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Dr. Nan Chen, MD
NPI1174750897
- Medicare services, 2020
- 11
- Publications
- 2
- Clinical trials
- 1
- Industry payments
- $8,200
- Insurance carriers
- 1
- Practice address
- 11500 W Olympic Blvd, Los Angeles, CA 90064
- Practice phone
- Call (626) 570-1606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chen's professional email, personal email and mobile number
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Dr. Nan Chen is an internist in Los Angeles, California
Dr. Chen practices in Los Angeles, California.
Dr. Chen's NPI, 1174750897, was assigned on June 20, 2009. Dr. Chen graduated from Medical College of Georgia in 2009. Dr. Chen holds California license A150154.
NPI and contact details
- NPI
- 1174750897NPI Registry (opens in a new tab)
- NPI enumeration date
- June 20, 2009
- NPI status
- Active
- Practice phone
- (626) 570-1606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Nan Chen's practice address is in Los Angeles, California
Dr. Chen's practice address in the NPI Registry is 11500 W Olympic Blvd, Los Angeles, CA 90064, in Los Angeles County. The practice phone is (626) 570-1606.
- NPI Registry address11500 W Olympic Blvd, Los Angeles, CA 90064 · Los Angeles CountyPhone(626) 570-1606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Nan Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Chen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nan Chen is one of 16,751 internists in California
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Chen's licenses on file in 4 states: California, Missouri, Arizona and Indiana.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Otolaryngology, Missouri
- Arizona license
- Indiana license
Internists near Dr. Chen
Counts of internists 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. Nan Chen billed Medicare for 11 services in 2020
CMS data shows 11 Medicare services from Dr. Chen across 1 procedure code in 2020. Medicare paid $1,300 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202011
Paid by Medicare$1,300
Procedure codes1
Dr. Chen's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 262020: 1158%
Dr. Chen compared with the California median for internists, 2020
- Dr. Chen
- California median
- Medicare services
- 11vs 36197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2020
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. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Nan Chen has 2 publications on record
Dmand AI links 2 papers to Dr. Chen, published from 2014 to 2018.
Papers2
Years published2014 to 2018
Recent publications by Dr. Chen
Otolaryngol Head Neck Surg
Minimally Invasive Surgical ProceduresParathyroid DiseasesParathyroidectomy
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nan Chen has worked on 1 clinical trial
Dmand AI links Dr. Chen to 1 clinical trial. Conditions studied include Glomerulonephritis, IGA and Proteinuria.
Conditions in Dr. Chen's trials
- Glomerulonephritis, IGA
- Proteinuria
Recent clinical trials with Dr. Chen
Rituximab and RASi in Patients with IgAN (opens in a new tab)
CompletedPhase 4
Glomerulonephritis, IGAProteinuriaRituximabRAS 2410
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Nan Chen received $8,200 in industry payments from 2017 to 2025
CMS Open Payments shows 16 general payments to Dr. Chen from 2 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 86% of the total. Stemline Therapeutics Inc. paid the most, $8,075.
General payments to Dr. Chen by program year, 2017 to 2025
General payments to Dr. Chen by kind, 2017 to 2025
$8.2Kin total
- Consulting fees$7,02086%
- Food and beverage$6838%
- Travel and lodging$4976%
Companies that paid Dr. Chen the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nan Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen.
Awards and honors for Dr. Chen
- Undated
- AAO-HNS Fellow
Source: Dmand AI Professional Profile Data
Dr. Nan Chen graduated from Medical College of Georgia
Dr. Chen graduated from Medical College of Georgia in 2009. Dr. Chen is a member of NHS.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Nan Chen accepts plans from 1 insurance carrier
Dr. Chen is in network with 1 carrier, including Molina. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Nan Chen'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 |
| 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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Nan Chen
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. Nan Chen's NPI number?
Dr. Nan Chen's NPI number is 1174750897. It was assigned on June 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Nan Chen?
Dr. Nan Chen is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nan Chen practice?
Dr. Chen practices at 11500 W Olympic Blvd, Los Angeles, CA 90064.
What is Dr. Nan Chen's office phone number?
The practice phone on file for Dr. Chen is (626) 570-1606.
What is Dr. Nan Chen's medical license number?
Dr. Chen holds California license A150154, one of the licenses on file in 4 states.
Which states has Dr. Nan Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2017 to 2027), Missouri (since 2013), Arizona (2013 to 2018) and Indiana (2013 to 2015).
Does Dr. Nan Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 11 services in 2020.
What services does Dr. Nan Chen bill to Medicare?
In 2020, Dr. Chen's most billed Medicare services were hospital inpatient care (99222).
Where did Dr. Nan Chen go to medical school?
Dr. Chen graduated from Medical College of Georgia in 2009.
Has Dr. Nan Chen received payments from drug or device companies?
CMS Open Payments shows $8,200 in general payments to Dr. Chen from 2 companies from 2017 to 2025. The largest total came from Stemline Therapeutics Inc.
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How long has Dr. Nan Chen been practicing?
Dr. Chen graduated from medical school in 2009, 17 years ago.
Does Dr. Nan Chen do research?
Dmand AI links 2 publications to Dr. Chen, published from 2014 to 2018. Dr. Chen has worked on 1 clinical trial.
What insurance does Dr. Nan Chen accept?
Dr. Chen is in network with 1 carrier, including Molina. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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