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Dr. Alireza Tafazzoli, MD
NPI1659486660PAC ID0840219259
- Medicare services, 2024
- 2,227
- Medicare patients, 2024
- 849
- Publications
- 2
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 27700 Medical Center Rd, Mission Viejo, CA 92691
- Practice phone
- Call (949) 365-2447
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mission Hospital - Unit
Acute Care Hospital-Unit · Mission Viejo, California
Find Dr. Tafazzoli's professional email, personal email and mobile number
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Dr. Alireza Tafazzoli is a pathologist in Mission Viejo, California
Dr. Tafazzoli practices at Mission Hospital - Unit in Mission Viejo, California.
Dr. Tafazzoli's NPI, 1659486660, was assigned on August 20, 2006. Dr. Tafazzoli graduated from UC San Diego School of Medicine in 2000. Dr. Tafazzoli holds California license A77595.
NPI and contact details
- NPI
- 1659486660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840219259
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 365-2447
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alireza Tafazzoli practices at Mission Hospital - Unit in Mission Viejo, California
Dr. Tafazzoli's primary practice is Mission Hospital - Unit, at 27700 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 365-2447.
- Mission Hospital - Unit27700 Medical Center Rd, Mission Viejo, CA 92691 · Orange CountyPhone(949) 365-2447
Source: Dmand AI Affiliation Data
Dr. Alireza Tafazzoli is affiliated with 2 sites of care and 2 medical groups
Dr. Tafazzoli's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dr. Tafazzoli is also affiliated with Providence Mission Hospital. The medical group on file is NewPath Labs. Dmand AI also links Dr. Tafazzoli to 1 more medical group, named with a free account.
Mission Hospital - UnitPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alireza Tafazzoli's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tafazzoli practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mission Hospital - Unit | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alireza Tafazzoli is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Tafazzoli's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Tafazzoli is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dr. Tafazzoli is licensed in California.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
Pathologists near Dr. Tafazzoli
Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.
1,354pathologists in California
8pathologists in Mission Viejo
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alireza Tafazzoli billed Medicare for 2,227 services in 2024
CMS data shows 2,227 Medicare services from Dr. Tafazzoli across 11 procedure codes in 2024, for 849 Medicare patients. Medicare paid $80,956 for them.
Medicare services, 20242,227
Medicare patients849
Paid by Medicare$80,956
Procedure codes11
Dr. Tafazzoli's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,1862024: 2,194No change
- Other services
- 2023: 452024: 3327%
Where Dr. Tafazzoli's Medicare services took place, 2024
- In an office49122%
- In a facility1,73678%
Dr. Tafazzoli compared with the California median for pathologists, 2024
- Dr. Tafazzoli
- California median
- Medicare services
- 2,227vs 1,15393% above
- Medicare patients
- 849vs 44790% above
Medians across 1,094 pathologists in California with Dmand AI profiles that report each measure.
Dr. Tafazzoli's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tafazzoli and other pathologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alireza Tafazzoli treated 849 Medicare patients in 2024, average age 74
CMS counts 849 Medicare patients who saw Dr. Tafazzoli in 2024. The largest group is 65 to 74, with 451 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tafazzoli's median patient age at 67, with 52% women.
Medicare patients, 2024849
Average age74
Average risk score1.16
Also on Medicaid6%
Dr. Tafazzoli's Medicare patients by age, 2024
Dr. Tafazzoli's Medicare patients by sex, 2024
- Women41349%
- Men43651%
Chronic conditions among Dr. Tafazzoli's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis47%
- Cancer26%
- Ischemic heart disease25%
- Diabetes23%
- Anxiety21%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tafazzoli's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alireza Tafazzoli scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Tafazzoli for performance year 2024, reported as part of a group. Dr. Tafazzoli accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tafazzoli's MIPS scores, performance year 2024
- 75of 100Final score
- 70of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Alireza Tafazzoli has 2 publications on record
Dmand AI links 2 papers to Dr. Tafazzoli. Dr. Tafazzoli's most frequent co-authors are Mitchel Paul Goldman, MD and Anwar S. Raza, MD.
Papers2
Dr. Tafazzoli's most frequent co-authors
Recent publications by Dr. Tafazzoli
Diagn Cytopathol
Biopsy, Fine-NeedleLymphatic MetastasisLymph Nodes
See who Dr. Tafazzoli researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tafazzoli works with, so you can find a warm path to the right pathologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alireza Tafazzoli received $15 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Tafazzoli from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Agilent Technologies, Inc. paid the most, $15.
Companies that paid Dr. Tafazzoli the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alireza Tafazzoli graduated from UC San Diego School of Medicine
Dr. Tafazzoli graduated from UC San Diego School of Medicine in 2000.
- Medical school
- Board certified in anatomic pathology & clinical pathology
Source: Dmand AI Professional Profile Data
Dr. Alireza Tafazzoli accepts plans from 6 insurance carriers
Dr. Tafazzoli is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. POS plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Tafazzoli accepts, by number of carriers
- POS2
- PPO2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alireza Tafazzoli's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alireza Tafazzoli
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alireza Tafazzoli's NPI number?
Dr. Alireza Tafazzoli's NPI number is 1659486660. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alireza Tafazzoli?
Dr. Alireza Tafazzoli is a pathologist in Mission Viejo, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Alireza Tafazzoli practice?
Dr. Tafazzoli practices at 27700 Medical Center Rd, Mission Viejo, CA 92691. Dr. Tafazzoli's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dmand AI also links Dr. Tafazzoli to 1 medical group.
What is Dr. Alireza Tafazzoli's office phone number?
The practice phone on file for Dr. Tafazzoli is (949) 365-2447.
What is Dr. Alireza Tafazzoli's medical license number?
Dr. Tafazzoli holds California license A77595.
Which hospitals is Dr. Alireza Tafazzoli affiliated with?
Dr. Tafazzoli is affiliated with Providence Mission Hospital. Dmand AI links Dr. Tafazzoli to 1 more hospital.
What medical group is Dr. Alireza Tafazzoli part of?
Dr. Tafazzoli is linked to NewPath Labs. Dmand AI links Dr. Tafazzoli to 1 more medical group.
Does Dr. Alireza Tafazzoli accept Medicare?
Yes. CMS data shows Dr. Tafazzoli billed Medicare for 2,227 services in 2024, and Dr. Tafazzoli accepts Medicare assignment.
What is Dr. Alireza Tafazzoli's MIPS score?
Dr. Tafazzoli's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alireza Tafazzoli see?
CMS counts 849 Medicare patients who saw Dr. Tafazzoli in 2024, with an average age of 74.
Show 8 more questionsShow fewer questions
Is Dr. Alireza Tafazzoli board certified?
Yes. Dr. Tafazzoli is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
What services does Dr. Alireza Tafazzoli bill to Medicare?
In 2024, Dr. Tafazzoli's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88108).
Where did Dr. Alireza Tafazzoli go to medical school?
Dr. Tafazzoli graduated from UC San Diego School of Medicine in 2000.
Has Dr. Alireza Tafazzoli received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Tafazzoli from 1 company from 2019 to 2019. The largest total came from Agilent Technologies, Inc.
How long has Dr. Alireza Tafazzoli been practicing?
Dr. Tafazzoli graduated from medical school in 2000, 26 years ago.
Does Dr. Alireza Tafazzoli do research?
Dmand AI links 2 publications to Dr. Tafazzoli.
Who does Dr. Alireza Tafazzoli publish with?
Dr. Tafazzoli's most frequent co-authors are Mitchel Paul Goldman, MD (1 shared paper) and Anwar S. Raza, MD (1 shared paper).
What insurance does Dr. Alireza Tafazzoli accept?
Dr. Tafazzoli is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. POS plans come from the most carriers, 2. Check the plan with the practice before a visit.
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