DR. MICHAEL ALEXANDER GARDINER M.D.
NPI 1205178712
Pediatrics - Pediatric Emergency Medicine in San Diego, CA
About Dr. Michael Alexander Gardiner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ALEXANDER GARDINER M.D. (NPI 1205178712) is an individual pediatric emergency medicine provider in San Diego, California, licensed in California (A124399) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Austin.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael Alexander Gardiner M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Gardiner 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
- 562 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 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Michael Gardiner's NPI number?
The NPI number for Michael Gardiner is 1205178712. It was assigned to this individual provider in the NPPES registry on March 22, 2013. The provider is also known as Michael Alexander Bryant-Gardiner.
Where is Michael Gardiner located?
Michael Gardiner practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-8036.
What is Michael Gardiner's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Michael Gardiner enrolled in Medicare?
Yes. Michael Gardiner is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Gardiner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Gardiner reassigns Medicare benefits to Rady Children's Hospital San Diego (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 Michael Gardiner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Gardiner accept?
Health plans from Blue Cross and Blue Shield of Texas list Michael Gardiner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Michael Gardiner was last updated on July 21, 2022. 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.
# Dr. Michael Alexander Gardiner, M.D. · NPI 1205178712
Pediatric Emergency Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 22, 2013.
## Identity
- **NPI:** 1205178712 (Entity type: Individual)
- **Enumerated:** March 22, 2013
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** A124399 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3020 CHILDRENS WAY, San Diego, CA 92123-4223
- **Phone:** (858) 966-8036
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rady Children's Hospital San Diego (NPI 1669617197, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1205178712) · Data from the CMS NPPES public registry.