Dr. Parisa Najafzadeh, MD
- Medicare services, 2024
- 3,840
- Medicare patients, 2024
- 840
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Industry payments
- $137
- Practice address
- 100 W. California Blvd, Pasadena, CA 91105
- Practice phone
- Call (626) 397-2618
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Hospital - Unit
Acute Care Hospital-Unit · Pasadena, California
Find Dr. Najafzadeh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Parisa Najafzadeh is a pathologist in Pasadena, California
Dr. Najafzadeh practices at Huntington Hospital - Unit in Pasadena, California.
Dr. Najafzadeh's NPI, 1700319944, was assigned on April 5, 2017. Dr. Najafzadeh holds California license A165605.
- NPI
- 1700319944NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709250624
- NPI enumeration date
- April 5, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 397-2618
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Parisa Najafzadeh practices at Huntington Hospital - Unit in Pasadena, California
Dr. Najafzadeh's primary practice is Huntington Hospital - Unit, at 100 W. California Blvd, Pasadena, CA 91105 in Los Angeles County. The practice phone is (626) 397-2618.
- Huntington Hospital - Unit100 W. California Blvd, Pasadena, CA 91105 · Los Angeles CountyPhone(626) 397-2618
Source: Dmand AI Affiliation Data
Dr. Parisa Najafzadeh is affiliated with 2 sites of care and 2 medical groups
Dr. Najafzadeh's primary practice is Huntington Hospital - Unit in Pasadena, California. Dr. Najafzadeh is also affiliated with Huntington Hospital. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Dr. Najafzadeh to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Parisa Najafzadeh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Najafzadeh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntington 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. Parisa Najafzadeh is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Najafzadeh's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Najafzadeh is licensed in California.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
Pathologists near Dr. Najafzadeh
Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Parisa Najafzadeh billed Medicare for 3,840 services in 2024
CMS data shows 3,840 Medicare services from Dr. Najafzadeh across 20 procedure codes in 2024, for 840 Medicare patients. Medicare paid $182,810 for them.
Dr. Najafzadeh's Medicare services by type, 2024
- Lab and pathology3,790
- Other services50
Where Dr. Najafzadeh's Medicare services took place, 2024
- In an office77720%
- In a facility3,06380%
Dr. Najafzadeh compared with the California median for pathologists, 2024
- Dr. Najafzadeh
- California median
- Medicare services
- 3,840vs 1,1533.3 times
- Medicare patients
- 840vs 44788% above
Medians across 1,094 pathologists in California with Dmand AI profiles that report each measure.
Dr. Najafzadeh'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Parisa Najafzadeh treated 840 Medicare patients in 2024, average age 76
CMS counts 840 Medicare patients who saw Dr. Najafzadeh in 2024. The largest group is 65 to 74, with 369 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Najafzadeh's median patient age at 59, with 85% women.
Dr. Najafzadeh's Medicare patients by age, 2024
Dr. Najafzadeh's Medicare patients by sex, 2024
- Women50860%
- Men33240%
Chronic conditions among Dr. Najafzadeh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease36%
- Cancer35%
- Diabetes35%
- Mood disorders28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Najafzadeh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women85%
- Men15%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Parisa Najafzadeh scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Najafzadeh for performance year 2024, reported as part of a group. Dr. Najafzadeh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Najafzadeh's MIPS scores, performance year 2024
- 89of 100Final score
- 87.7of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
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. Parisa Najafzadeh received $137 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Najafzadeh from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $137.
Companies that paid Dr. Najafzadeh the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Parisa Najafzadeh'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Parisa Najafzadeh
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. Parisa Najafzadeh's NPI number?
Dr. Parisa Najafzadeh's NPI number is 1700319944. It was assigned on April 5, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Parisa Najafzadeh?
Dr. Parisa Najafzadeh is a pathologist in Pasadena, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Parisa Najafzadeh practice?
Dr. Najafzadeh practices at 100 W. California Blvd, Pasadena, CA 91105. Dr. Najafzadeh's primary practice is Huntington Hospital - Unit in Pasadena, California. Dmand AI also links Dr. Najafzadeh to 1 medical group.
What is Dr. Parisa Najafzadeh's office phone number?
The practice phone on file for Dr. Najafzadeh is (626) 397-2618.
What is Dr. Parisa Najafzadeh's medical license number?
Dr. Najafzadeh holds California license A165605.
Which hospitals is Dr. Parisa Najafzadeh affiliated with?
Dr. Najafzadeh is affiliated with Huntington Hospital. Dmand AI links Dr. Najafzadeh to 1 more hospital.
What medical group is Dr. Parisa Najafzadeh part of?
Dr. Najafzadeh is linked to Cedars-Sinai Medical Group. Dmand AI links Dr. Najafzadeh to 1 more medical group.
Does Dr. Parisa Najafzadeh accept Medicare?
Yes. CMS data shows Dr. Najafzadeh billed Medicare for 3,840 services in 2024, and Dr. Najafzadeh accepts Medicare assignment.
What is Dr. Parisa Najafzadeh's MIPS score?
Dr. Najafzadeh's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Parisa Najafzadeh see?
CMS counts 840 Medicare patients who saw Dr. Najafzadeh in 2024, with an average age of 76.
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What services does Dr. Parisa Najafzadeh bill to Medicare?
In 2024, Dr. Najafzadeh's most billed Medicare services were lab and pathology test (88341), lab and pathology test (88305) and lab and pathology test (88342).
Has Dr. Parisa Najafzadeh received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Najafzadeh from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Parisa Najafzadeh been practicing?
Dr. Najafzadeh graduated from medical school in 2010, 16 years ago.
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