MS. CRISTINA BUDDE SANGER (M.D.) – Colon & Rectal Surgery Physician, NPI 1851617617

MS. CRISTINA BUDDE SANGER (M.D.) is a healthcare provider. based in Middleton, Wisconsin. specializing in COLORECTAL SURGERY (PROCTOLOGY), GENERAL SURGERY. They hold the professional credentials M.D.. They hold a License No. 67750 (WI). The NPI Number for MS. CRISTINA BUDDE SANGER (M.D.) is 1851617617

Main info

Female
16 Years Of Experience
Accepts Medicare Assignment
Name
MS. CRISTINA BUDDE SANGER (M.D.)
NPI
1851617617
Phone
Not provided
Address
7974 UW HEALTH CT
Enumeration Date
19 April 2010
Last Update Date
29 January 2021

Doctor Profile

Medical School Name
MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Secondary Phone
6082636400
Graduation Year
2010 (16 years ago)
PAC ID
8820233596
Group Practice PAC ID
6608785464
Professional Enrollment ID
I20170824000899
Address ID
WI537920001MA600XXAVEX300

Contacts

Secure Messaging
cgeltzeiler851379@direct.uwhealth.org
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience66
Completeness85
Years active:16State licenses:1Other namesUpdated within 12 months

46 COLORECTAL SURGERY (PROCTOLOGY) in WI

Provider Addresses for MS. CRISTINA BUDDE SANGER (M.D.)

  • 7974 UW HEALTH CT

    MIDDLETON, WI 535625531

    Phone:

    Type: Mailing

  • 750 University Row

    Madison, WI 537051311

    Phone: (608) 890-5000

    Fax: (608) 833-6965

    Type: Location

  • 600 HIGHLAND AVE

    MADISON, WI 537921010

    Phone: (608) 263-7502

    Fax: (608) 263-7652

    Type: Location

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: 2017-08-24

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
I20170824000899IColorectal Surgery (Proctology)WITBD

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
46600Diagnostic exam of anus using an endoscope2317$0
99215Established patient office or other outpatient visit, 40-54 minutes1714$0
99214Established patient office or other outpatient visit, 30-39 minutes1111$0
View full utilization report →

Insurance plans in this area (ZIP 53562)

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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: 6608785464View full group profile
NameSpecialtyState
-WI
-WI
Nurse PractitionerWI
Nurse PractitionerWI
Family PracticeWI
-WI
-WI
-WI
Endocrinology, Internal MedicineWI
Medical Oncology, Hematology/OncologyCA

Reviews

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Frequently asked questions

What is the standard ID for MS. CRISTINA BUDDE SANGER (M.D.) in the U.S.?
In the U.S., MS. CRISTINA BUDDE SANGER (M.D.) is identified by NPI 1851617617.
Is MS. CRISTINA BUDDE SANGER (M.D.)'s NPI status active today?
Active status means MS. CRISTINA BUDDE SANGER (M.D.)'s NPI record is not deactivated in the public file.
How should patients interpret MS. CRISTINA BUDDE SANGER (M.D.)'s specialty?
The extract shows Colon & Rectal Surgery Physician for MS. CRISTINA BUDDE SANGER (M.D.). Clinical services aligned with this taxonomy classification.
What geographic area is tied to MS. CRISTINA BUDDE SANGER (M.D.)?
MS. CRISTINA BUDDE SANGER (M.D.) is associated with Middleton, Wisconsin in the same public data insurers reference.
Why is information missing for MS. CRISTINA BUDDE SANGER (M.D.)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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