Active NPI 1831297126 Individual Practitioner Male Practitioner

Dr. Asser M Youssef , MD

Surgery • Mesa, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Asser Youssef, MD is a certified Surgery practicing in Mesa, AZ. With approximately 34 years of clinical experience since completing medical education in 1992, Dr. Youssef delivers high-quality medical care to the local community at 4135 S POWER RD STE 117.

Dr. Youssef accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, removal of gallbladder with x-ray study of bile ducts 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

4135 S Power Rd Ste 117

Mesa, AZ 852123625

Telephone 4803507905

Associated Practice Facility / Clinic

🏢 General & Robotic Surgical Associates Pllc Facility NPI 1619434081

Medicare Profile & Education

Medical School

Other

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Mesa, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +8.5 yrs vs City Avg

City Avg: 25.5 Yrs

State Avg: 23.6 Yrs

Regional Practice Density

52 Specialists

Practicing in Mesa, AZ (801 Statewide)

Telehealth Adoption Rate

3.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Youssef (34 Years) 34 Yrs

Mesa Specialty Average (25.5 Years) 25.5 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	60	25	$417.00	$75.29
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	56	55	$783.00	$124.66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	51	21	$380.00	$113.44
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	23	23	$2441.00	$686.90
99213 Established patient office or other outpatient visit, typically 15 minutes	21	15	$291.00	$84.24
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$650.00	$165.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	11	$450.00	$123.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	75	34	$380.00	$115.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	58	54	$650.00	$168.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	12	$450.00	$123.66
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$2441.00	$695.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	75	38	$380.00	$99.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	65	$650.00	$192.10
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	17	17	$2441.00	$688.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	14	$450.00	$125.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	203	81	$575.07	$101.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	104	103	$1079.85	$196.15
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$291.00	$89.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	221	86	$600.00	$102.69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	129	123	$1158.00	$201.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	19	$450.00	$107.25
47562 Removal of gallbladder using an endoscope	19	19	$3141.00	$649.18
97605 Therapy procedure using a special bandage and vacuum pump, surface area 50.0 sq cm or less	14	13	$250.00	$24.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	87	26	$396.41	$72.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	48	$1158.00	$201.45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$527.79	$129.15
47562 Removal of gallbladder using an endoscope	11	11	$3141.00	$594.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	54	37	$233.20	$69.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	37	$403.84	$130.76
99221 Initial hospital inpatient care per day, typically 30 minutes	25	25	$293.96	$94.15
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	21	$118.43	$37.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	32	$245.00	$71.37
99291 Critical care, first 30-74 minutes	31	19	$790.61	$220.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$441.31	$135.08
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	11	$137.60	$38.75
97605 Therapy procedure using a special bandage and vacuum pump, surface area 50.0 sq cm or less	13	11	$79.23	$24.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$712.69	$200.10
99221 Initial hospital inpatient care per day, typically 30 minutes	12	11	$307.83	$100.05

Medical Specialties & State Licenses

CMS Verified: 2026-06-11

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License AZ 48584

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Trauma Surgery

NUCC Taxonomy Code: 2086S0127X

State License AZ 48584

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

890347 (AZ)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Brian Ju , MD

Surgery

NPI 1194780262

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

📍

Updated Practice Location June 11, 2026

Registered at 4135 S POWER RD STE 117, MESA, AZ 852123625 (Tel: 4803507905)

📍

Updated Practice Location September 13, 2022

Registered at 2080 W. SOUTHERN AVE, SUITE B-1, APACHE JUNCTION, AZ 85120 (Tel: 4803507905)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 13, 2022

Surgery (License #48584 in AZ)

📍

Updated Practice Location October 04, 2020

Registered at 2860 S ALMA SCHOOL RD STE 33, CHANDLER, AZ 852864395 (Tel: 4803507905)

📍

Updated Business Mailing Address October 04, 2020

Registered at PO BOX 1479, CHANDLER, AZ 852441479 (Tel: 9175721129)

✅

NPI Profile Active February 04, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 04, 2015

Registered at 485 S DOBSON RD STE 201, CHANDLER, AZ 852245604 (Tel: 4807284700)

📍

Updated Business Mailing Address February 04, 2015

Registered at FILE 56765, LOS ANGELES, CA 900746765 (Tel: 6024063860)

👤

Provider Name / Credentials Updated February 04, 2015

Recorded as ASSER YOUSSEF, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 04, 2015

Surgery (License #48584 in AZ)

🟢

Initial NPI Registration & Enumeration September 20, 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: 1831297126

Entity Type:

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

Enumeration Date: September 20, 2006

Last Update: June 11, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 1479

Chandler, AZ 852441479

Phone: 9175721129

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.