NPPES file of Aug 9, 2026

Mark J. Walterskirchen, M.D.

Urology Physician · Springfield, MO

Mark J. Walterskirchen, M.D. is a urology physician with a practice address in Springfield, Missouri, and NPI 1083637524, issued on Jul 25, 2006. Check the license (Missouri 2000155025, 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
1083637524
Name
Mark J. Walterskirchen
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License numbers
2000155025 MO
MD00048487 WA
Self-reported in NPPES; status is on the state search
Practice location
1965 S Fremont Ave, Springfield, MO 65804
Phone
(417) 820-0300
Enumerated
Jul 25, 2006
Record last updated
Jan 15, 2026
Fax
(417) 882-9645
Medicaid ID
204964605 MO
Medicare enrollment
Enrolled (PECOS I20060816000134); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest urology physician records → All 266 in Missouri → Look up another NPI →

Also registered at 1965 S Fremont Ave

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

  1. Rajamanikkam Anandarajah, MDInternal Medicine Physician1962560953
  2. Michael Ashley, MDSurgery Physician1225105638
  3. Lyndsey BakerNurse Practitioner1891623203
  4. Donald Balun, MDPsychiatry Physician1255387577
  5. Tyler Barnes, PA-CPhysician Assistant1477850964
  6. Inna Bates, FNP-CFamily Nurse Practitioner1588055578

Verify Mark J. Walterskirchen 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 2000155025    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

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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30% more Medicare Part D claims than the average urology physician in 2024

1,744 Medicare Part D claims for 495 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 137 claims were for opioids.

  1. Mark Walterskirchen1,744
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl400 claims
  2. Cephalexin170 claims
  3. Myrbetriq149 claims
  4. Finasteride140 claims
  5. Hydrocodone-Acetaminophen132 claims
  6. Ciprofloxacin Hcl107 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: $1,433.90

22 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Walterskirchen$1,433.90
  2. Specialty average$3,800.04

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

  1. Citizens Memorial HealthcareBolivar, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark J. Walterskirchen among 266 urology physician records in Missouri

Mark J. Walterskirchen, M.D. is one of 266 urology physician records with a practice address in Missouri. 85% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1991 · median 2004 among the 182 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Missouri

There are 266 urology physician records in Missouri.

All 266 in Missouri → Every provider in Springfield → Urology Physician nationwide →

The 8 urology physician records with the nearest ZIP codes

  1. Jeffrey Johnson, MDSpringfield, MO 658041750427399
  2. Robert Johnson, MDSpringfield, MO 658041841330412
  3. Brandi Miller, D.O.Springfield, MO 658041932463940
  4. Tyrun Richardson, M.D.Springfield, MO 658041205834074
  5. David Anderson, MDSpringfield, MO 658071477594505
  6. Barry Farber, M.D.Springfield, MO 658071073515151
  7. Howard Follis, MDSpringfield, MO 658071245278522
  8. Jennifer Malossi, M.D.Springfield, MO 658071003903550

Common questions

What is Mark J. Walterskirchen, M.D.'s NPI number?

Mark J. Walterskirchen, M.D.'s National Provider Identifier (NPI) is 1083637524, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark J. Walterskirchen, M.D. located?

The NPPES record lists a practice address at 1965 S Fremont Ave, Springfield, MO, 65804. Phone: (417) 820-0300. Providers update this record themselves, so call before visiting.

How can I verify Mark J. Walterskirchen, M.D.'s license?

NPPES lists Missouri license number 2000155025, 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 Mark J. Walterskirchen, M.D. prescribe under Medicare Part D?

In 2024, Mark J. Walterskirchen, M.D. had 1,744 Medicare Part D claims for 495 beneficiaries; the average among urology physician prescribers was 1,340. 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.