Yihan Chen

  • Torrance, CA
  • Internist
NPI1730508367
Medicare services, 2019
468
Part D claims, 2024
37
Industry payments
$14
Insurance carriers
13
State licenses
12
Practice address
1000 W Carson St, Torrance, CA 90502
Practice phone
Call (310) 825-9111
Professional email
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Personal email
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Mobile number
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Social profiles

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Yihan Chen is an internist in Torrance, California

Yihan Chen practices in Torrance, California.

Yihan Chen's NPI, 1730508367, was assigned on April 10, 2014. Yihan Chen graduated from Tulane School of Medicine in 2014. Yihan Chen's California license number on file is A142962.

NPI and contact details
NPI enumeration date
April 10, 2014
NPI status
Active
Practice phone
(310) 825-9111
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Yihan Chen's practice address is in Torrance, California

Yihan Chen's practice address in the NPI Registry is 1000 W Carson St, Torrance, CA 90502, in Los Angeles County. The practice phone is (310) 825-9111.

  • NPI Registry address
    1000 W Carson St, Torrance, CA 90502 · Los Angeles CountyPhone(310) 825-9111

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Yihan Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Yihan Chen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Yihan Chen's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Yihan Chen is one of 16,751 internists in California

Internal medicine is Yihan Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Yihan Chen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Yihan Chen's licenses on file in 12 states: California, Arizona, Florida, Illinois, New York, Colorado, Georgia, Massachusetts, New Jersey, Texas, Washington and District of Columbia.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A142962 · 2016 to 2025 · taxonomy 207R00000X
  • Arizona license2021 to 2026
  • Florida license2021 to 2026
  • Illinois license2020 to 2026
  • New York license2019 to 2026
  • Colorado license2021 to 2025
  • Georgia license2021 to 2025
  • Massachusetts license2022 to 2025
  • New Jersey license2022 to 2025
  • Texas license2022 to 2025
  • Washington license2020 to 2025
  • District of Columbia license2021 to 2024

Internists near Yihan 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

Yihan Chen billed Medicare for 468 services in 2019

CMS data shows 468 Medicare services from Yihan Chen across 8 procedure codes in 2019. Medicare paid $42,120 for them.

Medicare services, 2019468
Paid by Medicare$42,120
Procedure codes8

Yihan Chen's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 4092019: 45511%
Other services
2018: 132019: 13No change

Where Yihan Chen's Medicare services took place, 2019

  • In an office194%
  • In a facility44996%

Yihan Chen compared with the California median for internists, 2019

  • Yihan Chen
  • California median
Medicare services
468vs 36130% above
Part D claims
39vs 42191% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Yihan Chen's most billed Medicare procedure codes, 2019

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Yihan Chen

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Yihan Chen's patients have a median age of 39

Across all payers, Dmand AI patient panel data puts Yihan Chen's median patient age at 39, with 71% women.

Yihan Chen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women71%
  • Men29%

Source: Dmand AI Patient Panel Data

Yihan Chen wrote 37 Medicare Part D claims in 2024

In 2024, Yihan Chen wrote 37 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. They cover 3 drugs, with $573 in total drug cost. In 2019, CMS named 382 claims across 20 drugs.

Part D claims, 202437
Drugs named by CMS3
Total drug cost$573
Part D patients16

Yihan Chen's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 3822020: 3990%

Drugs named by CMS: 3 in 2020, 20 in 2019.

See all prescribing by Yihan Chen

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Yihan Chen received $14 in industry payments in 2021

CMS Open Payments shows 1 general payment to Yihan Chen from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $14.

Companies that paid Yihan Chen the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Yihan Chen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Yihan Chen graduated from Tulane School of Medicine

Yihan Chen graduated from Tulane School of Medicine in 2014.

  1. Medical schoolTulane School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Yihan Chen accepts plans from 13 insurance carriers

Yihan Chen is in network with 13 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Aetna
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Yihan Chen accepts, by number of carriers

  1. PPO8
  2. HMO6
  3. Medicare6
  4. EPO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Yihan Chen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Yihan 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 Yihan Chen's NPI number?

Yihan Chen's NPI number is 1730508367. It was assigned on April 10, 2014, and it is active in the NPI Registry.

What does Yihan Chen specialize in?

Yihan Chen is an internist in Torrance, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Yihan Chen practice?

Yihan Chen practices at 1000 W Carson St, Torrance, CA 90502.

What is Yihan Chen's office phone number?

The practice phone on file for Yihan Chen is (310) 825-9111.

What is Yihan Chen's medical license number?

Yihan Chen's California license number on file is A142962, one of the licenses on file in 12 states.

Which states has Yihan Chen been licensed in?

Dmand AI has state licenses on file for Yihan Chen in California (2016 to 2025), Arizona (2021 to 2026), Florida (2021 to 2026), Illinois (2020 to 2026), New York (2019 to 2026), Colorado (2021 to 2025), Georgia (2021 to 2025), Massachusetts (2022 to 2025), New Jersey (2022 to 2025), Texas (2022 to 2025), Washington (2020 to 2025) and District of Columbia (2021 to 2024).

Does Yihan Chen accept Medicare?

Yes. CMS data shows Yihan Chen billed Medicare for 468 services in 2019.

Is Yihan Chen board certified?

Yes. Yihan Chen is board certified in internal medicine by the American Board of Internal Medicine.

What services does Yihan Chen bill to Medicare?

In 2019, Yihan Chen's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99215).

Where did Yihan Chen go to medical school?

Yihan Chen graduated from Tulane School of Medicine in 2014.

Show 4 more questionsShow fewer questions

What drugs does Yihan Chen prescribe most?

In 2020 Medicare Part D data, Yihan Chen's most prescribed drugs by claims were Levothyroxine Sodium, Losartan Potassium and Atorvastatin Calcium.

Has Yihan Chen received payments from drug or device companies?

CMS Open Payments shows $14 in general payments to Yihan Chen from 1 company from 2021 to 2021. The largest total came from Novo Nordisk Inc.

How long has Yihan Chen been practicing?

Yihan Chen graduated from medical school in 2014, 12 years ago.

What insurance does Yihan Chen accept?

Yihan Chen is in network with 13 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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