Karen Blum, CRNA
NPI 1275689853 · Certified Registered Nurse Anesthetist · Sonora, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Blum, CRNA is a Certified Registered Nurse Anesthetist provider in Sonora, CA (NPI 1275689853).
Provider details
- NPI number
- 1275689853
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 95000712 (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
19 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
- 2007-01-26
- Last updated
- 2022-07-18
- Certified
- 2022-07-18
Frequently asked questions
- What is Karen Blum's NPI number?
- Karen Blum's National Provider Identifier (NPI) is 1275689853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Blum's specialty?
- Karen Blum is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Blum located?
- Karen Blum's practice location on file with NPPES is 1000 Greenley Rd, Sonora, CA 95370-5200.
- What is Karen Blum's phone number?
- The practice phone number listed in the NPPES registry for Karen Blum is (209) 536-5000.
- Does Karen Blum accept Medicare?
- Karen Blum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Blum's NPI active?
- Yes — Karen Blum's NPI (1275689853) is active in the NPPES registry as of the last update on 2022-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.