Marina Marchak, MD
NPI 1386684124 · Psychiatry Physician · Atascadero, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marina Marchak, MD is a Psychiatry Physician provider in Atascadero, CA (NPI 1386684124).
Provider details
- NPI number
- 1386684124
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A87782 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-06-08
- Last updated
- 2022-09-12
- Certified
- 2022-09-12
Frequently asked questions
- What is Marina Marchak's NPI number?
- Marina Marchak's National Provider Identifier (NPI) is 1386684124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marina Marchak's specialty?
- Marina Marchak is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marina Marchak located?
- Marina Marchak's practice location on file with NPPES is 10333 El Camino Real, Atascadero, CA 93422-5808.
- What is Marina Marchak's phone number?
- The practice phone number listed in the NPPES registry for Marina Marchak is (805) 468-2000.
- Does Marina Marchak accept Medicare?
- Marina Marchak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marina Marchak's NPI active?
- Yes — Marina Marchak's NPI (1386684124) is active in the NPPES registry as of the last update on 2022-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.