Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1306251343 Individual Practitioner Male Practitioner

Dr. Nicholas Willius , DO

Anesthesiology • Phoenix, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nicholas Willius, DO is a certified Anesthesiology practicing in Phoenix, AZ. With approximately 12 years of clinical experience since completing medical education in 2014, Dr. Willius delivers high-quality medical care to the local community at 1850 N CENTRAL AVE.

Dr. Willius is affiliated with Valley Anesthesiology Consultants Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, anesthesia for total hip replacement, anesthesia for procedure on large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1850 N Central Ave

Phoenix, AZ 850044527

Telephone 6022628900
Fax 6022628890
Associated Practice Facility / Clinic
🏢 Valley Pain Treatment Center Facility NPI 1861551970

Medicare Profile & Education

Medical School

Other

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Phoenix, AZ

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
12 Yrs -12.5 yrs vs City Avg
City Avg: 24.5 Yrs
State Avg: 25.2 Yrs
Regional Practice Density
617 Specialists

Practicing in Phoenix, AZ (1513 Statewide)

Telehealth Adoption Rate
0.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
85.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Willius (12 Years) 12 Yrs
Phoenix Specialty Average (24.5 Years) 24.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
20 20 $1077.30 $149.04
01214 Anesthesia for total hip replacement
12 12 $2347.58 $343.93
00811 Anesthesia for procedure on large bowel using an endoscope
11 11 $931.36 $127.64

Medical Specialties & State Licenses

CMS Verified: 2025-06-19
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License AZ 007556

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License KY R3657

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Hospital & Practice Group Affiliations

Valley Anesthesiology Consultants Inc

3535 N Scottsdale Rd, Scottsdale, AZ 852515625

Phone: 4808824365

Valley Anesthesiology Consultants Inc

9003 E Shea Blvd, Scottsdale, AZ 852606709

Phone: 4803233000

Valley Anesthesiology Consultants Inc

1500 S Dobson Rd, Mesa, AZ 852024722

Phone: 4804123577

Secondary Practice Locations

800 Rose St, Anesthesiology

Lexington, KY 405360001

Phone: 8592180069

800 Rose St, Anesthesiology

Lexington, KY 405360001

Phone: 8592180069

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1003886292

Doctor of Medicine (M.D.)

NPI 1003896713

Doctor of Medicine (M.D.)

NPI 1003905183

Doctor of Osteopathic Medicine (D.O.)

NPI 1013351832

Doctor of Medicine (M.D.)

NPI 1023451820

Doctor of Medicine (M.D.)

Jaime Studtmann , NP

Nurse Practitioner - Family

NPI 1023487907

Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location July 17, 2018

Registered at 1850 N CENTRAL AVE, PHOENIX, AZ 850044527 (Tel: 6022628900)

📍
Updated Business Mailing Address July 17, 2018

Registered at 1850 N CENTRAL AVE, PHOENIX, AZ 850044527 (Tel: 6022628900)

NPI Profile Active July 16, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location July 16, 2015

Registered at 800 ROSE ST, ANESTHESIOLOGY, LEXINGTON, KY 405360001 (Tel: 8592180069)

📍
Updated Business Mailing Address July 16, 2015

Registered at 800 ROSE ST, ANESTHESIOLOGY, LEXINGTON, KY 405360001 (Tel: 8592180069)

👤
Provider Name / Credentials Updated July 16, 2015

Recorded as NICHOLAS WILLIUS, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 16, 2015

Anesthesiology (License #R3657 in KY)

🟢
Initial NPI Registration & Enumeration June 28, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Nicholas Willius. Be the first to share your experience!

Sign in to leave a review for Dr. Nicholas Willius

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1306251343
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 28, 2014
Last Update: June 19, 2025
Sole Proprietor: No

Mailing Address

1850 N Central Ave

Phoenix, AZ 850044527

Phone: 6022628900

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.