Martin Stienen, MD
NPI 1912482365 · Neurological Surgery Physician · Stanford, CA
Martin Stienen, MD is a Neurological Surgery Physician provider in Stanford, CA (NPI 1912482365).
Provider details
- NPI number
- 1912482365
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- F564 (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
7 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
- 2018-10-02
- Last updated
- 2018-10-02
Frequently asked questions
- What is Martin Stienen's NPI number?
- Martin Stienen's National Provider Identifier (NPI) is 1912482365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Stienen's specialty?
- Martin Stienen is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Stienen located?
- Martin Stienen's practice location on file with NPPES is Department of Neurosurgery,stanford University Hospital, Stanford, CA 94305.
- What is Martin Stienen's phone number?
- The practice phone number listed in the NPPES registry for Martin Stienen is (650) 721-3972.
- Is Martin Stienen's NPI active?
- Yes — Martin Stienen's NPI (1912482365) is active in the NPPES registry as of the last update on 2018-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.