Katherine Lynn Chen
- Part D claims, 2024
- 17
- Hospital affiliations
- 1
- Industry payments
- $352
- Medical group
- 1
- State license
- 1
- Practice address
- 6420 Clayton Rd, Saint Louis, MO 63117
- Practice phone
- Call (314) 768-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katherine 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.
Katherine Lynn Chen is an obstetrics physician in Saint Louis, Missouri
Katherine Chen practices at SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri, part of SSM Health Care.
Katherine Chen's NPI, 1740819937, was assigned on April 8, 2020. Katherine Chen graduated from Medical College of Ohio in 2020. Katherine Chen holds Missouri license 2024028224.
- NPI
- 1740819937NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426489162
- NPI enumeration date
- April 8, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 768-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Lynn Chen practices at SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri
Katherine Chen's primary practice is SSM Health St. Mary's Hospital - St. Louis, at 6420 Clayton Rd, Saint Louis, MO 63117 in St. Louis County. The practice phone is (314) 768-8000.
- SSM Health St. Mary's Hospital - St. Louis6420 Clayton Rd, Saint Louis, MO 63117 · St. Louis CountyPhone(314) 768-8000
Source: Dmand AI Affiliation Data
Katherine Lynn Chen is affiliated with 2 sites of care and 1 medical group
Katherine Chen's primary practice is SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri, part of SSM Health Care. The medical group on file is SLUCare Physician Group. Dmand AI also links Katherine Chen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine Lynn Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Chen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - St. Louis | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across SSM Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Katherine Lynn Chen is one of 13 obstetrics physicians in Missouri
Obstetrics is Katherine Chen's primary specialty in the NPI Registry, under taxonomy code 207VX0000X. Katherine Chen is licensed in Missouri.
Specialties and state licenses
- Obstetrics, MissouriPrimary
Obstetrics physicians near Katherine Chen
Counts of obstetrics physicians 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
Katherine Lynn Chen's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Katherine Chen's median patient age at 32, with 100% women.
Katherine 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 32
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Katherine Lynn Chen wrote 17 Medicare Part D claims in 2024
In 2024, Katherine Chen wrote 17 Medicare Part D claims. 76% of them were for generic drugs. They cover 2 drugs, with $162 in total drug cost. In 2022, CMS named 33 claims across 2 drugs.
Katherine Chen's Part D claims by kind of drug, 2024
- Generic13 claims76%
- Brand-name and other4 claims24%
Katherine Chen's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 332023: 309%
Drugs named by CMS: 2 in 2023, 2 in 2022.
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 Katherine Lynn Chen takes part in Medicare
Katherine 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)
For MedTech and pharma teams
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Katherine Lynn Chen received $352 in industry payments from 2022 to 2025
CMS Open Payments shows 10 general payments to Katherine Chen from 7 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 61% of the total. Sun Pharmaceutical Industries Inc. paid the most, $137.
General payments to Katherine Chen by program year, 2022 to 2025
General payments to Katherine Chen by kind, 2022 to 2025
- Food and beverage$21561%
- Education$13739%
Companies that paid Katherine Chen the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Katherine Lynn Chen graduated from Medical College of Ohio
Katherine Chen graduated from Medical College of Ohio in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Katherine Lynn 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Katherine Lynn 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 Katherine Lynn Chen's NPI number?
Katherine Lynn Chen's NPI number is 1740819937. It was assigned on April 8, 2020, and it is active in the NPI Registry.
What does Katherine Lynn Chen specialize in?
Katherine Lynn Chen is an obstetrics physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Obstetrics Physician (taxonomy code 207VX0000X).
Where does Katherine Lynn Chen practice?
Katherine Chen practices at 6420 Clayton Rd, Saint Louis, MO 63117. Katherine Chen's primary practice is SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri, part of SSM Health Care. Dmand AI also links Katherine Chen to 1 group practice or clinic.
What is Katherine Lynn Chen's office phone number?
The practice phone on file for Katherine Chen is (314) 768-8000.
What is Katherine Lynn Chen's medical license number?
Katherine Chen holds Missouri license 2024028224.
Which hospitals is Katherine Lynn Chen affiliated with?
Katherine Chen practices at SSM Health St. Mary's Hospital - St. Louis in Saint Louis, Missouri.
What medical group is Katherine Lynn Chen part of?
Katherine Chen is linked to SLUCare Physician Group.
Does Katherine Lynn Chen accept Medicare?
Yes. CMS lists Katherine Chen as accepting Medicare assignment.
Where did Katherine Lynn Chen go to medical school?
Katherine Chen graduated from Medical College of Ohio in 2020.
What drugs does Katherine Lynn Chen prescribe most?
In 2023 Medicare Part D data, Katherine Chen's most prescribed drugs by claims were Ibuprofen and Oxycodone HCl.
Has Katherine Lynn Chen received payments from drug or device companies?
CMS Open Payments shows $352 in general payments to Katherine Chen from 7 companies from 2022 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Katherine Lynn Chen been practicing?
Katherine Chen graduated from medical school in 2020, 6 years ago.
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