Mary Poon, PSY.D.
NPI 1871971937 · Clinical Psychologist · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Poon, PSY.D. is a Clinical Psychologist provider in San Francisco, CA (NPI 1871971937).
Provider details
- NPI number
- 1871971937
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 27220 (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
11 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
- 2015-05-09
- Last updated
- 2022-02-11
Frequently asked questions
- What is Mary Poon's NPI number?
- Mary Poon's National Provider Identifier (NPI) is 1871971937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Poon's specialty?
- Mary Poon is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Poon located?
- Mary Poon's practice location on file with NPPES is 1235 Mission St Fl 2, San Francisco, CA 94103-2705.
- What is Mary Poon's phone number?
- The practice phone number listed in the NPPES registry for Mary Poon is (415) 558-1320.
- Does Mary Poon accept Medicare?
- Mary Poon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Poon's NPI active?
- Yes — Mary Poon's NPI (1871971937) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.