Physician Profile
Alireza Tafazzoli, M.D. is a healthcare provider in Mission Viejo, CA specializing in pathology. Alireza trained at University of California, San Diego School of Medicine, graduating in 2000. Alireza is also listed as specializing in cytopathology, anatomic & clinical pathology, and pathology — clinical. According to Medicare claims data, Alireza cared for 1,095 Medicare patients across 2,227 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, pathology examination of tissue using a microscope, intermediate complexity, and special stained specimen slides to examine tissue, each additional procedure. This provider record is associated with NPI 1659486660.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
27700 MEDICAL CENTER RD
Mission Viejo, CA 92691
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
2,227 services · 1,095 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
1,188 | More often than most peers in Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
346 | More often than most peers in Pathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
148 | As often as other peers in Pathology |
| Cell examination of specimen, concentration technique | Lab test | 88108 |
76 | More often than most peers in Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
74 | As often as other peers in Pathology |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
73 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
73 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
57 | More often than most peers in Pathology |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
51 | As often as other peers in Pathology |
| Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | Billing code | G0416 |
33 | More often than most peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Alireza Tafazzoli is a pathologist in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Alireza Tafazzoli is listed at 27700 Medical Center Rd, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 364-1400. Contact the office directly to confirm availability and scheduling.
NPI registry
Alireza Tafazzoli's National Provider Identifier is 1659486660. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Alireza Tafazzoli attended University of California, San Diego School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Alireza Tafazzoli has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Alireza Tafazzoli the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Alireza Tafazzoli. If this is you, claiming it is free.
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