WILLIAM MILLS JR. CRNA
NPI 1912159013
Nurse Anesthetist, Certified Registered in Orlando, FL
About William Mills Jr. Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MILLS JR. CRNA (NPI 1912159013) is an individual nurse anesthetist, certified registered in Orlando, Florida, licensed in Florida (ARNP9168366) and active in the NPI registry since October 2008. He is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
William Mills Jr. 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
5Medicare enrollment records show William Mills reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orlando, FL 32825
- Reassigned Medicare billing, Florida enrollment
- 29 clinicians in this Medicare group
Merritt Island, FL 32953
- Reassigned Medicare billing, Florida enrollment
- 103 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Florida enrollment
- 1,887 clinicians in this Medicare group
Orange Park, FL 32003
- Reassigned Medicare billing, Florida enrollment
- 876 clinicians in this Medicare group
San Luis Obispo, CA 93405
- Reassigned Medicare billing, California enrollment
- 19 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32803 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORLANDO, FL 32803
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 William Mills's NPI number?
The NPI number for William Mills is 1912159013. It was assigned to this individual provider in the NPPES registry on October 21, 2008.
Where is William Mills located?
William Mills practices at 601 E Rollins St, Orlando, FL 32803. The listed phone number is (407) 667-0444.
What is William Mills's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Mills enrolled in Medicare?
Yes. William Mills 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 William Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mills reassigns Medicare benefits to 5 organizations: Orange County Anesthesia Associates, LLC (Orlando, FL), Space Coast Anesthesia Services LLC (Merritt Island, FL), Anesthesia Dynamics LLC (Bradenton, FL), Fleming Island Anesthesia LLC (Orange Park, FL) and Amsurg San Luis Obispo Anesthesia, LLC (San Luis Obispo, 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 William Mills'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 William Mills was last updated on October 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.