MARK KELLER
NPI 1821415324
Nurse Anesthetist, Certified Registered in San Diego, CA
About Mark Keller NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK KELLER (NPI 1821415324) is an individual nurse anesthetist, certified registered in San Diego, California, licensed in California (95000063) and active in the NPI registry since March 2014. He is a graduate of Other (2013).
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 and accepts Medicare assignment
Mark Keller 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
8Medicare enrollment records show Mark Keller reassigns Medicare billing to 8 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
- 112 clinicians in this Medicare group
Chula Vista, CA 91911
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 137 clinicians in this Medicare group
Rancho Mirage, CA 92270
- Reassigned Medicare billing, California enrollment
- 96 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 241 clinicians in this Medicare group
Salinas, CA 93906
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 900 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 Mark Keller's NPI number?
The NPI number for Mark Keller is 1821415324. It was assigned to this individual provider in the NPPES registry on March 21, 2014.
Where is Mark Keller located?
Mark Keller practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Mark Keller's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mark Keller enrolled in Medicare?
Yes. Mark Keller 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 Mark Keller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Keller reassigns Medicare benefits to 8 organizations: Regents Of The University Of California (San Diego, CA), Samantha Polikowski Anesthesia Inc (Chula Vista, CA), Sound Physicians Anesthesiology Of California PC (Murrieta, CA), Mission Nursing Anesthesia, Inc (Rancho Mirage, CA), Darin Rentz Do PC (Redlands, CA) and 3 more organizations, listed in the Medicare section above. 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 Mark Keller'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 Mark Keller was last updated on February 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mark Keller · NPI 1821415324
Nurse Anesthetist, Certified Registered physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 21, 2014.
## Identity
- **NPI:** 1821415324 (Entity type: Individual)
- **Enumerated:** March 21, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95000063 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1265535702, San Diego, CA); Samantha Polikowski Anesthesia Inc (NPI 1851157028, Chula Vista, CA); Sound Physicians Anesthesiology Of California PC (NPI 1699408229, Murrieta, CA); Mission Nursing Anesthesia, Inc (NPI 1932571551, Rancho Mirage, CA); Darin Rentz Do PC (NPI 1689321747, Redlands, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** February 24, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1821415324) · Data from the CMS NPPES public registry.