DR. CHRISTOPHER F MILDENBERG (MD) – Internal Medicine Physician, NPI 1154409175

DR. CHRISTOPHER F MILDENBERG (MD) is a healthcare provider. based in Sturgeon bay, Wisconsin. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 49841 (WI). The NPI Number for DR. CHRISTOPHER F MILDENBERG (MD) is 1154409175

Main info

Male
25 Years Of Experience
Accepts Medicare Assignment
Name
DR. CHRISTOPHER F MILDENBERG (MD)
NPI
1154409175
Phone
(920) 818-1001
Address
30 N 18TH AVE STE 4B
Enumeration Date
1 November 2006
Last Update Date
28 August 2025

Doctor Profile

Medical School Name
MEDICAL COLLEGE OF WISCONSIN
Secondary Phone
9208181001
Graduation Year
2001 (25 years ago)
PAC ID
0648297127
Group Practice PAC ID
3274842034
Professional Enrollment ID
I20061212000188
Address ID
WI542353207ST30XXXAVEX404
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience66
Completeness85
Years active:19State licenses:2Digital endpointsOther names

2,941 INTERNAL MEDICINE in WI

Provider Addresses for DR. CHRISTOPHER F MILDENBERG (MD)

  • 30 N 18TH AVE STE 4B

    STURGEON BAY, WI 542353207

    Phone: (920) 818-1001

    Fax: (833) 438-1838

    Type: Mailing

  • DOOR COUNTY MEDICAL CENTER STURGEON BAY CLINIC

    323 S 18TH AVE

    STURGEON BAY, WI 542351401

    Phone: (920) 746-0510

    Type: Mailing

  • 323 S 18TH AVE

    STURGEON BAY, WI 542351401

    Phone: (920) 746-0510

    Type: Location

  • Columbia College of Nursing, 4425, North Port Washington Road, Grover Heights, Glendale, Milwaukee County, Wisconsin, 53212, United States

    ATTN: CSMCP CLINIC CREDENTIALING

    GLENDALE, WI 532121082

    Phone: (262) 377-6933

    Fax: (262) 376-2495

    Type: Mailing

  • 2793, Lineville Road, Suamico, Brown County, Wisconsin, 54313, United States

    GREEN BAY, WI 543137152

    Phone: (920) 496-4700

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $38.

Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.

Last reported payment date: 2023-05-03 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($38).

Total Amount

$38

General + Research + Ownership

Payments

1

Total payment records

General Amount

$38

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-05-03

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: 2006-12-12

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
I20061212000188IInternal MedicineWITBD

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.

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

Insurance plans in this area (ZIP 54235)

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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: 3274842034View full group profile
NameSpecialtyState
Physician AssistantWI
Internal MedicineWI
Family PracticeCA
Nurse PractitionerWI
Family PracticeWI
Internal MedicineWI
-WI
Internal MedicineWI
Family PracticeWI
Nurse PractitionerWI

Reviews

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Frequently asked questions

Does DR. CHRISTOPHER F MILDENBERG (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. CHRISTOPHER F MILDENBERG (MD) uses 1154409175.
Does CMS list DR. CHRISTOPHER F MILDENBERG (MD) as active?
Yes — DR. CHRISTOPHER F MILDENBERG (MD) is active in the NPI listing used on this page.
What is DR. CHRISTOPHER F MILDENBERG (MD)'s primary classification?
Internal Medicine Physician is the headline specialty for DR. CHRISTOPHER F MILDENBERG (MD) here. Clinical services aligned with this taxonomy classification.
Where is DR. CHRISTOPHER F MILDENBERG (MD) based?
DR. CHRISTOPHER F MILDENBERG (MD) is tied to Sturgeon Bay, Wisconsin in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
6 practice locations appear in the available data.

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