WILLIAM SUNNOCK CPNP, RN
NPI 1164710539
Nurse Practitioner in Rochester, MN

Q: What is William Sunnock's NPI number?

The NPI number for William Sunnock is 1164710539. It was assigned to this individual provider in the NPPES registry on July 19, 2011.

Q: What is William Sunnock's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for William Sunnock was last updated on August 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.

Active since July 19, 2011PECOS Enrolled

200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: August 10, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 10, 2020, Apr 11, 2019, Jan 4, 2017 (3 updates tracked since 2017).

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About William Sunnock Cpnp, Rn NPPES

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

WILLIAM SUNNOCK CPNP, RN (NPI 1164710539) is an individual nurse practitioner in Rochester, Minnesota, licensed in Minnesota (1737) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164710539

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameWILLIAM SUNNOCKCredential: CPNP, RN

Location Address200 1ST ST SWRochester, MN 55905-0001

Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511

Phone(507) 284-2511

Sole ProprietorNo

Enumeration DateJuly 19, 2011

Last NPPES UpdateAugust 10, 20203 updates tracked since enumeration

NPPES CertifiedAugust 10, 2020

✔ NPI 1164710539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in MN · 1737✔ Licensed in MN · R2034566

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

200 1ST ST SW, Rochester, MN 55905

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Sunnock Cpnp, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show William Sunnock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mayo Clinic

Same address

Infectious Disease

200 1ST ST SW
Rochester, MN 55905

Reassigned Medicare billing, Minnesota enrollment
6,534 clinicians in this Medicare group

NPI 1114343860 (507) 284-2511

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

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.

EMILY LEASURE MD

Internal Medicine