HASHEM AYYAD M.D. – NPI #1891075172
Pathology

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Health Care Provider Taxonomy Code for Pathology

HASHEM AYYAD is a pathologist located in SUN CITY, AZ. NPPES has assigned the NPI number 1891075172 to HASHEM AYYAD on August 18, 2011. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. The primary taxonomy selected by this provider is 207ZP0102X from the Health Care Provider Taxonomy code set, which is classified as Pathology, specializing in Anatomic Pathology & Clinical Pathology

The NPI profile was last updated on May 05, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for HASHEM AYYAD below.

NPI Profile for
HASHEM AYYAD

NPI Number
1891075172
Enumeration Date

(about 15 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
HASHEM AYYAD
Credentials
M.D.
Primary location
10401 W THUNDERBIRD BLVD
SUN CITY, AZ 85351-3004
Phone: (602) 685-5211 Fax: (602) 685-5325
2 Other location(s):
1493 Cambridge St
Cambridge, MA 02139-1099
Phone: (617) 665-1846
825 Chalkstone Ave
Providence, RI 02908-4728
Phone: (401) 456-2109
Mailing address
PO BOX 42210
PHOENIX, AZ 85080-2210
Phone: (623) 266-7770 Fax: (623) 322-4639
Sole Proprietor
No
Updated
Certification Date
May 05, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for HASHEM AYYAD

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidAZ534201
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207ZP0102X
- Pathology / Anatomic Pathology & Clinical Pathology (Primary)		 RI MD19976

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
HASHEM AYYAD is affiliated with the following medical group(s):
  • HOSPITAL
    • DIGNITY HEALTH ARIZONA GENERAL HOSPITAL
      9130 EAST ELLIOT ROAD
      MESA, AZ 85212
    • MERCY GILBERT MEDICAL CENTER
      3555 SOUTH VAL VISTA DRIVE
      GILBERT, AZ 85297
    • O.A.S.I.S. HOSPITAL
      750 NORTH 40TH STREET
      PHOENIX, AZ 85008
    • ST. JOSEPH'S HOSPITAL AND MEDICAL CENTER
      350 WEST THOMAS ROAD
      PHOENIX, AZ 85013

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.