Mariana Schmajuk, MD
NPI 1275808479 · Psychiatry Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariana Schmajuk, MD is a Psychiatry Physician provider in Stanford, CA (NPI 1275808479).
Provider details
- NPI number
- 1275808479
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A149494 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-03-21
- Last updated
- 2024-04-30
- Certified
- 2024-04-30
Frequently asked questions
- What is Mariana Schmajuk's NPI number?
- Mariana Schmajuk's National Provider Identifier (NPI) is 1275808479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariana Schmajuk's specialty?
- Mariana Schmajuk is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mariana Schmajuk located?
- Mariana Schmajuk's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Mariana Schmajuk's phone number?
- The practice phone number listed in the NPPES registry for Mariana Schmajuk is (650) 723-4000.
- Does Mariana Schmajuk accept Medicare?
- Mariana Schmajuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariana Schmajuk's NPI active?
- Yes — Mariana Schmajuk's NPI (1275808479) is active in the NPPES registry as of the last update on 2024-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.