DR. LANCE L ALTENAU M.D.
NPI 1144333436
Neurological Surgery in San Diego, CA
About Dr. Lance L Altenau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LANCE L ALTENAU M.D. (NPI 1144333436) is an individual neurological surgery provider in San Diego, California, licensed in California (C38631) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Lance L Altenau M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lance Altenau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Lance Altenau's NPI number?
The NPI number for Lance Altenau is 1144333436. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Lance Altenau located?
Lance Altenau practices at 2100 5th Ave Ste 200, San Diego, CA 92101. The listed phone number is (619) 297-4481.
What is Lance Altenau's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Lance Altenau enrolled in Medicare?
Yes. Lance Altenau is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lance Altenau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lance Altenau reassigns Medicare benefits to Emergency And Acute Care Medical Corporation (San Diego, CA). The 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 Lance Altenau'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 Lance Altenau was last updated on January 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.