Marina Obolnikov, M.D.
NPI 1174732713 · Psychiatry Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marina Obolnikov, M.D. is a Psychiatry Physician provider in Redwood City, CA (NPI 1174732713).
Provider details
- NPI number
- 1174732713
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A91716 (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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 128 | 14 |
| Trazodone Hcl | 119 | 19 |
| Olanzapine | 84 | — |
| Quetiapine Fumarate | 81 | — |
| Risperidone | 75 | — |
| Paliperidone Palmitatebrand: Invega Sustenna | 74 | — |
| Mirtazapine | 64 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-21
- Last updated
- 2020-12-06
- Certified
- 2020-12-06
Frequently asked questions
- What is Marina Obolnikov's NPI number?
- Marina Obolnikov's National Provider Identifier (NPI) is 1174732713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marina Obolnikov's specialty?
- Marina Obolnikov is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marina Obolnikov located?
- Marina Obolnikov's practice location on file with NPPES is 802 Brewster Ave, Redwood City, CA 94063-1510.
- What is Marina Obolnikov's phone number?
- The practice phone number listed in the NPPES registry for Marina Obolnikov is (650) 363-4111.
- Does Marina Obolnikov accept Medicare?
- Marina Obolnikov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marina Obolnikov's NPI active?
- Yes — Marina Obolnikov's NPI (1174732713) is active in the NPPES registry as of the last update on 2020-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.