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Dr. Dejun Shen, MD
NPI1649429754PAC ID3476710237
- Medicare services, 2024
- 51
- Medicare patients, 2024
- 30
- Publications
- 14
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shen's professional email, personal email and mobile number
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Dr. Dejun Shen is a pathologist in Downey, California
Dr. Shen practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Dr. Shen's NPI, 1649429754, was assigned on September 12, 2008. Dr. Shen graduated from Zhejiang Medical University in 1986. Dr. Shen's Alabama license number on file is 31419.
NPI and contact details
- NPI
- 1649429754NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476710237
- NPI enumeration date
- September 12, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 461-6007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dejun Shen practices at Downey Medical Center in Downey, California
Dr. Shen's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Dr. Dejun Shen is affiliated with 2 sites of care and 1 medical group
Dr. Shen's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Shen to 1 more breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dejun Shen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | 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. Dejun Shen is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Shen's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Shen is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology. Dmand AI has Dr. Shen's licenses on file in 3 states: Alabama, California and Massachusetts.
Specialties and state licenses
- Anatomic pathology and clinical pathology, AlabamaPrimary
- California license
- Massachusetts license
Pathologists near Dr. Shen
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. Dejun Shen billed Medicare for 51 services in 2024
CMS data shows 51 Medicare services from Dr. Shen across 1 procedure code in 2024, for 30 Medicare patients. Medicare paid $1,521 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202451
Medicare patients30
Paid by Medicare$1,521
Procedure codes1
Dr. Shen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 382024: 5134%
Dr. Shen compared with the California median for pathologists, 2024
- Dr. Shen
- California median
- Medicare services
- 51vs 1,15396% below
- Medicare patients
- 30vs 44793% below
Medians across 1,094 pathologists in California with Dmand AI profiles that report each measure.
Dr. Shen'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.
Need commercial claims for Dr. Shen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shen and other pathologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dejun Shen treated 30 Medicare patients in 2024, average age 65
CMS counts 30 Medicare patients who saw Dr. Shen in 2024. The largest group is 65 to 74, with 16 patients. 57% of them have high cholesterol, and 43% have diabetes. Their average risk score is 1.89, 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. Shen's median patient age at 53, with 69% women.
Medicare patients, 202430
Average age65
Average risk score1.89
Dr. Shen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Shen's Medicare patients by sex, 2024
- Women1447%
- Men1653%
Chronic conditions among Dr. Shen's Medicare patients, 2024
- High cholesterol57%
- Diabetes43%
- High blood pressure43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Dejun Shen takes part in Medicare
Dr. Shen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dejun Shen has 14 publications on record
Dmand AI links 14 papers to Dr. Shen, published from 2006 to 2020. 2014 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, Cell Line, Tumor and Neoplasm Proteins. Dr. Shen's most frequent co-authors are Vishwas P. Parekh, MD, John David Christein, MD and James L. Connolly, MD.
Papers14
Years published2006 to 2020
Dr. Shen's papers by year, 2006 to 2020
Topics Dr. Shen writes about most
- Breast Neoplasms
- Cell Line, Tumor
- Neoplasm Proteins
- Amino Acids
- Apoptosis
- Biomarkers, Tumor
- Doxorubicin
- Enzyme Inhibitors
Dr. Shen's most frequent co-authors
- Vishwas P. Parekh, MD2 shared papers
- John David Christein, MD1 shared paper
- James L. Connolly, MD1 shared paper
Recent publications by Dr. Shen
AngiomyolipomaBiomarkers, TumorDiagnosis, Differential
Biomarkers, TumorBreast NeoplasmsCarcinogenesis
Proc Natl Acad Sci U S A
BreastBreast NeoplasmsCarcinoma, Ductal, Breast
See who Dr. Shen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shen 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. Dejun Shen has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Shen, most recently The Stowell-Orbison Awards in 2006.
Awards and honors for Dr. Shen
- 2006
- The Stowell-Orbison Awards
- 1997
- AACR/Pharmingen young investigator award
Source: Dmand AI Professional Profile Data
Dr. Dejun Shen graduated from Zhejiang Medical University
Dr. Shen graduated from Zhejiang Medical University in 1986.
- Medical school
- Board certified in pathology - anatomic/pathology - clinical
Source: Dmand AI Professional Profile Data
Dr. Dejun Shen accepts plans from 2 insurance carriers
Dr. Shen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Shen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Dejun Shen'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Dejun Shen
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. Dejun Shen's NPI number?
Dr. Dejun Shen's NPI number is 1649429754. It was assigned on September 12, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Dejun Shen?
Dr. Dejun Shen is a pathologist in Downey, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Dejun Shen practice?
Dr. Shen practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Shen's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Shen to 1 breast imaging center.
What is Dr. Dejun Shen's office phone number?
The practice phone on file for Dr. Shen is (562) 461-6007.
What is Dr. Dejun Shen's medical license number?
Dr. Shen's Alabama license number on file is 31419, one of the licenses on file in 3 states.
Which states has Dr. Dejun Shen been licensed in?
Dmand AI has state licenses on file for Dr. Shen in Alabama (2012 to 2017), California (2009 to 2027) and Massachusetts (2010 to 2012).
Which hospitals is Dr. Dejun Shen affiliated with?
Dr. Shen practices at Downey Medical Center in Downey, California.
What medical group is Dr. Dejun Shen part of?
Dr. Shen is linked to Southern California Permanente Medical Group.
Does Dr. Dejun Shen accept Medicare?
Yes. CMS data shows Dr. Shen billed Medicare for 51 services in 2024, and Dr. Shen accepts Medicare assignment.
How many Medicare patients does Dr. Dejun Shen see?
CMS counts 30 Medicare patients who saw Dr. Shen in 2024, with an average age of 65.
Show 7 more questionsShow fewer questions
Is Dr. Dejun Shen board certified?
Yes. Dr. Shen is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology.
What services does Dr. Dejun Shen bill to Medicare?
In 2024, Dr. Shen's most billed Medicare services were lab and pathology test (88305).
Where did Dr. Dejun Shen go to medical school?
Dr. Shen graduated from Zhejiang Medical University in 1986.
How long has Dr. Dejun Shen been practicing?
Dr. Shen graduated from medical school in 1986, 40 years ago.
Does Dr. Dejun Shen do research?
Dmand AI links 14 publications to Dr. Shen, published from 2006 to 2020.
Who does Dr. Dejun Shen publish with?
Dr. Shen's most frequent co-authors are Vishwas P. Parekh, MD (2 shared papers), John David Christein, MD (1 shared paper) and James L. Connolly, MD (1 shared paper).
What insurance does Dr. Dejun Shen accept?
Dr. Shen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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