HALEY ALEXI PROBST MD
NPI 1285214635
Hospitalist in Madison, WI

Active since April 10, 2021PECOS EnrolledAccepts Medicare Assignment
700 S PARK ST, MADISON, WI 53715(608) 251-6100(608) 258-6259 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 14, 2025, Jun 25, 2024, Apr 6, 2023 and 1 more (4 updates tracked since 2021).

About Haley Alexi Probst Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HALEY ALEXI PROBST MD (NPI 1285214635) is an individual hospitalist provider in Madison, Wisconsin, licensed in Wisconsin (81515-20) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1285214635
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameHALEY ALEXI PROBSTCredential: MD
Location Address700 S PARK STMadison, WI 53715-1830
Mailing Address2846 Barlow StMadison, WI 53705-3622
Fax(608) 258-6259
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2021
Enumeration DateApril 10, 2021
Last NPPES UpdateAugust 14, 20254 updates tracked since enumeration
NPPES CertifiedAugust 14, 2025
NPI 1285214635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in WI · 81515-20
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 81515-20 (WI)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 81515-20 (WI)
700 S PARK ST, Madison, WI 53715

Secondary Practice Location 1

Location 12846 Barlow StMadison, WI 53705-3622 · Phone (262) 339-7182

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Haley Alexi Probst Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698177194
PECOS Enrollment IDI20240617001362
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services15 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520057
Location707 14th StBaraboo, WI 53913 · Sauk County
Emergency services Birthing friendly

Fort Memorial Hospital

Acute Care Hospitals · Fort Atkinson, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520071
Location611 Sherman Ave EFort Atkinson, WI 53538 · Jefferson County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Janesville

Acute Care Hospitals · Janesville, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number520208
Location3400 East Racine StreetJanesville, WI 53546 · Rock County
Emergency services Birthing friendly

Columbus Community Hospital

Critical Access Hospitals · Columbus, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521338
Location1515 Park AveColumbus, WI 53925 · Columbia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53715 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
700 S PARK ST
MADISON, WI 53715
Physician Assistant (Surgical)
700 S PARK ST, DEAN ST. MARY'S OUTPATIENT CENTER
MADISON, WI 53715
Physician Assistant
700 S PARK ST, DEAN MEDICAL CENTER
MADISON, WI 53715
Anesthesiology
700 S PARK ST
MADISON, WI 53715
Internal Medicine (Cardiovascular Disease)
700 S PARK ST, DEAN & ST. MARY'S OUTPATIENT CENTER
MADISON, WI 53715
Physician Assistant
700 S PARK ST
MADISON, WI 53715
Nurse Practitioner
700 S PARK ST
MADISON, WI 53715
Nurse Anesthetist, Certified Registered
700 S PARK ST
MADISON, WI 53715

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Haley Probst's NPI number?

The NPI number for Haley Probst is 1285214635. It was assigned to this individual provider in the NPPES registry on April 10, 2021.

Where is Haley Probst located?

Haley Probst practices at 700 S Park St, Madison, WI 53715. The listed phone number is (608) 251-6100.

What is Haley Probst's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Haley Probst enrolled in Medicare?

Yes. Haley Probst is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Haley Probst accept?

Health plans from Anthem Blue Cross and Blue Shield list Haley Probst as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Haley Probst affiliated with any hospitals?

According to CMS data, Haley Probst is affiliated with Ssm Health St Clare Hospital - Baraboo, Fort Memorial Hospital, Ssm Health St Mary's Hospital - Madison, Ssm Health St Mary's Hospital - Janesville and Columbus Community Hospital.

When was this NPI record last updated?

The NPPES record for Haley Probst was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.