NPPES file of Aug 9, 2026

Mark S. Austenfeld, MD

Specialist · Kansas City, MO

Mark S. Austenfeld, MD is a specialist with a practice address in Kansas City, Missouri, and NPI 1801846910, issued on May 11, 2006. Check the license (Missouri 1099600, as entered in NPPES) with the Missouri board that licenses this profession; 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
1801846910
Name
Mark S. Austenfeld
Credential
MD
Primary taxonomy
Specialist 174400000X
License numbers
1099600 MO
04-22588 KS
Self-reported in NPPES; status is on the state search
Practice location
4321 Washington St, Kansas City, MO 64111
Phone
(816) 531-1234
Enumerated
May 11, 2006
Record last updated
Jan 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(816) 531-0737
Medicaid IDs
100116020F KS
202705927 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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8 nearest specialist records → All 443 in Missouri → Look up another NPI →

Also registered at 4321 Washington St

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

  1. Mark Allen, M.D.Gastroenterology Physician1457465163
  2. Gwendolyn Arnett, MDDiagnostic Radiology Physician1083610539
  3. James Bautz, M.D.Internal Medicine Physician1932128790
  4. Emily Beerman, NPAcute Care Nurse Practitioner1194174227
  5. Robert Belt, M.D.Hematology & Oncology Physician1710959887
  6. Thelma Blew, M.S.,R.D.,L.D.Registered Dietitian1114231149

Verify Mark S. Austenfeld in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 1099600    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
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average specialist in 2024

53 Medicare Part D claims for 20 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Mark Austenfeld53
  2. Specialty average1,380

Most prescribed

  1. Tamsulosin Hcl22 claims
  2. Finasteride11 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.

Mark S. Austenfeld among 443 specialist records in Missouri

Mark S. Austenfeld, MD is one of 443 specialist records with a practice address in Missouri. 20% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 60% newer
  • In a Medicare fileYes · 20% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2021 · 85% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Missouri

There are 443 specialist records in Missouri.

All 443 in Missouri → Every provider in Kansas City → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Shadae CarrKansas City, MO 641111457171308
  2. Kristie Clifft, OTRKansas City, MO 641111437225992
  3. Jamie Mehl, NPKansas City, MO 641111548210057
  4. Aubrey O'Connor, M.D.Kansas City, MO 641111619243904
  5. John Pawsat, M.D.Kansas City, MO 641111225231970
  6. Jeffrey Waters, M.D.Kansas City, MO 641111588603302
  7. Sidney Crawley, M.D.Kansas City, MO 641121093795569
  8. Numukunda Darboe, M.D.Kansas City, MO 641121265669162

Common questions

What is Mark S. Austenfeld, MD's NPI number?

Mark S. Austenfeld, MD's National Provider Identifier (NPI) is 1801846910, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Austenfeld, MD located?

The NPPES record lists a practice address at 4321 Washington St, Kansas City, MO, 64111. Phone: (816) 531-1234. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Austenfeld, MD's license?

NPPES lists Missouri license number 1099600, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Mark S. Austenfeld, MD prescribe under Medicare Part D?

In 2024, Mark S. Austenfeld, MD had 53 Medicare Part D claims for 20 beneficiaries; the average among specialist prescribers was 1,380. 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.