MARK R WENDLING (M.D.) – Surgery Physician, NPI 1215164314

MARK R WENDLING (M.D.) is a healthcare provider. based in Chicago, Illinois. specializing in GENERAL SURGERY. They hold the professional credentials M.D.. They hold a License No. 65729 (WI). The NPI Number for MARK R WENDLING (M.D.) is 1215164314

Main info

Male
17 Years Of Experience
Accepts Medicare Assignment
Name
MARK R WENDLING (M.D.)
NPI
1215164314
Phone
(800) 326-2250
Address
PO BOX 735044
Enumeration Date
16 June 2009
Last Update Date
17 September 2025

Doctor Profile

Medical School Name
MEDICAL COLLEGE OF WISCONSIN
Secondary Phone
4142578500
Graduation Year
2009 (17 years ago)
PAC ID
7416198759
Group Practice PAC ID
6709794258
Professional Enrollment ID
I20160929000089
Address ID
WI532144734WE7220XAVEX400

Contacts

FHIR Endpoint
https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Secure Messaging
mwendling3302@direct.myadvocateaurora.org
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience56
Completeness95
Years active:16State licenses:1Other names

848 GENERAL SURGERY in WI

Loading map...

Provider Addresses for MARK R WENDLING (M.D.)

  • PO BOX 735044

    CHICAGO, IL 606735044

    Phone: (800) 326-2250

    Type: Mailing

  • West Greenfield Avenue, West Allis, Milwaukee County, Wisconsin, 53222:53228, United States

    WEST ALLIS, WI 532144958

    Phone: (414) 257-8500

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $124.

Total Amount is formed as General ($124) + Research ($0) + Ownership ($0) = $124.

Last reported payment date: 2024-04-26 • Largest payer in this snapshot: Baxter Healthcare ($78).

Total Amount

$124

General + Research + Ownership

Payments

3

Total payment records

General Amount

$124

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-26

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2016-09-29

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20160929000089IGeneral SurgeryWITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes2727$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes2419$0
99204New patient office or other outpatient visit, 45-59 minutes1414$0
View full utilization report →

Insurance plans in this area (ZIP 60673)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6709794258View full group profile

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What NPI should I save for MARK R WENDLING (M.D.)?
Save NPI 1215164314 if you need a stable reference for MARK R WENDLING (M.D.).
Is MARK R WENDLING (M.D.)'s NPI currently valid?
The extract we use shows MARK R WENDLING (M.D.) as active.
Does MARK R WENDLING (M.D.) list a primary specialty?
If you are matching referrals, note Surgery Physician for MARK R WENDLING (M.D.). Clinical services aligned with this taxonomy classification.
Where is MARK R WENDLING (M.D.)'s primary listing?
We display Chicago, Illinois because that is what the record indicates for MARK R WENDLING (M.D.).
Is MARK R WENDLING (M.D.) a real provider?
This page reflects official NPPES data for NPI 1215164314. Always confirm identity and privileges with the practice and licensing boards.

Similar Providers

PO BOX 7412011
NPI: 1205839404

DR. RYAN COURTNEY FIELDS (MD)

Surgical Oncology Physician
PO BOX 7412011
NPI: 1912900440

GREGORY LEE JUHL (MD)

Surgery Physician
Music Box Theatre, 3733, North Southport Avenue, Wrigleyville, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60613, United States
NPI: 1205830098

DR. RAJESH A JOSEPH (M.D.)

Gastroenterology Physician
Music Box Theatre, 3733, North Southport Avenue, Wrigleyville, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60613, United States
NPI: 1831193275
Music Box Theatre, 3733, North Southport Avenue, Wrigleyville, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60613, United States
NPI: 1134124977
2160, South 1st Avenue, Maywood, Proviso Township, Cook County, Illinois, 60153, United States
NPI: 1770588287
PO BOX 776084
NPI: 1457350936

ASHWIN M SHAH, MD, SC

Surgery Physician
520, East 22nd Street, Highland Hills, Lombard, DuPage County, Illinois, 60148, United States
NPI: 1114926573

DR. JOHN H WHITE (M.D.)

Surgery Physician
1860 PAYSPHERE CIR
NPI: 1811996713