ERVIN WILLIAMS CRNA
NPI 1699145417
Anesthesiologist Assistant in Fort Myers, FL
About Ervin Williams Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERVIN WILLIAMS CRNA (NPI 1699145417) is an individual anesthesiologist assistant in Fort Myers, Florida, licensed in Florida (AA289) and active in the NPI registry since October 2015. He is affiliated with Cleveland Clinic Hospital and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Ervin Williams 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
3Medicare enrollment records show Ervin Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weston, FL 33331
- Reassigned Medicare billing, Florida enrollment
- 839 clinicians in this Medicare group
Vero Beach, FL 32966
- Reassigned Medicare billing, Florida enrollment
- 505 clinicians in this Medicare group
Maitland, FL 32751
- Reassigned Medicare billing, Florida enrollment
- 2,356 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cleveland Clinic Hospital
Acute Care Hospitals · Weston, FLMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT MYERS, FL 33901
FORT MYERS, FL 33901
FT MYERS, FL 33901
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 Ervin Williams's NPI number?
The NPI number for Ervin Williams is 1699145417. It was assigned to this individual provider in the NPPES registry on October 6, 2015.
Where is Ervin Williams located?
Ervin Williams practices at 4048 Evans Ave Ste 303, Fort Myers, FL 33901. The listed phone number is (239) 332-5344.
What is Ervin Williams's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Ervin Williams enrolled in Medicare?
Yes. Ervin 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 Ervin Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ervin Williams reassigns Medicare benefits to 3 organizations: Cleveland Clinic Florida A Nonprofit Corporation (Weston, FL), Indian River Health Services Inc (Vero Beach, FL) and Us Anesthesia Partners Of Florida Inc. (Maitland, FL). 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 Ervin Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ervin Williams accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Ervin 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 Ervin Williams affiliated with any hospitals?
According to CMS data, Ervin Williams is affiliated with Cleveland Clinic Hospital.
When was this NPI record last updated?
The NPPES record for Ervin Williams was last updated on October 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Ervin Williams, CRNA · NPI 1699145417
Anesthesiologist Assistant physician in Fort Myers, Florida. Individual provider, active in the CMS NPPES registry since October 6, 2015.
## Identity
- **NPI:** 1699145417 (Entity type: Individual)
- **Enumerated:** October 6, 2015
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** AA289 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 4048 EVANS AVE, STE 303, Fort Myers, FL 33901-9322
- **Phone:** (239) 332-5344 · **Fax:** (239) 332-7246
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cleveland Clinic Florida A Nonprofit Corporation (NPI 1215989298, Weston, FL); Indian River Health Services Inc (NPI 1720319809, Vero Beach, FL); Us Anesthesia Partners Of Florida Inc. (NPI 1518910520, Maitland, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 6, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1699145417) · Data from the CMS NPPES public registry.