MICHAEL WARREN GIBBS MD
NPI 1376595926
Anesthesiology in San Diego, CA
About Michael Warren Gibbs Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL WARREN GIBBS MD (NPI 1376595926) is an individual anesthesiology provider in San Diego, California, licensed in California (A73391) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1998).
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
Michael Warren Gibbs 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
4Medicare enrollment records show Michael Gibbs reassigns Medicare billing to 4 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
- 251 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: Anesthesia Medical Group, P.C.
- 757 clinicians in this Medicare group
Mooresville, IN 46158
- Reassigned Medicare billing, Indiana enrollment
- 13 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 Michael Gibbs's NPI number?
The NPI number for Michael Gibbs is 1376595926. It was assigned to this individual provider in the NPPES registry on May 16, 2006.
Where is Michael Gibbs located?
Michael Gibbs practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Michael Gibbs's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Gibbs enrolled in Medicare?
Yes. Michael Gibbs 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 Michael Gibbs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Gibbs reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA), Anesthesia Medical Group, PC (Nashville, TN) and Pioneer Anesthesia Consultants, LLC (Mooresville, IN). 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 Michael Gibbs'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 Michael Gibbs was last updated on July 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Michael Warren Gibbs, MD · NPI 1376595926
Anesthesiology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 16, 2006.
## Identity
- **NPI:** 1376595926 (Entity type: Individual)
- **Enumerated:** May 16, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A73391 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1356444897, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); Anesthesia Medical Group, PC (NPI 1215932413, Nashville, TN); Pioneer Anesthesia Consultants, LLC (NPI 1477507689, Mooresville, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** July 1, 2019
- **Other identifiers:** Medicaid 200384050 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1376595926) · Data from the CMS NPPES public registry.