Geoffrey Langham, M.D.
NPI 1134418098 · Anesthesiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geoffrey Langham, M.D. is a Anesthesiology Physician provider in Stanford, CA (NPI 1134418098).
Provider details
- NPI number
- 1134418098
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A114876 (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
15 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
- 2011-03-31
- Last updated
- 2021-12-17
Frequently asked questions
- What is Geoffrey Langham's NPI number?
- Geoffrey Langham's National Provider Identifier (NPI) is 1134418098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Langham's specialty?
- Geoffrey Langham is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Geoffrey Langham located?
- Geoffrey Langham's practice location on file with NPPES is 300 Pasteur Dr Rm H3580, Stanford, CA 94305-2200.
- What is Geoffrey Langham's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Langham is (650) 723-6415.
- Does Geoffrey Langham accept Medicare?
- Geoffrey Langham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geoffrey Langham's NPI active?
- Yes — Geoffrey Langham's NPI (1134418098) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.