MARIA ALCORN
NPI 1689233546
Social Worker - Clinical in San Diego, CA
About Maria Alcorn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA ALCORN (NPI 1689233546) is an individual clinical provider in San Diego, California, licensed in California (109289) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Maria Alcorn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maria Alcorn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92101
- Reassigned Medicare billing, California enrollment
- 147 clinicians in this Medicare group
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92101
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 Maria Alcorn's NPI number?
The NPI number for Maria Alcorn is 1689233546. It was assigned to this individual provider in the NPPES registry on June 12, 2019.
Where is Maria Alcorn located?
Maria Alcorn practices at 545 Laurel St, San Diego, CA 92101. The listed phone number is (619) 233-4399.
What is Maria Alcorn's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Maria Alcorn enrolled in Medicare?
Yes. Maria Alcorn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maria Alcorn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Alcorn reassigns Medicare benefits to 2 organizations: Community Research Foundation Inc (San Diego, CA) and Grow Healthcare Group PC (San Jose, 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 Maria Alcorn'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 Maria Alcorn was last updated on January 12, 2023. 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.