Clin Gastroenterol Hepatol
Dr. Shawn C. Chen, MD
- Medicare services, 2024
- 1,221
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 14,687
- Publications
- 9
- Industry payments
- $45
- Practice address
- 1335 Strassner Dr, Saint Louis, MO 63144
- Practice phone
- Call (512) 339-1275
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clinical Pathology Laboratories, Inc.
Saint Louis, Missouri
Find Dr. Chen'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. Shawn C. Chen is an internist in Saint Louis, Missouri
Dr. Chen practices at Clinical Pathology Laboratories, Inc. in Saint Louis, Missouri.
Dr. Chen's NPI, 1710952668, was assigned on February 22, 2006. Dr. Chen graduated from McGovern Medical School in 2002. Dr. Chen's Texas license number on file is N1281.
- NPI
- 1710952668NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123068806
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 339-1275
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shawn C. Chen practices at Clinical Pathology Laboratories, Inc. in Saint Louis, Missouri
Dr. Chen's primary practice is Clinical Pathology Laboratories, Inc., at 1335 Strassner Dr, Saint Louis, MO 63144 in Saint Louis County. The practice phone is (512) 339-1275.
- Clinical Pathology Laboratories, Inc.1335 Strassner Dr, Saint Louis, MO 63144 · Saint Louis CountyPhone(512) 339-1275
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Shawn C. Chen is affiliated with 5 sites of care and 1 medical group
Dr. Chen's primary practice is Clinical Pathology Laboratories, Inc. in Saint Louis, Missouri. The medical group on file is Lonestar Hospital Medicine Associates, PA. Dmand AI also links Dr. Chen to 2 more hospices, 1 physician office and 1 home health agency, each 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. Shawn C. Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clinical Pathology Laboratories, Inc. | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shawn C. Chen is one of 2,114 internists in Missouri
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: Texas and Indiana.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Indiana license
Clinical focus
Dmand AI lists acid reflux, alzheimer's disease, anxiety, arthritis, asthma, atrial fibrillation and flutter, chronic diabetes and chronic hypertension among the conditions Dr. Chen treats.
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. Shawn C. Chen billed Medicare for 1,221 services in 2024
CMS data shows 1,221 Medicare services from Dr. Chen across 7 procedure codes in 2024, for 155 Medicare patients. Medicare paid $105,507 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4712024: 1,10325%
- Other services
- 2023: 1532024: 11823%
Dr. Chen compared with the Missouri median for internists, 2024
- Dr. Chen
- Missouri median
- Medicare services
- 1,221vs 5302.3 times
- Medicare patients
- 155vs 21127% below
- Part D claims
- 14,234vs 32543.8 times
Medians across 2,076 internists in Missouri 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.
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 Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shawn C. Chen treated 155 Medicare patients in 2024, average age 85
CMS counts 155 Medicare patients who saw Dr. Chen in 2024. The largest group is 85 and over, with 82 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.84, 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 86, with 66% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women10366%
- Men5234%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- Alzheimer's and dementia72%
- High cholesterol72%
- Depression65%
- Mood disorders65%
- Anxiety53%
- Atrial fibrillation32%
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 86
Patient panel by sex, all payers
- Women66%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shawn C. Chen wrote 14,687 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 14,687 Medicare Part D claims for 243 patients. 93% of them were for generic drugs. CMS names the drug for 14,234 of them, across 142 drugs with 11 or more claims each, at $657,339 in total drug cost. In 2023, CMS named 14,578 claims across 148 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic13,613 claims93%
- Brand-name1,060 claims7%
- Other14 claims0%
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
- Opioids2%264 of 14,687 claims
- Antibiotics2%253 of 14,687 claims
- Antipsychotics, patients 65 and over5%701 of 14,687 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 14,5782024: 14,2342%
Drugs named by CMS: 142 in 2024, 148 in 2023.
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
How Dr. Shawn C. Chen takes part in Medicare
Dr. Chen 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. Shawn C. Chen has 9 publications on record
Dmand AI links 9 papers to Dr. Chen, published from 2006 to 2007. 2007 was the busiest year, with 2. The most frequent topics are Colonoscopy, Colorectal Neoplasms and Adenoma. Dr. Chen has published most often in Am J Gastroenterol.
Topics Dr. Chen writes about most
- Colonoscopy
- Colorectal Neoplasms
- Adenoma
- Clinical Competence
- Colonic Polyps
- Conscious Sedation
- Monitoring, Physiologic
- Patient Satisfaction
Recent publications by Dr. Chen
Am J Gastroenterol
J Clin Gastroenterol
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. Shawn C. Chen received $45 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Chen from 3 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Medline Industries, Inc. paid the most, $19.
General payments to Dr. Chen by program year, 2016 to 2023
Companies that paid Dr. Chen the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shawn C. Chen graduated from McGovern Medical School
Dr. Chen graduated from McGovern Medical School in 2002.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Shawn C. Chen accepts plans from 17 insurance carriers
Dr. Chen is in network with 17 carriers, including United Healthcare, HCSC and Aetna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- United Healthcare
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Elevance
- Regence Health Plans
- +9 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO10
- HMO8
- Medicare6
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Shawn C. 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 |
| 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) |
| 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) |
| Part D prescribing | Medicare 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 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Shawn 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. Shawn C. Chen's NPI number?
Dr. Shawn C. Chen's NPI number is 1710952668. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Shawn C. Chen?
Dr. Shawn C. Chen is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Shawn C. Chen practice?
Dr. Chen practices at 1335 Strassner Dr, Saint Louis, MO 63144. Dr. Chen's primary practice is Clinical Pathology Laboratories, Inc. in Saint Louis, Missouri. Dmand AI also links Dr. Chen to 2 hospices, 1 physician office and 1 home health agency.
What is Dr. Shawn C. Chen's office phone number?
The practice phone on file for Dr. Chen is (512) 339-1275.
What is Dr. Shawn C. Chen's medical license number?
Dr. Chen's Texas license number on file is N1281, one of the licenses on file in 2 states.
Which states has Dr. Shawn C. Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in Texas (2008 to 2025) and Indiana (2005 to 2011).
What medical group is Dr. Shawn C. Chen part of?
Dr. Chen is linked to Lonestar Hospital Medicine Associates, PA.
Does Dr. Shawn C. Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 1,221 services in 2024, and Dr. Chen accepts Medicare assignment.
How many Medicare patients does Dr. Shawn C. Chen see?
CMS counts 155 Medicare patients who saw Dr. Chen in 2024, with an average age of 85.
Is Dr. Shawn C. Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Shawn C. Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were home visit (99349), medicare service (G0179) and medicare service (G0180).
Where did Dr. Shawn C. Chen go to medical school?
Dr. Chen graduated from McGovern Medical School in 2002.
What drugs does Dr. Shawn C. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Donepezil HCl, Atorvastatin Calcium and Escitalopram Oxalate.
Has Dr. Shawn C. Chen received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Dr. Chen from 3 companies from 2016 to 2023. The largest total came from Medline Industries, Inc.
How long has Dr. Shawn C. Chen been practicing?
Dr. Chen graduated from medical school in 2002, 24 years ago.
Does Dr. Shawn C. Chen do research?
Dmand AI links 9 publications to Dr. Chen, published from 2006 to 2007.
What insurance does Dr. Shawn C. Chen accept?
Dr. Chen is in network with 17 carriers, including United Healthcare, HCSC and Aetna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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