Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM LOUIS SCHNEIDER NP-C, RN
NPI 1952466740
Nurse Practitioner - Family in Somerville, MA

Q: What is William Schneider's NPI number?

The NPI number for William Schneider is 1952466740. It was assigned to this individual provider in the NPPES registry on December 22, 2006.

Q: What is William Schneider's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Schneider was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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 December 22, 2006PECOS Enrolled

86.26/100

CMS Quality Rating

26 CENTRAL ST, SOMERVILLE, MA 02143(617) 591-6454(617) 591-6405 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 31, 2026, May 2, 2019 (2 updates tracked since 2019).

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About William Louis Schneider Np-c, Rn NPPES

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

WILLIAM LOUIS SCHNEIDER NP-C, RN (NPI 1952466740) is an individual family provider in Somerville, Massachusetts, licensed in Massachusetts (F0898362) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952466740

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameWILLIAM LOUIS SCHNEIDERCredential: NP-C, RN

Location Address26 CENTRAL STSomerville, MA 02143-2827

Mailing Address26 Central StSomerville, MA 02143-2827 · (617) 591-6454 · Fax (617) 591-6405

Phone(617) 591-6454

Fax(617) 591-6405

Sole ProprietorNo

Enumeration DateDecember 22, 2006

Last NPPES UpdateJuly 31, 20262 updates tracked since enumeration

NPPES CertifiedJuly 31, 2026

✔ NPI 1952466740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in MA · F0898362

Also ListedRegistered Nurse · Case ManagementTaxonomy 163WC0400X · License 202114 (MA)

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 202114 (MA)

26 CENTRAL ST, Somerville, MA 02143

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Louis Schneider Np-c, 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.

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.

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

216 services89 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.

91 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02143 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.26/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

78.84

Promoting Interoperability

100

Improvement Activities

Cost

58.7

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.

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