Alireza Tafazzoli, M.D.
NPI 1659486660 · Anatomic Pathology & Clinical Pathology Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alireza Tafazzoli, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Mission Viejo, CA (NPI 1659486660).
Provider details
- NPI number
- 1659486660
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A77595 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,227 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 | 1,188 | $38 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 346 | $79 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 148 | $29 |
| Cell Examination of Specimen, Concentration Technique88108 | 76 | $23 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 74 | $36 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 73 | $84 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2009-03-31
Frequently asked questions
- What is Alireza Tafazzoli's NPI number?
- Alireza Tafazzoli's National Provider Identifier (NPI) is 1659486660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alireza Tafazzoli's specialty?
- Alireza Tafazzoli is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Alireza Tafazzoli located?
- Alireza Tafazzoli's practice location on file with NPPES is 27700 Medical Center Rd, Mission Viejo, CA 92691-6426.
- What is Alireza Tafazzoli's phone number?
- The practice phone number listed in the NPPES registry for Alireza Tafazzoli is (949) 364-1400.
- Does Alireza Tafazzoli accept Medicare?
- Alireza Tafazzoli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alireza Tafazzoli's NPI active?
- Yes — Alireza Tafazzoli's NPI (1659486660) is active in the NPPES registry as of the last update on 2009-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.