NPPES file of Aug 9, 2026

Walter David Kistler, M.D.

Internal Medicine Physician · Saint Louis, MO

Walter David Kistler, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1922005834, issued on Jul 7, 2005. Check the license (Missouri R3878, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922005834
Name
Walter David Kistler
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
R3878 MO
Self-reported in NPPES; status is on the state search
Practice location
950 Francis PL, Saint Louis, MO 63105
Phone
(314) 721-0411
Enumerated
Jul 7, 2005
Record last updated
May 11, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(314) 721-5968
Medicaid ID
200690907 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 950 Francis PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeffrey Aschenbrenner, D.P.M.Foot & Ankle Surgery Podiatrist1528060191
  2. Richard Brandel, D.P.M.Podiatrist1154323657
  3. Christopher Chase, PTPhysical Therapist1205052305
  4. Zora Hanko, DMDDentist1194168112
  5. Michael Hoffmann, DDSDental Anesthesiology1558358176
  6. Dan Kelley, PTPhysical Therapist1902020076

Verify Walter David Kistler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R3878    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

131 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Walter Kistler131
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium14 claims
  2. Pantoprazole Sodium14 claims
  3. Simvastatin14 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.

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 941 in Saint Louis → All 2,604 in Missouri → Every provider in Saint Louis →

Other internal medicine physician records in Missouri

  1. Betty Abban, M.D.Springfield, MO1063893162
  2. Amer Abbas, MDSaint Louis, MO1508480666
  3. Fizza Abbas, MDSaint Louis, MO1588079230
  4. Marghoob Abbas, M.D.St Joseph, MO1588603781
  5. Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
  6. Sundas Abbas, MDRichmond Heights, MO1649790486
  7. Hajira Abbasi, DOSaint Louis, MO1194036947
  8. Catey Abbott, DOSaint Louis, MO1699355347
  9. David Abbott, MDRichmond Heights, MO1568448850
  10. Wael Abduljaber, MDSaint Louis, MO1174101489

Common questions

What is Walter David Kistler, M.D.'s NPI number?

Walter David Kistler, M.D.'s National Provider Identifier (NPI) is 1922005834, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Walter David Kistler, M.D. located?

The NPPES record lists a practice address at 950 Francis PL, Saint Louis, MO, 63105. Phone: (314) 721-0411. Providers update this record themselves, so call before visiting.

How can I verify Walter David Kistler, M.D.'s license?

NPPES lists Missouri license number R3878, 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 Walter David Kistler, M.D. prescribe under Medicare Part D?

In 2024, Walter David Kistler, M.D. had 131 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.