Katherine Lynn Chen
Obstetrics Physician · Richmond Heights, MO
Katherine Lynn Chen is an obstetrics physician with a practice address in Richmond Heights, Missouri, and NPI 1740819937, issued on Apr 8, 2020. Check the license (Missouri 2024028224, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Katherine Lynn Chen
- Primary taxonomy
- Obstetrics Physician 207VX0000X
- License number
- 2024028224 MO
Self-reported in NPPES; status is on the state search - Practice location
- 6400 Clayton RD Ste 2800, Richmond Heights, MO 63117
- Phone
- (314) 767-8873
- Enumerated
- Apr 8, 2020
- Record last updated
- Jul 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20240729002314); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 2020
- Entity
- Type 1 · individual
8 nearest obstetrics physician records → All 23 in Missouri → Look up another NPI →
Verify Katherine Lynn Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2024028224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average obstetrics physician in 2024
17 Medicare Part D claims, against an average of 218 among the 863 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $57.13
4 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 679 providers of this specialty with any payment received $826.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Lynn Chen among 23 obstetrics physician records in Missouri
Katherine Lynn Chen is one of 23 obstetrics physician records with a practice address in Missouri. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 0% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2020 · median 2013 among the 11 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics Physician providers in Missouri
There are 23 obstetrics physician records in Missouri.
All 23 in Missouri → Every provider in Richmond Heights → Obstetrics Physician nationwide →
The 8 obstetrics physician records with the nearest ZIP codes
- William Gerber, M.D.Saint Louis, MO 631171225069719
- Aliza MachefskySaint Louis, MO 631171841646908
- Katherine Mathews, MDSaint Louis, MO 631171891860383
- Lola Loeb, MDSt Louis, MO 631121194904755
- Halley Staples, MDSaint Louis, MO 631101407471667
- Donald Lange, MDSaint Louis, MO 631281356332761
- Margaret McCarthy, M.D.Saint Louis, MO 631311609986629
- John Medler, M. D.Saint Albans, MO 630731265663348
Common questions
What is Katherine Lynn Chen's NPI number?
Katherine Lynn Chen's National Provider Identifier (NPI) is 1740819937, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Lynn Chen located?
The NPPES record lists a practice address at 6400 Clayton RD Ste 2800, Richmond Heights, MO, 63117. Phone: (314) 767-8873. Providers update this record themselves, so call before visiting.
How can I verify Katherine Lynn Chen's license?
NPPES lists Missouri license number 2024028224, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Lynn Chen prescribe under Medicare Part D?
In 2024, Katherine Lynn Chen had 17 Medicare Part D claims; the average among obstetrics physician prescribers was 218. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.