MARK A. WALSHAUSER , M.D.

Name: MARK A. WALSHAUSER , M.D.
Telephone: 6184167970

Location: 321 REGENCY PARK STE 100, O FALLON, IL, 62269

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Languages: English

Data Sources & Verification

NPI 1306020664 Medicare · CMS Confirmed M.D. Male provider

Data sourced from NPI Registry & CMS. Learn more ↗

Medicare Billing & Pricing 2023 data · 10,422 services billed

Injection of additional new drug or substance into vein · office

$75 $12

Established patient office or other outpatient visit, 30-39 minutes · office

$200 $93

Blood test, comprehensive group of blood chemicals · office

$73 $10

Insertion of needle into vein for collection of blood sample · office

$24 $8

Microscopic examination for white blood cells with manual cell count · office

$27 $4

Complete blood cell count (red cells, white blood cell, platelets), automated test · office

$43 $6

Provider charge · Medicare pays CMS Medicare Part B ↗

MARK A. WALSHAUSER , M.D. offers you comprehensive inpatient and outpatient medical services across multiple specialties in O Fallon, Illinois, United States.

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Frequently Asked Questions about MARK A. WALSHAUSER , M.D.

Where is the MARK A. WALSHAUSER , M.D. situated at?

MARK A. WALSHAUSER , M.D. is situated at 321 REGENCY PARK STE 100, O FALLON, IL, 62269.

Does MARK A. WALSHAUSER , M.D. accept Medicare?

Yes, MARK A. WALSHAUSER , M.D. is confirmed to accept Medicare based on CMS data. Contact them to confirm your specific Medicare plan is covered.

Is MARK A. WALSHAUSER , M.D. accepting new patients?

Please contact MARK A. WALSHAUSER , M.D. directly to confirm whether they are currently accepting new patients. You can call them or use the booking button on this page.

How can I book an appointment at MARK A. WALSHAUSER , M.D.?

You can book an appointment by clicking the "Book Appointment" button on this page or by calling the provider directly.

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Information last updated: June 30, 2026

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