Hashem Ayyad, M.D.
NPI 1891075172 · Anatomic Pathology & Clinical Pathology Physician · Sun City, AZ
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hashem Ayyad, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Sun City, AZ (NPI 1891075172).
Provider details
- NPI number
- 1891075172
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD19976 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,681 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 443 | $36 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 432 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 132 | $34 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 86 | $27 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 81 | $68 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 78 | $79 |
Practice location
Mailing address
Additional practice locations (2)
- 1493 Cambridge StCambridge, MA 02139-1099Phone: (617) 665-1846
- 825 Chalkstone AveProvidence, RI 02908-4728Phone: (401) 456-2109
Registry dates
- Enumerated
- 2011-08-18
- Last updated
- 2026-05-05
- Certified
- 2026-05-05
Frequently asked questions
- What is Hashem Ayyad's NPI number?
- Hashem Ayyad's National Provider Identifier (NPI) is 1891075172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hashem Ayyad's specialty?
- Hashem Ayyad is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Hashem Ayyad located?
- Hashem Ayyad's practice location on file with NPPES is 10401 W Thunderbird Blvd, Sun City, AZ 85351-3004.
- What is Hashem Ayyad's phone number?
- The practice phone number listed in the NPPES registry for Hashem Ayyad is (602) 685-5211.
- Does Hashem Ayyad accept Medicare?
- Hashem Ayyad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hashem Ayyad's NPI active?
- Yes — Hashem Ayyad's NPI (1891075172) is active in the NPPES registry as of the last update on 2026-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.