Stephanie Cizek, MD
NPI 1346582921 · Gynecology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Cizek, MD is a Gynecology Physician provider in Stanford, CA (NPI 1346582921).
Provider details
- NPI number
- 1346582921
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A135224 (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 tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$188 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2425 Geary BlvdSan Francisco, CA 94115-3358Phone: (415) 833-9183
Registry dates
- Enumerated
- 2013-03-21
- Last updated
- 2024-04-24
- Certified
- 2024-04-24
Frequently asked questions
- What is Stephanie Cizek's NPI number?
- Stephanie Cizek's National Provider Identifier (NPI) is 1346582921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Cizek's specialty?
- Stephanie Cizek is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Cizek located?
- Stephanie Cizek's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Stephanie Cizek's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Cizek is (650) 723-4000.
- Does Stephanie Cizek accept Medicare?
- Stephanie Cizek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Cizek's NPI active?
- Yes — Stephanie Cizek's NPI (1346582921) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.