Marilyn Sosna, M.D.
NPI 1780637033 · Psychiatry Physician · Tustin, CA
Marilyn Sosna, M.D. is a Psychiatry Physician provider in Tustin, CA (NPI 1780637033).
Provider details
- NPI number
- 1780637033
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A26143 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 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
- 2006-05-18
- Last updated
- 2012-06-28
Frequently asked questions
- What is Marilyn Sosna's NPI number?
- Marilyn Sosna's National Provider Identifier (NPI) is 1780637033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Sosna's specialty?
- Marilyn Sosna is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marilyn Sosna located?
- Marilyn Sosna's practice location on file with NPPES is 2472 Chambers Rd, Tustin, CA 92780-6979.
- What is Marilyn Sosna's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Sosna is (714) 505-1500.
- Is Marilyn Sosna's NPI active?
- Yes — Marilyn Sosna's NPI (1780637033) is active in the NPPES registry as of the last update on 2012-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.