MR. NATE SULLIVAN (APNP) – Nurse Practitioner, NPI 1891240610

MR. NATE SULLIVAN (APNP) is a healthcare provider. based in Reedsburg, Wisconsin. specializing in NURSE PRACTITIONER. They hold the professional credentials APNP. They hold a License No. 7194 (WI). The NPI Number for MR. NATE SULLIVAN (APNP) is 1891240610

Main info

Male
10 Years Of Experience
Accepts Medicare Assignment
Name
MR. NATE SULLIVAN (APNP)
NPI
1891240610
Phone
(608) 593-6050
Address
1104 21st St
Enumeration Date
22 August 2016
Last Update Date
5 December 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6087683900
Graduation Year
2016 (10 years ago)
PAC ID
6709172836
Group Practice PAC ID
6608785464
Professional Enrollment ID
I20160915001259
Address ID
WI539591156RE1104XSTXX300
Telehealth
Yes

Contacts

Secure Messaging
nsullivan8265166@direct.uwhealth.org
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience47
Completeness95
Years active:9State licenses:1Other names

6,035 NURSE PRACTITIONER in WI

Provider Addresses for MR. NATE SULLIVAN (APNP)

  • 1104 21st St

    Reedsburg, WI 539591156

    Phone: (608) 593-6050

    Type: Location

  • 20 S PARK ST

    MADISON, WI 537151348

    Phone: (608) 255-4223

    Fax: (608) 255-4449

    Type: Location

  • 7974 UW HEALTH CT

    MIDDLETON, WI 535625531

    Phone:

    Type: Mailing

  • 9252, North Green Bay Road, Brown Deer, Milwaukee County, Wisconsin, 53209, United States

    BROWN DEER, WI 532091104

    Phone: (414) 527-7500

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 5 Open Payments records for all available years, with a total value of $95.

Total Amount is formed as General ($95) + Research ($0) + Ownership ($0) = $95.

Last reported payment date: 2024-10-08 • Largest payer in this snapshot: Organogenesis Inc. ($57).

Total Amount

$95

General + Research + Ownership

Payments

5

Total payment records

General Amount

$95

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-08

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: 2016-09-15

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
I20160915001259INurse PractitionerWITBD

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
99214Established patient office or other outpatient visit, 30-39 minutes15374$0
99213Established patient office or other outpatient visit, 20-29 minutes2217$0
View full utilization report →

Insurance plans in this area (ZIP 53959)

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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 unique ID ties claims to MR. NATE SULLIVAN (APNP)?
NPI 1891240610 is assigned to MR. NATE SULLIVAN (APNP) under the national enumeration system.
Does this profile mean MR. NATE SULLIVAN (APNP) is currently active?
Yes — MR. NATE SULLIVAN (APNP) appears active in the national provider directory.
Can you summarize MR. NATE SULLIVAN (APNP)'s specialty in plain language?
Clinically, the directory lists MR. NATE SULLIVAN (APNP) with Nurse Practitioner. Clinical services aligned with this taxonomy classification.
What location shows for MR. NATE SULLIVAN (APNP)?
We surface Reedsburg, Wisconsin for MR. NATE SULLIVAN (APNP) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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