ALIREZA TAFAZZOLI M.D.
NPI 1659486660
Pathology - Anatomic Pathology & Clinical Pathology in Mission Viejo, CA

Q: What is Alireza Tafazzoli's NPI number?

The NPI number for Alireza Tafazzoli is 1659486660. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Q: What is Alireza Tafazzoli'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 Alireza Tafazzoli was last updated on March 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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 20, 2006PECOS EnrolledAccepts Medicare Assignment

79.35/100

CMS Quality Rating

27700 MEDICAL CENTER RD, MISSION VIEJO, CA 92691(949) 364-1400 Get Directions Write a Review

NPPES record last updated: March 31, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Alireza Tafazzoli M.d. NPPES

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

ALIREZA TAFAZZOLI M.D. (NPI 1659486660) is an individual anatomic pathology & clinical pathology provider in Mission Viejo, California, licensed in California (A77595) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2000).

NPPES Registry Identity

NPI1659486660

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameALIREZA TAFAZZOLICredential: M.D.

Location Address27700 MEDICAL CENTER RDMission Viejo, CA 92691-6426

Mailing Address27700 Medical Center RdMission Viejo, CA 92691-6426 · (949) 364-1400

Phone(949) 364-1400

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2000

Enumeration DateAugust 20, 2006

Last NPPES UpdateMarch 31, 2009

✔ NPI 1659486660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

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

Taxonomy Code207ZP0102X

License✔ Licensed in CA · A77595

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.

Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License A77595 (CA)

Also ListedPathology · Clinical Pathology/Laboratory MedicineTaxonomy 207ZP0105X · License A77595 (CA)

27700 MEDICAL CENTER RD, Mission Viejo, CA 92691

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Other Identifiers 6

Medicare PINWA77595ACA

Medicaid00A775950F39CA

Medicaid00A775950CA

Medicare PINAR728ZCA

Medicare PINP00294947

Medicare UPINI45260CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alireza Tafazzoli 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 ID840219259

PECOS Enrollment IDI20051115000854

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.

Areas of Expertise CMS Part B claims 15

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.

1,188 services476 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

346 services146 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.

148 services49 patients

Cell examination of specimen, concentration technique 88108

Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.

76 services73 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.

74 services63 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.

73 services43 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.

73 services23 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.

57 services55 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.

51 services46 patients

Cell examination of specimen, concentration technique 88108

33 services30 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.

33 services33 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.

24 services12 patients

Pathology examination of specimen during surgery, first tissue block 88331

20 services16 patients

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

16 services15 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

79.35/100

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

Scored as part of a group practice

Quality

75.71

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.

CHELSEA ZIMMERMAN

Nurse Practitioner (Acute Care)