Kathryn R. Henderson, M.D.
Internal Medicine Physician · Saint Louis, MO
Kathryn R. Henderson, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1962630434, issued on Jun 23, 2009. Check the license (Missouri 2012026899, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Kathryn R. Henderson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2012026899 MO
Self-reported in NPPES; status is on the state search - Practice location
- 5034 Griffin RD, Saint Louis, MO 63128
- Phone
- (314) 843-7333
- Enumerated
- Jun 23, 2009
- Record last updated
- Jan 9, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (314) 843-9946
- Medicare enrollment
- Enrolled (PECOS I20120921000662); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 5034 Griffin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Curt Calcaterra, M.D.Internal Medicine Physician1205827557
- Kathleen Cizek, M.D.Internal Medicine Physician1083605331
- Marissa Digregorio, DNP, AGNPAdult Health Nurse Practitioner1700561321
- James Ebel, M.D.Internal Medicine Physician1174504146
- Christopher Espana, M.D.Family Medicine Physician1003922634
- Robert Geekie, M.D.Internal Medicine Physician1528059730
Verify Kathryn R. Henderson 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 2012026899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average internal medicine physician in 2024
15,643 Medicare Part D claims for 946 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 667 claims were for opioids.
Most prescribed
- Atorvastatin Calcium957 claims
- Levothyroxine Sodium629 claims
- Amlodipine Besylate524 claims
- Lisinopril503 claims
- Losartan Potassium457 claims
- Omeprazole413 claims
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: $512.68
26 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- American Multispecialty Group IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn R. Henderson among 2,604 internal medicine physician records in Missouri
Kathryn R. Henderson, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 50% of them.
- NPI issued2009 · 50% of these records are older, 48% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2009 · median 2006 among the 1,443 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Bowe, MDSaint Louis, MO 631281003816976
- Curt Calcaterra, M.D.Saint Louis, MO 631281205827557
- Kathleen Cizek, M.D.Saint Louis, MO 631281083605331
- Robert Curtin, MDSaint Louis, MO 631281538169495
- James Ebel, M.D.Saint Louis, MO 631281174504146
- Michael Fedak, M.D.Saint Louis, MO 631281174514384
- Patrick Garrett, M.D.Saint Louis, MO 631281669466629
- Robert Geekie, M.D.Saint Louis, MO 631281528059730
Common questions
What is Kathryn R. Henderson, M.D.'s NPI number?
Kathryn R. Henderson, M.D.'s National Provider Identifier (NPI) is 1962630434, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn R. Henderson, M.D. located?
The NPPES record lists a practice address at 5034 Griffin RD, Saint Louis, MO, 63128. Phone: (314) 843-7333. Providers update this record themselves, so call before visiting.
How can I verify Kathryn R. Henderson, M.D.'s license?
NPPES lists Missouri license number 2012026899, 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 Kathryn R. Henderson, M.D. prescribe under Medicare Part D?
In 2024, Kathryn R. Henderson, M.D. had 15,643 Medicare Part D claims for 946 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.