MR. MARK EDWARD WILLIAMS CRNA
NPI 1447380258
Nurse Anesthetist, Certified Registered in Melbourne, FL

Active since March 07, 2007Accepts Medicare Assignment
1401 S APOLLO BLVD, SUITE B, MELBOURNE, FL 32901(321) 725-5151(321) 725-5157 Get Directions Write a Review

NPPES record last updated: May 19, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. Mark Edward Williams Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MARK EDWARD WILLIAMS CRNA (NPI 1447380258) is an individual nurse anesthetist, certified registered in Melbourne, Florida, licensed in Florida (ARNP9243193) and active in the NPI registry since March 2007. He is a graduate of Other (1998).

NPPES Registry Identity

NPI1447380258
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. MARK EDWARD WILLIAMSCredential: CRNA
Location Address1401 S APOLLO BLVD, SUITE BMelbourne, FL 32901-3179
Mailing Address2160 N Highway A1a, Unit 104Indialantic, FL 32903-2559 · (321) 725-5151 · Fax (321) 725-5157
Fax(321) 725-5157
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateMarch 7, 2007
Last NPPES UpdateMay 19, 2008
✔ NPI 1447380258 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 · ARNP9243193
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.
1401 S APOLLO BLVD, Melbourne, FL 32901

Other Identifiers 3

Medicare PINK4762FL
OtherBCBS G2420FL · Bcbs
Medicare ID-Type UnspecifiedE1063YFL · Crna Cms Id

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

Mr. Mark Edward 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.

PECOS PAC ID1052321783
PECOS Enrollment IDI20060426000282

Medicare Billing Reassignments

2

Medicare enrollment records show Mark Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Ambulatory Surgical
1401 S APOLLO BLVD, SUITE B
Melbourne, FL 32901
  • Reassigned Medicare billing, Florida enrollment
  • 2 clinicians in this Medicare group
Anesthesiology
275 18TH STREET, SUITE 101
Vero Beach, FL 32960
  • Reassigned Medicare billing, Florida enrollment
  • 16 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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
211 services210 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
193 services192 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
180 services180 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
137 services137 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32901 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 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Ambulatory Surgical)
1401 S APOLLO BLVD, SUITE B
MELBOURNE, FL 32901
Internal Medicine (Pulmonary Disease)
1401 S APOLLO BLVD, SUITE A
MELBOURNE, FL 32901
Anesthesiology
1401 S APOLLO BLVD, SUITE B
MELBOURNE, FL 32901
Nurse Anesthetist, Certified Registered
1401 S APOLLO BLVD, SUITE B
MELBOURNE, FL 32901
Internal Medicine (Pulmonary Disease)
1401 S APOLLO BLVD, SUITE A
MELBOURNE, FL 32901
Nurse Anesthetist, Certified Registered
1401 S APOLLO BLVD, SUITE B
MELBOURNE, FL 32901

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 Mark Williams's NPI number?

The NPI number for Mark Williams is 1447380258. It was assigned to this individual provider in the NPPES registry on March 7, 2007.

Where is Mark Williams located?

Mark Williams practices at 1401 S Apollo Blvd Suite B, Melbourne, FL 32901. The listed phone number is (321) 725-5151.

What is Mark Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Mark Williams enrolled in Medicare?

Yes. Mark 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 Mark Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Williams reassigns Medicare benefits to 2 organizations: Melbourne ASC LP (Melbourne, FL) and Vero Anesthesia (Vero Beach, 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 Mark Williams'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 Mark Williams was last updated on May 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.