CONSTANCE SUSAN CRISWELL CRNA
NPI 1114905122
Nurse Anesthetist, Certified Registered in Willits, CA
About Constance Susan Criswell Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONSTANCE SUSAN CRISWELL CRNA (NPI 1114905122) is an individual nurse anesthetist, certified registered in Willits, California, licensed in California (3189) and active in the NPI registry since January 2006. She is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Constance Susan Criswell Crna 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
2Medicare enrollment records show Constance Criswell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Willits, CA 95490
- Reassigned Medicare billing, California enrollment
- 134 clinicians in this Medicare group
Ukiah, CA 95482
- Reassigned Medicare billing, California enrollment
- 221 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95490 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLITS, CA 95490
WILLITS, CA 95490
WILLITS, CA 95490
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 Constance Criswell's NPI number?
The NPI number for Constance Criswell is 1114905122. It was assigned to this individual provider in the NPPES registry on January 9, 2006. The provider is also known as Constance Susan Drummond Crna.
Where is Constance Criswell located?
Constance Criswell practices at 1 Madrone St, Willits, CA 95490. The listed phone number is (707) 456-3171.
What is Constance Criswell's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Constance Criswell enrolled in Medicare?
Yes. Constance Criswell 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 Constance Criswell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Constance Criswell reassigns Medicare benefits to 2 organizations: Willits Hospital Inc. (Willits, CA) and Ukiah Adventist Hospital (Ukiah, CA). 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 Constance Criswell'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 Constance Criswell was last updated on June 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Constance Susan Criswell, CRNA · NPI 1114905122
Nurse Anesthetist, Certified Registered physician in Willits, California. Individual provider, active in the CMS NPPES registry since January 9, 2006.
## Identity
- **NPI:** 1114905122 (Entity type: Individual)
- **Enumerated:** January 9, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 3189 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MADRONE ST, Willits, CA 95490-4225
- **Phone:** (707) 456-3171
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Willits Hospital Inc. (NPI 1356339543, Willits, CA); Ukiah Adventist Hospital (NPI 1235120676, Ukiah, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** June 25, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1114905122) · Data from the CMS NPPES public registry.