National Provider Identifier (NPI) is 1861402539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lounsbury's specialty?
- Mary Lounsbury is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Lounsbury located?
- Mary Lounsbury's practice location on file with NPPES is 23625 Holman Hwy, Monterey, CA 93940-5902.
- What is Mary Lounsbury's phone number?
- The practice phone number listed in the NPPES registry for Mary Lounsbury is (831) 624-5311.
- Is Mary Lounsbury's NPI active?
- Yes — Mary Lounsbury's NPI (1861402539) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.