DR. HASHEM AYYAD M.D.
NPI 1891075172
Pathology - Anatomic Pathology & Clinical Pathology in Sun City, AZ

Q: What is Hashem Ayyad's NPI number?

The NPI number for Hashem Ayyad is 1891075172. It was assigned to this individual provider in the NPPES registry on August 18, 2011.

Q: What is Hashem Ayyad's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Hashem Ayyad was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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, 2011PECOS EnrolledAccepts Medicare Assignment

88.55/100

CMS Quality Rating

10401 W THUNDERBIRD BLVD, SUN CITY, AZ 85351(602) 685-5211(602) 685-5325 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 5, 2026, Nov 11, 2025, Aug 5, 2020 (3 updates tracked since 2020).

On this page

About Dr. Hashem Ayyad M.d. NPPES

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

DR. HASHEM AYYAD M.D. (NPI 1891075172) is an individual anatomic pathology & clinical pathology provider in Sun City, Arizona, licensed in Arizona (57974) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891075172

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. HASHEM AYYADCredential: M.D.

Location Address10401 W THUNDERBIRD BLVDSun City, AZ 85351-3004

Mailing AddressPo Box 42210Phoenix, AZ 85080-2210 · (623) 266-7770 · Fax (623) 322-4639

Phone(602) 685-5211

Fax(602) 685-5325

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateAugust 18, 2011

Last NPPES UpdateMay 5, 20263 updates tracked since enumeration

NPPES CertifiedMay 5, 2026

✔ NPI 1891075172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Licenses✔ Licensed in AZ · 57974✔ Licensed in RI · MD19976

Definition

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.

10401 W THUNDERBIRD BLVD, Sun City, AZ 85351

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1825 Chalkstone AveProvidence, RI 02908-4728 · Phone (401) 456-2109

Location 21493 Cambridge StCambridge, MA 02139-1099 · Phone (617) 665-1846

Other Identifiers 1

Medicaid534201AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health, Oscar Health Plan, Inc. 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

Dr. Hashem Ayyad M.d. 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 ID3870726375

PECOS Enrollment IDI20240618001592, I20240618001974, I20240813002146

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 Hashem Ayyad reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Josephs Pathology

15 mi

Anatomic Pathology & Clinical Pathology

350 W THOMAS RD
Phoenix, AZ 85013

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

NPI 1265407738 (602) 406-3000

Pathology Specialist Of Arizona, LLP

22 mi

Anatomic Pathology & Clinical Pathology

424 S 56TH ST STE 120
Phoenix, AZ 85034

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

NPI 1174503999 (602) 685-5166

University Pathologists, LLC

2,286 mi

Anatomic Pathology

825 CHALKSTONE AVE, RWMC - PATHOLOGY DEPARTMENT
Providence, RI 02908

Reassigned Medicare billing, Connecticut, Massachusetts and Rhode Island enrollments
7 clinicians in this Medicare group

NPI 1568640886 (401) 456-2662

Cambridge Public Health Commission

2,303 mi

General Acute Care Hospital

1493 CAMBRIDGE ST
Cambridge, MA 02139

Reassigned Medicare billing, Massachusetts enrollment
719 clinicians in this Medicare group

NPI 1487603585 (617) 665-1000

The General Hospital Corporation

2,305 mi

General Acute Care Hospital

55 FRUIT ST, BULFINCH 360
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,234 clinicians in this Medicare group

NPI 1023049236 (617) 726-2000

Massachusetts General Physicians Organization Inc

2,305 mi

Dermatology

55 FRUIT ST, BUL 2
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,360 clinicians in this Medicare group

NPI 1801874573 (617) 724-0287

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 18

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

443 services249 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

432 services81 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

132 services103 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

86 services65 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

81 services50 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

78 services58 patients

Flow cytometry technique for dna or cell analysis, 16 or more markers 88189

Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.

71 services59 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

68 services41 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

61 services51 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

60 services52 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

38 services26 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

30 services25 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

26 services14 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

24 services21 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

16 services12 patients

Cell examination of body fluid, smears 88104

Cell examination of body fluid, or smear, is a laboratory test where a sample of your body fluid is taken. It's then thinly spread on a glass slide and examined under a microscope to check for abnormalities. This can help diagnose various health conditions.

12 services12 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

12 services12 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cambridge Health Alliance

Acute Care Hospitals · Cambridge, MA

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number220011

Location1493 Cambridge StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

Southcoast Hospitals Group

Acute Care Hospitals · Fall River, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220074

Location363 Highland AvenueFall River, MA 02720 · Bristol County

Emergency services Birthing friendly

Roger Williams Medical Center

Acute Care Hospitals · Providence, RI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number410004

Location825 Chalkstone AvenueProvidence, RI 02908 · Providence County

Emergency services

Our Lady Of Fatima Hospital

Acute Care Hospitals · North Providence, RI

3/5 CMS rating

OwnershipProprietary

CMS Certification Number410005

Location200 High Service AvenueNorth Providence, RI 02904 · Providence County

Emergency services

South County Hospital Inc

Acute Care Hospitals · Wakefield, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410008

Location100 Kenyon AveWakefield, RI 02879 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85351 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.55/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.53

Improvement Activities

Other Providers at the Same Location NPPES 20

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

DR. LEE JOSEPH MCGHAN M.D.

Pathology (Anatomic Pathology & Clinical Pathology)