Active NPI
Hashem Ayyad, M.D.
- Anatomic Pathology & Clinical Pathology Physician
- Sun City, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anatomic Pathology & Clinical Pathology Physician
- License
- 57974
- Practice address
- 10401 W Thunderbird Blvd
Sun City, AZ 85351-3004 - Phone
- (602) 685-5211
- Fax
- (602) 685-5325
- NPI assigned
- Aug 18, 2011
- Last updated
- May 5, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | MD19976 | RI | |
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | 57974 | AZ | Primary |
Addresses
Primary practice location
10401 W Thunderbird Blvd
Sun City, AZ 85351-3004
Mailing address
PO Box 42210
Phoenix, AZ 85080-2210
Phone (623) 266-7770
Other practice location 1
825 Chalkstone Ave
Providence, RI 02908-4728
Phone (401) 456-2109
Other practice location 2
1493 Cambridge St
Cambridge, MA 02139-1099
Phone (617) 665-1846
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 534201 | Medicaid | AZ |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ, RI, MA, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Pathology
- Education
- Other, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1493 Cambridge St
Cambridge, MA 02139-1047
Phone (617) 665-1000
320 Pomfret St
Putnam, CT 06260-1836
Phone 86092865412452
363 Highland Ave
Fall River, MA 02720-3703
Phone (508) 679-7168
825 Chalkstone Ave
Providence, RI 02908-4728
Phone (401) 456-2109
Hospital & facility affiliations
- Cambridge Health Alliance
- Roger Williams Medical Center
- Our Lady of Fatima Hospital
- South County Hospital Inc
- Southcoast Hospitals Group
Merit-based Incentive Payment System (MIPS)
- Final score
- 94.64 of 100
- Quality
- 85
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 57974 | AZ | MD | Anatomic Pathology & Clinical Pathology Physician |
| MD19976 | RI | MD | Anatomic Pathology & Clinical Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The General Hospital Corporation | Current | Accepting new patients | |
| Pathology Specialist of Arizona, LLP | Anatomic Pathology & Clinical Pathology | Current | Accepting new patients |
| St Josephs Pathology | Clinical Pathology | Current | Accepting new patients |
| Cambridge Public Health Commission | Current | Accepting new patients | |
| University Pathologists, LLC | Clinical Pathology | Current | Accepting new patients |
| Massachusetts General Physicians Organization Inc | Anatomic Pathology & Clinical Pathology | Current | Accepting new patients |
| Cambridge Public Health Commission | Current | Accepting new patients | |
| University Pathologists Diagnostics LLC | Past | Accepting new patients |
Locations
7300 N 99th Ave
Glendale, AZ 85307
Phone (480) 339-5001
1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000
350 W Thomas Rd
Phoenix, AZ 85013
Phone (480) 339-5001
10401 W Thunderbird Blvd
Sun City, AZ 85351
Phone (623) 815-7690
14502 W Meeker Blvd
Sun City West, AZ 85375
Phone (623) 214-4000
1255 W Washington St
Tempe, AZ 85288
Phone 602685521145166
320 Pomfret St
Putnam, CT 06260
Phone (860) 963-6331
55 Fruit St
Boston, MA 02114
55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967
1493 Cambridge St
Cambridge, MA 02139
Phone (617) 665-1185
103 Garland St
Everett, MA 02149
Phone (617) 381-7150
363 Highland Ave
Fall River, MA 02720
Phone (508) 679-7052
67 Slades Ferry Ave
Ste 6720
Somerset, MA 02726
Phone (401) 921-0252
825 Chalkstone Ave
Providence, RI 02908
Phone (401) 456-2000
Interoperability endpoints
- hayyad124387@direct.challiance.masshiway.net
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Cambridge Health Alliance
- General Acute Care Hospital
- Cambridge, MA
- NPI 1932313228
-
- Anatomic Pathology Physician
- Providence, RI
- NPI 1568640886
Clinical Pathology, CT, MA
-
dba Pathology Specialist of Arizona
- Anatomic Pathology & Clinical Pathology Physician
- Phoenix, AZ
- NPI 1174503999
-
dba Pathology Associates LTD
- Anatomic Pathology & Clinical Pathology Physician
- Phoenix, AZ
- NPI 1265407738
-
- Dermatology Physician
- Boston, MA
- NPI 1801874573
Anatomic Pathology & Clinical Pathology
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
-
dba Cambridge Health Alliance
- General Acute Care Hospital
- Cambridge, MA
- NPI 1487603585
-
- Clinical Medical Laboratory
- Somerset, MA
- NPI 1881916682
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Cambridge Health Alliance
- General Acute Care Hospital
- Cambridge, MA
- NPI 1487603585
-
dba Roger Williams Medical Center
- General Acute Care Hospital
- Providence, RI
- NPI 1013332014
-
dba Our Lady of Fatima Hospital
- General Acute Care Hospital
- North Providence, RI
- NPI 1871918870
-
- General Acute Care Hospital
- Wakefield, RI
- NPI 1952366106
-
dba Tobey Hospital
- General Acute Care Hospital
- Wareham, MA
- NPI 1922024835
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1313625600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777939200000",
"number": "1891075172",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 42210",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850802210",
"telephone_number": "623-266-7770",
"fax_number": "623-322-4639"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "10401 W THUNDERBIRD BLVD",
"city": "SUN CITY",
"state": "AZ",
"postal_code": "853513004",
"telephone_number": "602-685-5211",
"fax_number": "602-685-5325"
}
],
"practiceLocations": [
{
"address_1": "825 Chalkstone Ave",
"address_purpose": "LOCATION",
"city": "Providence",
"state": "RI",
"postal_code": "029084728",
"country_code": "US",
"telephone_number": "401-456-2109",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1493 Cambridge St",
"address_purpose": "LOCATION",
"city": "Cambridge",
"state": "MA",
"postal_code": "021391099",
"country_code": "US",
"telephone_number": "617-665-1846",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "AYYAD",
"first_name": "HASHEM",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2011-08-18",
"last_updated": "2026-05-05",
"certification_date": "2026-05-05",
"status": "A"
},
"taxonomies": [
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "RI",
"license": "MD19976",
"primary": false
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "AZ",
"license": "57974",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "534201",
"state": "AZ"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Sun City, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.