Katherine P. Ponder, MD
Hematology (Internal Medicine) Physician · Saint Louis, MO
Katherine P. Ponder, MD is a hematology (internal medicine) physician with a practice address in Saint Louis, Missouri, and NPI 1689692493, issued on Jul 18, 2006. Check the license (Missouri R3N04, 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 P. Ponder
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- R3N04 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 362-8808
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 26, 2026
- Fax
- (314) 362-8826
- Medicaid ID
- 283010183 MO
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 22 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine P. Ponder 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 R3N04Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.39
1 payment: food and beverage; the largest payer was Becton, Dickinson and Company. The 721 providers of this specialty with any payment received $13,778.35 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.
Katherine P. Ponder among 22 hematology (internal medicine) physician records in Missouri
Katherine P. Ponder, MD is one of 22 hematology (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 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 64% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Missouri
There are 22 hematology (internal medicine) physician records in Missouri.
All 22 in Missouri → Every provider in Saint Louis → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Helen Ajufo, MDSaint Louis, MO 631101497282115
- Vorachart Auethavekiat, MDSaint Louis, MO 631101003872615
- Scot Hickman, MDSaint Louis, MO 631101114976818
- Gregory Longmore, MDSaint Louis, MO 631101912924473
- Amir Mahmoud, MDSaint Louis, MO 631101619549078
- Elaine Majerus, MDSaint Louis, MO 631101326064544
- Joshua Siner, MDSaint Louis, MO 631101467944520
- Douglas Tollefsen, MDSaint Louis, MO 631101679599815
Common questions
What is Katherine P. Ponder, MD's NPI number?
Katherine P. Ponder, MD's National Provider Identifier (NPI) is 1689692493, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine P. Ponder, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-8808. Providers update this record themselves, so call before visiting.
How can I verify Katherine P. Ponder, MD's license?
NPPES lists Missouri license number R3N04, 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.
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.