WILLIAM NASSOUR MD
NPI 1104131820
Internal Medicine in Goodyear, AZ

Q: What is William Nassour's NPI number?

The NPI number for William Nassour is 1104131820. It was assigned to this individual provider in the NPPES registry on August 18, 2010.

Q: What is William Nassour's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for William Nassour was last updated on October 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since August 18, 2010PECOS EnrolledAccepts Medicare Assignment

13555 W MCDOWELL RD STE 205, GOODYEAR, AZ 85395(623) 295-1190(602) 429-8595 Get Directions Write a Review

NPPES record last updated: October 6, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2021, Mar 25, 2016 (2 updates tracked since 2016).

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About William Nassour Md NPPES

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

WILLIAM NASSOUR MD (NPI 1104131820) is an individual internal medicine provider in Goodyear, Arizona, licensed in Arizona (47483) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1104131820

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM NASSOURCredential: MD

Location Address13555 W MCDOWELL RD STE 205Goodyear, AZ 85395-2626

Mailing Address13555 West Mcdowell Rd., Ste. 205Goodyear, AZ 85395-2626 · (623) 295-1190 · Fax (602) 429-8595

Phone(623) 295-1190

Fax(602) 429-8595

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateAugust 18, 2010

Last NPPES UpdateOctober 6, 20212 updates tracked since enumeration

NPPES CertifiedOctober 6, 2021

✔ NPI 1104131820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AZ · 47483

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License 47483 (AZ)

13555 W MCDOWELL RD STE 205, Goodyear, AZ 85395

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Secondary Practice Locations 2

Location 122922 N 40th PlPhoenix, AZ 85050-8742 · Phone (623) 295-1109 · Fax (602) 429-8595

Location 211295 N 99th Ave Apt 5-122Peoria, AZ 85345-5490 · Phone (623) 295-1190 · Fax (602) 429-8595

Other Identifiers 2

Medicaid888134AZ

Other207R00000XAZ · Taxonomy Code

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

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 Nassour Md 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 ID2264668615

PECOS Enrollment IDI20131113002100

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Nassour reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Leading Healthcare Clinic Of Goodyear LLC

Same address

Internal Medicine

13555 W MCDOWELL RD STE 205
Goodyear, AZ 85395

Reassigned Medicare billing, Arizona enrollment
16 clinicians in this Medicare group

NPI 1902448566 (623) 295-1190

Leading Healthcare, LLC

11 mi

Hospitalist

13203 N 103RD AVE STE I-5
Sun City, AZ 85351

Reassigned Medicare billing, Arizona enrollment
64 clinicians in this Medicare group

NPI 1356853691 (623) 295-1190

Banner - University Hospital Based Physicians LLC

16 mi

General Acute Care Hospital

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

Reassigned Medicare billing, Arizona enrollment
728 clinicians in this Medicare group

NPI 1750751566 (602) 747-4000

Desert Wounds, PLLC

17 mi

Internal Medicine

1012 E WILLETTA ST
Phoenix, AZ 85006

Reassigned Medicare billing, Arizona enrollment
7 clinicians in this Medicare group

NPI 1700224482 (480) 907-7707

Banner Hospital Based Physicians Arizona LLC

37 mi

Multi-Specialty

1900 N HIGLEY RD
Gilbert, AZ 85234

Reassigned Medicare billing, Arizona enrollment
1,081 clinicians in this Medicare group

NPI 1124374822 (480) 543-2034

Cogent Healthcare Of Arizona PC

181 mi

Internal Medicine

5700 E HIGHWAY 90
Sierra Vista, AZ 85635

Reassigned Medicare billing, Arizona enrollment
372 clinicians in this Medicare group

NPI 1568758266 (520) 417-4594

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 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

248 services62 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

83 services44 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

74 services45 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

30 services22 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

26 services25 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85395 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 31

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Irrigation tray with bulb or piston syringe, any purpose A4320

DME-Medical/Surgical Supplies · category DA000N

2 suppliers23 claims230 services$4.83 avg. paid by Medicare

Urinary catheter anchoring device, leg strap, each A4334

DME-Orthotic Devices · category DF000N

3 suppliers31 claims31 services$4.61 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

3 suppliers31 claims56 services$9.01 avg. paid by Medicare

Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394

DME-Orthotic Devices · category DF010N

3 suppliers27 claims584 services$2.51 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409

DME-Orthotic Devices · category DF010N

3 suppliers31 claims620 services$5.95 avg. paid by Medicare

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

2 suppliers15 claims3,056 services$0.37 avg. paid by Medicare

Adhesive remover, wipes, any type, each A4456

DME-Medical/Surgical Supplies · category DA000N

3 suppliers19 claims1,000 services$0.23 avg. paid by Medicare

Tracheostomy, inner cannula A4623

DME-Orthotic Devices · category DF000N

2 suppliers18 claims1,053 services$5.38 avg. paid by Medicare

Tracheostomy care kit for established tracheostomy A4629

DME-Orthotic Devices · category DF000N

2 suppliers22 claims665 services$4.46 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each A5063

DME-Orthotic Devices · category DF010N

2 suppliers23 claims460 services$2.62 avg. paid by Medicare

Skin barrier, wipes or swabs, each A5120

DME-Orthotic Devices · category DF010N

3 suppliers19 claims1,000 services$0.21 avg. paid by Medicare

Composite dressing, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6203

DME-Medical/Surgical Supplies · category DA023N

2 suppliers19 claims309 services$3.26 avg. paid by Medicare

Foam dressing, wound cover, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6212

DME-Medical/Surgical Supplies · category DA023N

3 suppliers18 claims309 services$9.41 avg. paid by Medicare

Specialty absorptive dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., without adhesive border, each dressing A6252

DME-Medical/Surgical Supplies · category DA023N

2 suppliers12 claims291 services$3.14 avg. paid by Medicare

Tracheostomy tube collar/holder, each A7526

DME-Orthotic Devices · category DF000N

3 suppliers23 claims712 services$3.27 avg. paid by Medicare

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

1 supplier14 claims411 services$2.66 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier58 claims1,601 services$4.67 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier29 claims15,120 services$0.27 avg. paid by Medicare

Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154

Other-Enteral and Parenteral · category OB006N

1 supplier41 claims21,738 services$0.57 avg. paid by Medicare

Enteral nutrition infusion pump, any type B9002

Other-Enteral and Parenteral · category OB005N

1 supplier34 claims34 services$56.54 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

3 suppliers29 claims29 services$48.69 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

5 suppliers43 claims44 services$17.71 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers27 claims27 services$4.69 avg. paid by Medicare

Respiratory suction pump, home model, portable or stationary, electric E0600

DME-Other DME · category DE000N

4 suppliers15 claims17 services$36.17 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

3 suppliers12 claims12 services$42.46 avg. paid by Medicare

Iv pole E0776

DME-Other DME · category DE000N

1 supplier40 claims40 services$5.80 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

8 suppliers65 claims66 services$84.05 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers13 claims13 services$34.17 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

4 suppliers93 claims97 services$19.01 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

1 supplier15 claims15 services$9.12 avg. paid by Medicare

Tracheostomy speaking valve L8501

DME-Orthotic Devices · category DF000N

1 supplier11 claims11 services$99.72 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

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

HUSSEIN HAIDAR

Nurse Practitioner (Family)