MIGUEL ALEJANDRO CASILLAS MD
NPI 1053676395
Family Medicine in San Diego, CA
About Miguel Alejandro Casillas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIGUEL ALEJANDRO CASILLAS MD (NPI 1053676395) is an individual family medicine provider in San Diego, California, licensed in California (A119653) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Miguel Alejandro Casillas Md 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 Miguel Casillas 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 92103
- Reassigned Medicare billing, California enrollment
- 526 clinicians in this Medicare group
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 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 92103 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 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Miguel Casillas's NPI number?
The NPI number for Miguel Casillas is 1053676395. It was assigned to this individual provider in the NPPES registry on July 12, 2012.
Where is Miguel Casillas located?
Miguel Casillas practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (619) 543-5476.
What is Miguel Casillas's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Miguel Casillas enrolled in Medicare?
Yes. Miguel Casillas 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 Miguel Casillas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Miguel Casillas reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (San Diego, CA) and Southern California Permanente Medical Group (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 Miguel Casillas'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 Miguel Casillas was last updated on December 6, 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.
# Miguel Alejandro Casillas, MD · NPI 1053676395
Family Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since July 12, 2012.
## Identity
- **NPI:** 1053676395 (Entity type: Individual)
- **Enumerated:** July 12, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A119653 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (619) 543-5476
## 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): Regents Of The University Of California (NPI 1003934803, San Diego, CA); Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** December 6, 2021
- **Other identifiers:** Other A119653 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1053676395) · Data from the CMS NPPES public registry.