CASSIE N WILLIAMS MS, CRNA
NPI 1346813060
Nurse Anesthetist, Certified Registered in Saint Petersburg, FL
About Cassie N Williams Ms, Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE N WILLIAMS MS, CRNA (NPI 1346813060) is an individual nurse anesthetist, certified registered in Saint Petersburg, Florida, licensed in Florida (APRN11019034) and active in the NPI registry since July 2021. She is affiliated with Orlando Health Bayfront Hospital, maintains a secondary practice location in Saint Petersburg, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Cassie N Williams Ms, 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
11Medicare enrollment records show Cassie Williams reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tampa, FL 33614
- Reassigned Medicare billing, Florida enrollment
- 151 clinicians in this Medicare group
Dunedin, FL 34698
- Reassigned Medicare billing, Florida enrollment
- 112 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Florida enrollment
- 1,887 clinicians in this Medicare group
Summerfield, FL 34491
- Reassigned Medicare billing, Florida enrollment
- 19 clinicians in this Medicare group
Orlando, FL 32806
- Reassigned Medicare billing, Florida enrollment
- 3,290 clinicians in this Medicare group
Ocala, FL 34471
- Reassigned Medicare billing, Florida enrollment
- 42 clinicians in this Medicare group
Naples, FL 34119
- Reassigned Medicare billing, Florida enrollment
- 767 clinicians in this Medicare group
Hurst, TX 76054
- Reassigned Medicare billing, Florida enrollment
- 107 clinicians in this Medicare group
Omaha, NE 68124
- Reassigned Medicare billing, Nebraska enrollment
- 271 clinicians in this Medicare group
Norfolk, NE 68701
- Reassigned Medicare billing, Nebraska enrollment
- 252 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Orlando Health Bayfront Hospital
Acute Care Hospitals · Saint Petersburg, FLChi Health Bergan Mercy
Acute Care Hospitals · Omaha, NEFaith Regional Health Services
Acute Care Hospitals · Norfolk, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cassie Williams's NPI number?
The NPI number for Cassie Williams is 1346813060. It was assigned to this individual provider in the NPPES registry on July 20, 2021.
Where is Cassie Williams located?
Cassie Williams practices at 701 6th St S Unit 4235, Saint Petersburg, FL 33701. The listed phone number is (386) 965-7900.
What is Cassie Williams's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Cassie Williams enrolled in Medicare?
Yes. Cassie Williams 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 Cassie Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Williams reassigns Medicare benefits to 11 organizations: Florida Pain Relief Group PLLC (Tampa, FL), Pinellas County Anesthesia Associates, LLC (Dunedin, FL), Anesthesia Dynamics LLC (Bradenton, FL), Greater Ocala Anesthesia Associates LLC (Summerfield, FL), Orlando Health Medical Group Inc (Orlando, FL) and 6 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 Cassie Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassie Williams accept?
Health plans from Blue Cross and Blue Shield of Nebraska, Cigna HealthCare of Florida, Inc., Cigna Healthcare and Oscar Insurance Company list Cassie Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Cassie Williams affiliated with any hospitals?
According to CMS data, Cassie Williams is affiliated with Orlando Health Bayfront Hospital, Chi Health Bergan Mercy and Faith Regional Health Services.
When was this NPI record last updated?
The NPPES record for Cassie Williams was last updated on February 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Cassie N Williams, MS, CRNA · NPI 1346813060
Nurse Anesthetist, Certified Registered physician in Saint Petersburg, Florida. Individual provider, active in the CMS NPPES registry since July 20, 2021.
## Identity
- **NPI:** 1346813060 (Entity type: Individual)
- **Enumerated:** July 20, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** APRN11019034 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 6TH ST S UNIT 4235, Saint Petersburg, FL 33701-4814
- **Phone:** (386) 965-7900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Florida Pain Relief Group PLLC (NPI 1376994608, Tampa, FL); Pinellas County Anesthesia Associates, LLC (NPI 1780253419, Dunedin, FL); Anesthesia Dynamics LLC (NPI 1073001012, Bradenton, FL); Greater Ocala Anesthesia Associates LLC (NPI 1023992625, Summerfield, FL); Orlando Health Medical Group Inc (NPI 1669429577, Orlando, FL); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** February 3, 2025
- **Other identifiers:** Medicaid 114005600 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1346813060) · Data from the CMS NPPES public registry.