DR. GEOFFREY EDWIN LANGHAM M.D.
NPI 1134418098
Anesthesiology in Stanford, CA
About Dr. Geoffrey Edwin Langham M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFFREY EDWIN LANGHAM M.D. (NPI 1134418098) is an individual anesthesiology provider in Stanford, California, licensed in California (A114876) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2009).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Geoffrey Edwin Langham M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Geoffrey Langham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 112 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Geoffrey Langham's NPI number?
The NPI number for Geoffrey Langham is 1134418098. It was assigned to this individual provider in the NPPES registry on March 31, 2011.
Where is Geoffrey Langham located?
Geoffrey Langham practices at 300 Pasteur Dr Rm H3580 Stanford Medical Center Department Of Anesthesia, Stanford, CA 94305. The listed phone number is (650) 723-6415.
What is Geoffrey Langham's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Geoffrey Langham enrolled in Medicare?
Yes. Geoffrey Langham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Geoffrey Langham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Langham reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and Regents Of The University Of California (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Geoffrey Langham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Geoffrey Langham was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Geoffrey Edwin Langham, M.D. · NPI 1134418098
Anesthesiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 31, 2011.
## Identity
- **NPI:** 1134418098 (Entity type: Individual)
- **Enumerated:** March 31, 2011
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A114876 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR RM H3580, STANFORD MEDICAL CENTER DEPARTMENT OF ANESTHESIA, Stanford, CA 94305-2200
- **Phone:** (650) 723-6415
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); Regents Of The University Of California (NPI 1265535702, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2009
## Record status
- **NPPES last updated:** December 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1134418098) · Data from the CMS NPPES public registry.