Active NPI 1336170356 Individual Practitioner Male Practitioner

Dr. Mark A Wix , MD

Anesthesiology • Phoenix, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Wix, MD is a certified Anesthesiology practicing in Phoenix, AZ. With approximately 40 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 1986, Dr. Wix delivers high-quality medical care to the local community at 250 E DUNLAP AVE.

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

Frequently performed procedures and clinical services include insertion of artery tube for blood sampling or infusion through skin, anesthesia for procedure on spine and spinal cord, injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve). Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

250 E Dunlap Ave

Phoenix, AZ 85020

Telephone 6022739333

Fax 4806099350

Associated Practice Facility / Clinic

🏢 Emcare - Pnx Emergency Physicians Llc Facility NPI 1902855992

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Phoenix, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +15.5 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

84.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wix (40 Years) 40 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
36620 Insertion of artery tube for blood sampling or infusion through skin	19	16	$192.00	$44.62
00670 Anesthesia for procedure on spine and spinal cord	17	14	$6233.12	$921.88
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	11	11	$239.41	$67.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00670 Anesthesia for procedure on spine and spinal cord	18	16	$9807.83	$791.06
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	17	17	$1336.47	$62.79
36620 Insertion of artery tube for blood sampling or infusion through skin	14	12	$650.00	$42.95
01402 Anesthesia for procedure for total knee joint replacement	11	11	$3735.00	$293.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	19	19	$492.63	$30.29
00142 Anesthesia for lens surgery	13	13	$1857.92	$140.31
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	13	13	$1300.00	$51.64
01402 Anesthesia for procedure for total knee joint replacement	12	12	$4253.75	$346.33
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$650.00	$41.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	24	24	$490.29	$30.99
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	16	16	$1316.13	$52.87
36620 Insertion of artery tube for blood sampling or infusion through skin	16	15	$535.25	$44.37
00670 Anesthesia for procedure on spine and spinal cord	15	13	$9897.87	$825.64
01402 Anesthesia for procedure for total knee joint replacement	14	14	$4393.07	$358.62
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	12	12	$2386.25	$192.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	41	41	$1803.73	$148.22
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	20	20	$483.25	$32.13
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	15	15	$1738.00	$54.45
00670 Anesthesia for procedure on spine and spinal cord	13	12	$10553.77	$922.88
36620 Insertion of artery tube for blood sampling or infusion through skin	13	13	$210.00	$45.53
01402 Anesthesia for procedure for total knee joint replacement	12	12	$4067.00	$351.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	43	38	$1708.26	$135.86
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	26	26	$486.42	$31.88
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	21	21	$1885.29	$154.25
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	18	18	$1738.00	$66.72
01402 Anesthesia for procedure for total knee joint replacement	16	16	$3859.50	$325.61
00670 Anesthesia for procedure on spine and spinal cord	13	13	$9002.31	$770.08
01400 Anesthesia for other procedure or exam of knee joint using an endoscope	11	11	$2422.09	$203.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	71	62	$1753.52	$141.39
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	20	20	$1942.20	$156.94
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	14	14	$1867.50	$152.57
00910 Anesthesia for other procedure on urinary system through urethra	11	11	$2037.27	$167.03
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	11	11	$497.00	$32.19
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	11	11	$3418.09	$286.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	30	30	$273.37	$31.47
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	26	26	$1301.15	$63.80
01402 Anesthesia for procedure for total knee joint replacement	25	25	$4074.56	$345.36
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	16	16	$3733.63	$311.58
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	12	12	$1559.33	$60.89
01630 Anesthesia for open or endoscopic procedure at upper arm and shoulder joint including	12	12	$3451.00	$278.15
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	11	11	$3483.45	$285.69
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	11	11	$2271.82	$185.85
01400 Anesthesia for other procedure or exam of knee joint using an endoscope	11	11	$2293.45	$190.33

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License AZ 19315

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

250 E Dunlap Ave, Phoenix, AZ 850202825

Phone: 6029432381

Valley Anesthesiology Consultants Inc

1500 S Dobson Rd, Mesa, AZ 852024722

Phone: 4804123577

Valley Anesthesiology Consultants Inc

19829 N 27th Ave, Phoenix, AZ 850274001

Phone: 6238796100

Practice Associates & Co-Workers

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

23 Associated Practitioners

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Doctor of Medicine (M.D.)

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Doctor of Medicine (M.D.)

Dr. James Fredenberg , MD

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Doctor of Medicine (M.D.)

Dr. Orest Gulka , MD

Surgery

NPI 1255373379

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active May 16, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location May 16, 2008

Registered at 250 E DUNLAP AVE, PHOENIX, AZ 85020 (Tel: 6022739333)

📍

Updated Business Mailing Address May 16, 2008

Registered at PO BOX 13385, SCOTTSDALE, AZ 852673385 (Tel: 4806099300)

👤

Provider Name / Credentials Updated May 16, 2008

Recorded as MARK WIX, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 16, 2008

Anesthesiology (License #19315 in AZ)

🟢

Initial NPI Registration & Enumeration July 06, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1336170356

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 06, 2006

Last Update: May 16, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 13385

Scottsdale, AZ 852673385

Phone: 4806099300

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.