STEPHANIE M SITTERDING (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1144460825

STEPHANIE M SITTERDING (M.D.) is a healthcare provider. based in Winfield, Illinois. specializing in PATHOLOGY. They hold the professional credentials M.D.. They hold a License No. 036116698 (IL). The NPI Number for STEPHANIE M SITTERDING (M.D.) is 1144460825

Main info

Female
22 Years Of Experience
Accepts Medicare Assignment
Name
STEPHANIE M SITTERDING (M.D.)
NPI
1144460825
Phone
(630) 933-2048
Address
25 N WINFIELD RD
Enumeration Date
20 February 2009
Last Update Date
1 June 2011

Doctor Profile

Medical School Name
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Secondary Phone
6309332048
Graduation Year
2004 (22 years ago)
PAC ID
7719037944
Group Practice PAC ID
9931101102
Professional Enrollment ID
I20090610000382
Address ID
IL601901295WI25XXXRDXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:17State licenses:1Digital endpointsOther names

766 PATHOLOGY in IL

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Provider Addresses for STEPHANIE M SITTERDING (M.D.)

  • Northwestern Medicine Central DuPage Hospital, 25, North Winfield Road, Geneva Road, Winfield, DuPage County, Illinois, 60190, United States

    WINFIELD, IL 601901222

    Phone: (630) 933-2048

    Type: Location

  • Carol Stream Police Department, Hiawatha Drive, Carol Stream, Bloomingdale Township, DuPage County, Illinois, 60188, United States

    CAROL STREAM, IL 601220021

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2009-06-10

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
I20090610000382IPathologyILTBD

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
88305Pathology examination of tissue using a microscope, intermediate complexity1,242653$0
84165Protein measurement, serum517446$0
86334Immunologic analysis technique on serum (immunofixation)357290$0
88341Special stained specimen slides to examine tissue, each additional procedure32397$0
88342Special stained specimen slides to examine tissue, initial procedure186139$0
View full utilization report →

Insurance plans in this area (ZIP 60190)

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Provider's Procedures

STEPHANIE M SITTERDING (M.D.) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYIL88304Pathology examination of tissue using a microscope, moderately low complexity8580
PATHOLOGYIL88307Pathology examination of tissue using a microscope, moderately high complexity14385
PATHOLOGYIL88342Tissue or cell analysis by immunologic technique8279

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: 9931101102View full group profile
NameSpecialtyState
P A T H O L O G YIL
P A T H O L O G YIL
P A T H O L O G YIL
P A T H O L O G YIL
P A T H O L O G YIA
P A T H O L O G YIA
P A T H O L O G YIL
P A T H O L O G YUT
-IL
P A T H O L O G YIL

Reviews

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Frequently asked questions

Where can patients find STEPHANIE M SITTERDING (M.D.)'s NPI?
You can confirm STEPHANIE M SITTERDING (M.D.) with NPI 1144460825; it appears in the national provider directory.
Does this profile mean STEPHANIE M SITTERDING (M.D.) is currently active?
Yes — STEPHANIE M SITTERDING (M.D.) appears active in the national provider directory.
Does STEPHANIE M SITTERDING (M.D.) list a primary specialty?
If you are matching referrals, note Anatomic Pathology & Clinical Pathology Physician for STEPHANIE M SITTERDING (M.D.). Clinical services aligned with this taxonomy classification.
Where does public data place STEPHANIE M SITTERDING (M.D.)?
The snapshot lists Winfield, Illinois for STEPHANIE M SITTERDING (M.D.); download NPPES for the complete set.
What if Winfield, Illinois seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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