MARK T SONTAG (M.D.) – Anesthesiology Physician, NPI 1528060381

MARK T SONTAG (M.D.) is a healthcare provider. based in Eau claire, Wisconsin. specializing in Anesthesiology Physician. They hold the professional credentials M.D.. They hold a License No. 29393 (WI). The NPI Number for MARK T SONTAG (M.D.) is 1528060381

Main info

Male
Name
MARK T SONTAG (M.D.)
NPI
1528060381
Phone
(715) 834-8721
Address
1101 W. CLAIREMONT AVE.
Enumeration Date
11 August 2005
Last Update Date
15 May 2014
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for MARK T SONTAG (M.D.)

  • 1101, West Clairemont Avenue, Upper Campus, Eau Claire, Eau Claire County, Wisconsin, 54701, United States

    STE. 2C

    EAU CLAIRE, WI 54701

    Phone: (715) 834-8721

    Fax: (715) 834-3087

    Type: Mailing

  • Mayo Clinic Health System-Luther Campus, 1221, Whipple Street, Randall Park, Eau Claire, Eau Claire County, Wisconsin, 54703, United States

    EAU CLAIRE, WI 547035270

    Phone: (715) 838-3311

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $32.

Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.

Last reported payment date: 2023-07-18 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($19).

Total Amount

$32

General + Research + Ownership

Payments

2

Total payment records

General Amount

$32

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-07-18

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 54701)

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Provider's Procedures

MARK T SONTAG (M.D.) performs procedures in Anesthesiology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ANESTHESIOLOGYWI00790Anesthesia for procedure in upper abdomen including use of an endoscope1313

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Frequently asked questions

What number should I use to identify MARK T SONTAG (M.D.) for billing?
Administrative and clinical systems typically use NPI 1528060381 for MARK T SONTAG (M.D.).
Is MARK T SONTAG (M.D.)'s NPI status active today?
Active status means MARK T SONTAG (M.D.)'s NPI record is not deactivated in the public file.
Which specialty label fits MARK T SONTAG (M.D.)?
NPPES ties MARK T SONTAG (M.D.) to Anesthesiology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Is MARK T SONTAG (M.D.) tied to Eau Claire, Wisconsin?
If you are local to Eau Claire, Wisconsin, MARK T SONTAG (M.D.) may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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