DR. LANCE L ALTENAU M.D.
NPI 1144333436
Neurological Surgery in San Diego, CA

Active since August 17, 2006PECOS Enrolled
2100 5TH AVE, STE 200, SAN DIEGO, CA 92101(619) 297-4481(619) 291-5536 Get Directions Write a Review

NPPES record last updated: January 6, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1144333436
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. LANCE L ALTENAUCredential: M.D.
Location Address2100 5TH AVE, STE 200San Diego, CA 92101-2102
Mailing Address8010 Frost St, Ste 414San Diego, CA 92123-4235 · (619) 297-4481
Fax(619) 291-5536
Sole ProprietorNo
Enumeration DateAugust 17, 2006
Last NPPES UpdateJanuary 6, 2017
✔ NPI 1144333436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · C38631
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
2100 5TH AVE, San Diego, CA 92101

Other Identifiers 3

Medicare PINWC38631BCA
Medicare PINWC38631GCA
Medicare UPINA36970CA

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Emergency Medicine
7901 FROST ST
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.

New Patient
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Neurological Surgery
2100 5TH AVE, STE 200
SAN DIEGO, CA 92101

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.