Mark Keller
NPI 1821415324 · Certified Registered Nurse Anesthetist · San Diego, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Keller is a Certified Registered Nurse Anesthetist provider in San Diego, CA (NPI 1821415324).
Provider details
- NPI number
- 1821415324
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95000063 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-21
- Last updated
- 2020-02-24
- Certified
- 2020-02-24
Frequently asked questions
- What is Mark Keller's NPI number?
- Mark Keller's National Provider Identifier (NPI) is 1821415324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Keller's specialty?
- Mark Keller is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Keller located?
- Mark Keller's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Mark Keller's phone number?
- The practice phone number listed in the NPPES registry for Mark Keller is (800) 926-8273.
- Does Mark Keller accept Medicare?
- Mark Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Keller's NPI active?
- Yes — Mark Keller's NPI (1821415324) is active in the NPPES registry as of the last update on 2020-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.