WILLIAM MILLS JR. CRNA
NPI 1912159013
Nurse Anesthetist, Certified Registered in Orlando, FL

Active since October 21, 2008Accepts Medicare Assignment
601 E ROLLINS ST, ORLANDO, FL 32803(407) 667-0444(407) 667-4338 Get Directions Write a Review

NPPES record last updated: October 21, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1912159013
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameWILLIAM MILLS JR.Credential: CRNA
Location Address601 E ROLLINS STOrlando, FL 32803-1248
Mailing Address291 Southhall Ln, Suite 201Maitland, FL 32751-7274 · (407) 667-0444 · Fax (407) 667-4338
Fax(407) 667-4338
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateOctober 21, 2008
✔ NPI 1912159013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in FL · ARNP9168366
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
601 E ROLLINS ST, Orlando, FL 32803

Other Identifiers 3

MedicaidPENDINGFL
Medicare PINPENDINGFL
OtherPENDINGFL · Bcbs

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.

PECOS PAC ID2365501145
PECOS Enrollment IDI20081107000647

Medicare Billing Reassignments

5

Medicare 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.

Nurse Anesthetist, Certified Registered
100 N DEAN RD STE 102
Orlando, FL 32825
  • Reassigned Medicare billing, Florida enrollment
  • 29 clinicians in this Medicare group
Anesthesiology
595 N COURTENAY PKWY, 103
Merritt Island, FL 32953
  • Reassigned Medicare billing, Florida enrollment
  • 103 clinicians in this Medicare group
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Florida enrollment
  • 1,887 clinicians in this Medicare group
Anesthesiology
1670 EAGLE HARBOR PKWY
Orange Park, FL 32003
  • Reassigned Medicare billing, Florida enrollment
  • 876 clinicians in this Medicare group
Anesthesiology
77 CASA ST, SUITE 106
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.

New Patient
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Advanced Practice Midwife
601 E ROLLINS ST
ORLANDO, FL 32803
Radiology (Diagnostic Radiology)
601 E ROLLINS ST
ORLANDO, FL 32803
Internal Medicine
601 E ROLLINS ST
ORLANDO, FL 32803
Pediatrics (Neonatal-Perinatal Medicine)
601 E ROLLINS ST
ORLANDO, FL 32803
Nurse Anesthetist, Certified Registered
601 E ROLLINS ST
ORLANDO, FL 32803
Emergency Medicine
601 E ROLLINS ST
ORLANDO, FL 32803
Hospitalist
601 E ROLLINS ST
ORLANDO, FL 32803
Pharmacist
601 E ROLLINS ST
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.