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MR. WILLIAM JOHN LAROCK FNP
NPI 1356658710
Nurse Practitioner - Family in Richland, NY

Active since September 07, 2010PECOS Enrolled
232 WAGGONER RD, RICHLAND, NY 13144(315) 298-6654 Get Directions Write a Review

NPPES record last updated: September 7, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. William John Larock Fnp NPPES

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

MR. WILLIAM JOHN LAROCK FNP (NPI 1356658710) is an individual family provider in Richland, New York, licensed in New York (F336454) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356658710
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. WILLIAM JOHN LAROCKCredential: FNP
Location Address232 WAGGONER RDRichland, NY 13144-4478
Mailing Address232 Waggoner RdRichland, NY 13144-4478 · (315) 298-6654
Phone(315) 298-6654
Sole ProprietorYes
Enumeration DateSeptember 7, 2010
✔ NPI 1356658710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F336454
232 WAGGONER RD, Richland, NY 13144
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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)

Mr. William John Larock Fnp 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 Reassignments

4

Medicare enrollment records show William Larock reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pulaski Medical Urgent Care, P.C
7.0 mi
Family Medicine
3858 STATE ROUTE 13
Pulaski, NY 13142
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Pulaski Medical Urgent Care PC
  • 6 clinicians in this Medicare group
NPI 1568829356 (315) 298-2273
St Josephs Medical PC
34 mi
Family Medicine
5100 W TAFT RD
Liverpool, NY 13088
  • Reassigned Medicare billing, New York enrollment
  • 625 clinicians in this Medicare group
NPI 1942501747 (315) 452-2828
Wellnow Urgent Care, PC
35 mi
Urgent Care
7375 OSWEGO RD, SUITE1
Liverpool, NY 13090
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Wellnow Urgent Care, P.C.
  • 511 clinicians in this Medicare group
NPI 1669825162 (716) 699-9032
St. Joseph's Physician Health, P.C.
132 mi
Anesthesiology
2215 BURDETT AVE
Troy, NY 12180
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: St Joseph's Physician Health PC
  • 304 clinicians in this Medicare group
NPI 1154376770 (518) 271-3300

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

Areas of Expertise CMS Part B claims 11

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 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.
60 services53 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
56 services56 patients
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.
51 services46 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
30 services15 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13144 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
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.

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 William Larock's NPI number?

The NPI number for William Larock is 1356658710. It was assigned to this individual provider in the NPPES registry on September 7, 2010.

Where is William Larock located?

William Larock practices at 232 Waggoner Rd, Richland, NY 13144. The listed phone number is (315) 298-6654.

What is William Larock's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is William Larock enrolled in Medicare?

Yes. William Larock is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Larock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Larock reassigns Medicare benefits to 4 organizations: Pulaski Medical Urgent Care, P.C (Pulaski, NY), St Josephs Medical PC (Liverpool, NY), Wellnow Urgent Care, PC (Liverpool, NY) and St. Joseph's Physician Health, P.C. (Troy, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Larock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Larock was last updated on September 7, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.