Dr. Benjamin C. Chen, MD

  • Corvallis, OR
  • Infectious disease specialist
NPI1396236527PAC ID2163771601
Medicare services, 2024
226
Medicare patients, 2024
182
Part D claims, 2024
107
Publications
4
MIPS score, 2024
89
Practice address
3600 NW Samaritan Dr, Corvallis, OR 97330
Practice phone
Call (541) 768-5111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Samaritan Regional Medical Center

Corvallis, Oregon

See all 8 affiliations

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Dr. Benjamin C. Chen is an infectious disease specialist in Corvallis, Oregon

Dr. Chen practices at Good Samaritan Regional Medical Center in Corvallis, Oregon.

Dr. Chen's NPI, 1396236527, was assigned on May 23, 2018. Dr. Chen graduated from Tulane School of Medicine in 2018. Dr. Chen's California license number on file is A174229.

NPI and contact details
Medicare PAC ID
2163771601
NPI enumeration date
May 23, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(541) 768-5111
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Benjamin C. Chen practices at Good Samaritan Regional Medical Center in Corvallis, Oregon

Dr. Chen's primary practice is Good Samaritan Regional Medical Center, at 3600 NW Samaritan Dr, Corvallis, OR 97330 in Benton County. The practice phone is (541) 768-5111.

  • Good Samaritan Regional Medical Center
    3600 NW Samaritan Dr, Corvallis, OR 97330 · Benton CountyPhone(541) 768-5111

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

Dr. Benjamin C. Chen is affiliated with 4 sites of care and 4 medical groups

Dr. Chen's primary practice is Good Samaritan Regional Medical Center in Corvallis, Oregon. Dr. Chen is also affiliated with OHSU Hospital. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Chen to 2 more hospitals and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Chen

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. Benjamin C. Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Samaritan Regional Medical CenterAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Benjamin C. Chen is one of 101 infectious disease specialists in Oregon

Infectious disease is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Chen is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Iowa.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense A174229 · 2021 to 2025 · taxonomy 207RI0200X
  • Internal medicine, IowaLicense R-11134 · 2018 to 2021 · taxonomy 207R00000X

Clinical focus

Dmand AI lists kidney stone disease among the conditions Dr. Chen treats.

Infectious disease specialists near Dr. Chen

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

101infectious disease specialists in Oregon
5infectious disease specialists in Corvallis

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

Dr. Benjamin C. Chen billed Medicare for 226 services in 2024

CMS data shows 226 Medicare services from Dr. Chen across 2 procedure codes in 2024, for 182 Medicare patients. Medicare paid $26,675 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024226
Medicare patients182
Paid by Medicare$26,675
Procedure codes2

Dr. Chen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 842024: 226169%

Dr. Chen compared with the Oregon median for infectious disease specialists, 2024

  • Dr. Chen
  • Oregon median
Medicare services
226vs 15546% above
Medicare patients
182vs 902.0 times
Part D claims
29vs 11976% below

Medians across 103 infectious disease specialists in Oregon with Dmand AI profiles that report each measure.

Dr. Chen'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.

See all procedures by Dr. Chen

Need commercial claims for Dr. Chen?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other infectious disease specialists in Oregon.

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

Dr. Benjamin C. Chen treated 182 Medicare patients in 2024, average age 68

CMS counts 182 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 4.06, 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. Chen's median patient age at 67, with 39% women.

Medicare patients, 2024182
Average age68
Average risk score4.06
Also on Medicaid66%

Dr. Chen's Medicare patients by age, 2024

Dr. Chen's Medicare patients by sex, 2024

  • Women8547%
  • Men9753%

Chronic conditions among Dr. Chen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes62%
  4. Chronic kidney disease60%
  5. Heart failure59%
  6. Ischemic heart disease53%
  7. Arthritis50%
  8. Anxiety47%

Share of Medicare patients with each condition. A patient can have several.

Dr. 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 67

Patient panel by sex, all payers

  • Women39%
  • Men61%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Benjamin C. Chen wrote 107 Medicare Part D claims in 2024

In 2024, Dr. Chen wrote 107 Medicare Part D claims for 34 patients. 61% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $98,191 in total drug cost. In 2021, CMS named 131 claims across 8 drugs.

Part D claims, 2024107
Drugs named by CMS2
Total drug cost$98,191
Part D patients34

Dr. Chen's Part D claims by kind of drug, 2024

  • Generic65 claims61%
  • Brand-name42 claims39%

Dr. Chen's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Chen's Part D claims, 2024

  • Antibiotics25%27 of 107 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 1312024: 2978%

Drugs named by CMS: 2 in 2024, 8 in 2021.

See all prescribing by Dr. 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

Dr. Benjamin C. Chen 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. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Chen's MIPS scores, performance year 2024

  • 89of 100Final score
  • 72.1of 100Quality
  • 80of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 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

For MedTech and pharma teams

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Dr. Benjamin C. Chen has 4 publications on record

Dmand AI links 4 papers to Dr. Chen, published from 2020 to 2021. 2021 was the busiest year, with 3. The most frequent topics are Staphylococcal Infections and Staphylococcus aureus. Dr. Chen has published most often in BMJ Case Rep. Dr. Chen's most frequent co-authors are Takaaki Kobayashi, MD, Poorani Sekar, MD and Daniel J. Diekema, MD.

Papers4
Years published2020 to 2021

Topics Dr. Chen writes about most

  • Staphylococcal Infections
  • Staphylococcus aureus

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 4 publications and co-authors

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 infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Benjamin C. Chen received $161 in industry payments from 2023 to 2024

CMS Open Payments shows 2 general payments to Dr. Chen from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Organogenesis Inc. paid the most, $112.

General payments to Dr. Chen by program year, 2023 to 2024

Companies that paid Dr. Chen the most, 2023 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Chen

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

Dr. Benjamin C. Chen graduated from Tulane School of Medicine

Dr. Chen graduated from Tulane School of Medicine in 2018.

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

Source: Dmand AI Professional Profile Data

Dr. Benjamin C. Chen accepts plans from 14 insurance carriers

Dr. Chen is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Chen accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Benjamin C. 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
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Dr. Benjamin C. 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. Benjamin C. Chen's NPI number?

Dr. Benjamin C. Chen's NPI number is 1396236527. It was assigned on May 23, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Benjamin C. Chen?

Dr. Benjamin C. Chen is an infectious disease specialist in Corvallis, Oregon. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Benjamin C. Chen practice?

Dr. Chen practices at 3600 NW Samaritan Dr, Corvallis, OR 97330. Dr. Chen's primary practice is Good Samaritan Regional Medical Center in Corvallis, Oregon. Dmand AI also links Dr. Chen to 2 hospitals and 3 medical groups.

What is Dr. Benjamin C. Chen's office phone number?

The practice phone on file for Dr. Chen is (541) 768-5111.

What is Dr. Benjamin C. Chen's medical license number?

Dr. Chen's California license number on file is A174229, one of the licenses on file in 2 states.

Which states has Dr. Benjamin C. Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2021 to 2025) and Iowa (2018 to 2021).

Which hospitals is Dr. Benjamin C. Chen affiliated with?

Dr. Chen is affiliated with OHSU Hospital. Dmand AI links Dr. Chen to 2 more hospitals.

What medical group is Dr. Benjamin C. Chen part of?

Dr. Chen is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Chen to 3 more medical groups.

Does Dr. Benjamin C. Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 226 services in 2024, and Dr. Chen accepts Medicare assignment.

Does Dr. Benjamin C. Chen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Benjamin C. Chen's MIPS score?

Dr. Chen'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. Benjamin C. Chen see?

CMS counts 182 Medicare patients who saw Dr. Chen in 2024, with an average age of 68.

Is Dr. Benjamin C. Chen board certified?

Yes. Dr. Chen is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Benjamin C. Chen bill to Medicare?

In 2024, Dr. Chen's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99233).

Where did Dr. Benjamin C. Chen go to medical school?

Dr. Chen graduated from Tulane School of Medicine in 2018.

What drugs does Dr. Benjamin C. Chen prescribe most?

In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Biktarvy and Isoniazid.

Has Dr. Benjamin C. Chen received payments from drug or device companies?

CMS Open Payments shows $161 in general payments to Dr. Chen from 2 companies from 2023 to 2024. The largest total came from Organogenesis Inc.

How long has Dr. Benjamin C. Chen been practicing?

Dr. Chen graduated from medical school in 2018, 8 years ago.

Does Dr. Benjamin C. Chen do research?

Dmand AI links 4 publications to Dr. Chen, published from 2020 to 2021.

Who does Dr. Benjamin C. Chen publish with?

Dr. Chen's most frequent co-authors are Takaaki Kobayashi, MD (4 shared papers), Poorani Sekar, MD (3 shared papers) and Daniel J. Diekema, MD (1 shared paper).

What insurance does Dr. Benjamin C. Chen accept?

Dr. Chen is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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