LYNDSAY DEMATTEO MSN, APRN, AGPCNP-C
NPI 1346869583
Nurse Practitioner - Gerontology in Providence, RI

Q: What is Lyndsay Dematteo's NPI number?

The NPI number for Lyndsay Dematteo is 1346869583. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Q: What is Lyndsay Dematteo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Q: When was this NPI record last updated?

The NPPES record for Lyndsay Dematteo was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since April 08, 2020PECOS EnrolledAccepts Medicare Assignment

345 BLACKSTONE BLVD, 1ST FLOOR WELD BLDG, PROVIDENCE, RI 02906(401) 455-6402(401) 455-6405 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 22, 2026, Dec 17, 2021, Sep 16, 2021 and 4 more (7 updates tracked since 2020).

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About Lyndsay Dematteo Msn, Aprn, Agpcnp-c NPPES

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

LYNDSAY DEMATTEO MSN, APRN, AGPCNP-C (NPI 1346869583) is an individual gerontology provider in Providence, Rhode Island, licensed in Rhode Island (APRN02654) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1346869583

Entity TypeIndividualFemale

Primary Taxonomy363LG0600X

Provider Legal NameLYNDSAY DEMATTEOCredential: MSN, APRN, AGPCNP-C

Location Address345 BLACKSTONE BLVD, 1ST FLOOR WELD BLDGProvidence, RI 02906-4800

Mailing Address455 Toll Gate Rd, Prc And CredentiailngWarwick, RI 02886-2759 · (401) 273-0641 · Fax (401) 273-2919

Phone(401) 455-6402

Fax(401) 455-6405

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateApril 8, 2020

Last NPPES UpdateApril 22, 20267 updates tracked since enumeration

NPPES CertifiedApril 22, 2026

✔ NPI 1346869583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code363LG0600X

License✔ Licensed in RI · APRN02654

345 BLACKSTONE BLVD, Providence, RI 02906

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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 and accepts Medicare assignment

Lyndsay Dematteo Msn, Aprn, Agpcnp-c 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 ID9032523576

PECOS Enrollment IDI20210713002207

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

Medicare enrollment records show Lyndsay Dematteo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Affinity Physicians LLC

2.7 mi

Anesthesiology

101 DUDLEY STREET, WIH DEPT OF ANESTHESIOLOGY
Providence, RI 02905

Reassigned Medicare billing, Rhode Island enrollment
984 clinicians in this Medicare group

NPI 1053038471 (401) 274-1122

Yale University

87 mi

Adult Mental Health

95 CIRCULAR AVE
Hamden, CT 06514

Reassigned Medicare billing, Connecticut enrollment
3,728 clinicians in this Medicare group

NPI 1134391824 (203) 288-6253

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 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.

38 services25 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02906 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

$90.48 typical visit price

range $58.57 – $177.03

Typical copayment $22.62 (range $14.64 – $44.25)

Most-billed visit code 99203

Established Patient

$103.10 typical visit price

range $18.92 – $144.38

Typical copayment $25.77 (range $4.73 – $36.09)

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.

KEVIN E. BAILL MD & ASSOCIATES, LLC

Clinic/Center

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (917) 447-2138

SHARATH PONNAPPA PUTTICHANDA

Psychiatry & Neurology (Psychiatry)

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (401) 455-6346

MS. JASMINE APPLEBERRY M.S.W., L.I.C.S.W.

Social Worker (Clinical)

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (401) 225-2044

BRITTANY CATHERINE DAWSON FNP-BC

Nurse Practitioner (Family)

345 BLACKSTONE BLVD, MEMORY AND AGING PROGRAM
PROVIDENCE, RI 02906

Providence County (401) 455-6403

CYNTHIA CHEN YANG MD

Psychiatry & Neurology (Psychiatry)

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (401) 455-6373

DR. MICAH BENJAMIN DUGGINS-WARF MD

Psychiatry & Neurology (Psychiatry)

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (716) 803-9249

KATHARINE ANNE PHILLIPS MD

Psychiatry & Neurology (Psychiatry)

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (401) 455-6200

LISA BRAFF SHEA MD

Psychiatry & Neurology (Psychiatry)

345 BLACKSTONE BLVD
PROVIDENCE, RI 02906

Providence County (401) 455-6200

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 Lyndsay Dematteo's NPI number?

The NPI number for Lyndsay Dematteo is 1346869583. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Lyndsay Dematteo located?

Lyndsay Dematteo practices at 345 Blackstone Blvd 1st Floor Weld Bldg, Providence, RI 02906. The listed phone number is (401) 455-6402.

What is Lyndsay Dematteo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Lyndsay Dematteo enrolled in Medicare?

Yes. Lyndsay Dematteo 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.

Which organizations bill Medicare for Lyndsay Dematteo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lyndsay Dematteo reassigns Medicare benefits to 2 organizations: Affinity Physicians LLC (Providence, RI) and Yale University (Hamden, CT). 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 Lyndsay Dematteo'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 Lyndsay Dematteo was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.