Dr. Fei Fei, MD
- Medicare services, 2024
- 1,868
- Medicare patients, 2024
- 918
- Publications
- 44
- MIPS score, 2024
- 93
- Affiliated sites
- 1
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Fei'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. Fei Fei is a molecular genetic pathology (pathology) physician in Duarte, California
Dr. Fei practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Fei's NPI, 1124551312, was assigned on April 5, 2017. Dr. Fei graduated from Southeast University Medical College in 2003. Dr. Fei holds California license A164912.
- NPI
- 1124551312NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466739446
- NPI enumeration date
- April 5, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Fei Fei practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Fei's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Fei Fei is affiliated with 2 sites of care and 1 medical group
Dr. Fei's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Fei to 1 more other site, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fei Fei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fei practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Fei Fei is one of 16 molecular genetic pathology (pathology) physicians in California
Molecular genetic pathology is Dr. Fei's primary specialty in the NPI Registry, under taxonomy code 207ZP0007X. Dr. Fei is board certified in hematopathology by the American Board of Pathology. Dmand AI has Dr. Fei's licenses on file in 2 states: California and Alabama.
Specialties and state licenses
- Molecular genetic pathology (pathology), CaliforniaPrimary
- Alabama license
Molecular genetic pathology (pathology) physicians near Dr. Fei
Counts of molecular genetic pathology (pathology) physicians 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. Fei Fei billed Medicare for 1,868 services in 2024
CMS data shows 1,868 Medicare services from Dr. Fei across 2 procedure codes in 2024, for 918 Medicare patients. Medicare paid $64,288 for them.
Dr. Fei's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3372024: 1,527353%
- Lab and pathology
- 2023: 812024: 341321%
Where Dr. Fei's Medicare services took place, 2024
- In an office1,05957%
- In a facility80943%
Dr. Fei'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. Fei and other molecular genetic pathology (pathology) physicians in California.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Fei Fei treated 918 Medicare patients in 2024, average age 73
CMS counts 918 Medicare patients who saw Dr. Fei in 2024. The largest group is 65 to 74, with 446 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.71, 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. Fei's median patient age at 65, with 51% women.
Dr. Fei's Medicare patients by age, 2024
Dr. Fei's Medicare patients by sex, 2024
- Women43647%
- Men48253%
Chronic conditions among Dr. Fei's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Cancer44%
- Diabetes38%
- Ischemic heart disease36%
- Anxiety29%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Fei Fei scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Fei for performance year 2024, reported as part of a group. Dr. Fei accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Fei's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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. Fei Fei has 44 publications on record
Dmand AI links 44 papers to Dr. Fei, published from 2015 to 2025. 2019 was the busiest year, with 7. The most frequent topics are Breast Neoplasms, Polyploidy and Cell Line, Tumor. Dr. Fei has published most often in Int J Mol Sci. Dr. Fei's most frequent co-authors are James Lewis Zehnder, MD, Olga V. Danilova, MD, PhD and Christian Anton Kunder, MD, PhD.
Dr. Fei's papers by year, 2015 to 2025
Topics Dr. Fei writes about most
- Breast Neoplasms
- Polyploidy
- Cell Line, Tumor
- High-Throughput Nucleotide Sequencing
- Biomarkers, Tumor
- DNA-Binding Proteins
- Epstein-Barr Virus Infections
- Galectin 3
Dr. Fei's most frequent co-authors
- James Lewis Zehnder, MD3 shared papers
- Olga V. Danilova, MD, PhD2 shared papers
- Christian Anton Kunder, MD, PhD2 shared papers
Recent publications by Dr. Fei
Int J Mol Sci
See who Dr. Fei researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fei works with, so you can find a warm path to the right molecular genetic pathology (pathology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Fei Fei graduated from Southeast University Medical College
Dr. Fei graduated from Southeast University Medical College in 2003.
- Medical school
- Board certified in hematopathology
- Board certified in pathology - anatomic/pathology - clinical
- Board certified in pathology - molecular genetic
Source: Dmand AI Professional Profile Data
Dr. Fei Fei accepts plans from 3 insurance carriers
Dr. Fei is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Fei accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Fei Fei'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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 |
| 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. Fei Fei
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. Fei Fei's NPI number?
Dr. Fei Fei's NPI number is 1124551312. It was assigned on April 5, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Fei Fei?
Dr. Fei Fei is a molecular genetic pathology (pathology) physician in Duarte, California. The primary specialty in the NPI Registry is Molecular Genetic Pathology (Pathology) Physician (taxonomy code 207ZP0007X).
Where does Dr. Fei Fei practice?
Dr. Fei practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Fei's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Fei to 1 other site.
What is Dr. Fei Fei's office phone number?
The practice phone on file for Dr. Fei is (800) 826-4673.
What is Dr. Fei Fei's medical license number?
Dr. Fei holds California license A164912, one of the licenses on file in 2 states.
Which states has Dr. Fei Fei been licensed in?
Dmand AI has state licenses on file for Dr. Fei in California (2019 to 2027) and Alabama (2018 to 2021).
What medical group is Dr. Fei Fei part of?
Dr. Fei is linked to City of Hope.
Does Dr. Fei Fei accept Medicare?
Yes. CMS data shows Dr. Fei billed Medicare for 1,868 services in 2024, and Dr. Fei accepts Medicare assignment.
What is Dr. Fei Fei's MIPS score?
Dr. Fei's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Fei Fei see?
CMS counts 918 Medicare patients who saw Dr. Fei in 2024, with an average age of 73.
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Is Dr. Fei Fei board certified?
Yes. Dr. Fei is board certified in hematopathology by the American Board of Pathology.
What services does Dr. Fei Fei bill to Medicare?
In 2024, Dr. Fei's most billed Medicare services were medicare service (G0452) and lab and pathology test (88381).
Where did Dr. Fei Fei go to medical school?
Dr. Fei graduated from Southeast University Medical College in 2003.
How long has Dr. Fei Fei been practicing?
Dr. Fei graduated from medical school in 2003, 23 years ago.
Does Dr. Fei Fei do research?
Dmand AI links 44 publications to Dr. Fei, published from 2015 to 2025.
Who does Dr. Fei Fei publish with?
Dr. Fei's most frequent co-authors are James Lewis Zehnder, MD (3 shared papers), Olga V. Danilova, MD, PhD (2 shared papers) and Christian Anton Kunder, MD, PhD (2 shared papers).
What insurance does Dr. Fei Fei accept?
Dr. Fei is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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