STEVEN E. BLUM DO
NPI 1184772170
Anesthesiology in San Diego, CA
About Steven E. Blum Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN E. BLUM DO (NPI 1184772170) is an individual anesthesiology provider in San Diego, California, licensed in California (20A4472) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Steven E. Blum Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Steven Blum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Mesa, CA 91941
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
Chula Vista, CA 91910
- Reassigned Medicare billing, California enrollment
- 9 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92120
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 Steven Blum's NPI number?
The NPI number for Steven Blum is 1184772170. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Steven Blum located?
Steven Blum practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.
What is Steven Blum's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Steven Blum enrolled in Medicare?
Yes. Steven Blum is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Steven Blum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Blum reassigns Medicare benefits to 2 organizations: Innovative Anesthesia Consultants PC (La Mesa, CA) and Chula Vista Anesthesia Consultants Medical Group Inc (Chula Vista, 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 Steven Blum'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 Steven Blum was last updated on November 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.