Karyn Karp, CRNA
NPI 1164447751 · Certified Registered Nurse Anesthetist · Marysville, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karyn Karp, CRNA is a Certified Registered Nurse Anesthetist provider in Marysville, CA (NPI 1164447751).
Provider details
- NPI number
- 1164447751
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN 336270 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2015-11-30
Frequently asked questions
- What is Karyn Karp's NPI number?
- Karyn Karp's National Provider Identifier (NPI) is 1164447751, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karyn Karp's specialty?
- Karyn Karp is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karyn Karp located?
- Karyn Karp's practice location on file with NPPES is 726 Fourth Street, Marysville, CA 95901-5656.
- What is Karyn Karp's phone number?
- The practice phone number listed in the NPPES registry for Karyn Karp is (530) 749-4300.
- Does Karyn Karp accept Medicare?
- Karyn Karp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karyn Karp's NPI active?
- Yes — Karyn Karp's NPI (1164447751) is active in the NPPES registry as of the last update on 2015-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.