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MARK S O'NEILL L.I.C.S.W.
NPI 1326428517
Social Worker - Clinical in Providence, RI

Active since June 03, 2015PECOS EnrolledAccepts Medicare Assignment
70 OAK ST, APT C, PROVIDENCE, RI 02909(401) 237-2203 Get Directions Write a Review

NPPES record last updated: July 8, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark S O'neill L.i.c.s.w. NPPES

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

MARK S O'NEILL L.I.C.S.W. (NPI 1326428517) is an individual clinical provider in Providence, Rhode Island, licensed in Rhode Island (ISW02402) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1326428517
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARK S O'NEILLCredential: L.I.C.S.W.
Location Address70 OAK ST, APT CProvidence, RI 02909-1932
Mailing Address70 Oak St, Apt CProvidence, RI 02909-1932 · (401) 237-2203
Phone(401) 237-2203
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJune 3, 2015
Last NPPES UpdateJuly 8, 2021
NPPES CertifiedJuly 8, 2021
✔ NPI 1326428517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in RI · ISW02402
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
70 OAK ST, Providence, RI 02909
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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 and accepts Medicare assignment

Mark S O'neill L.i.c.s.w. 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 ID1052611142
PECOS Enrollment IDI20151120001999
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02909 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
$0.00 typical visit price
range $58.57 – $177.03
Typical copayment $0.00 (range $14.64 – $44.25)
Most-billed visit code NA
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
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 Mark O'neill's NPI number?

The NPI number for Mark O'neill is 1326428517. It was assigned to this individual provider in the NPPES registry on June 3, 2015.

Where is Mark O'neill located?

Mark O'neill practices at 70 Oak St Apt C, Providence, RI 02909. The listed phone number is (401) 237-2203.

What is Mark O'neill's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mark O'neill enrolled in Medicare?

Yes. Mark O'neill 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.

What insurance does Mark O'neill accept?

Health plans from Harvard Pilgrim Health Care list Mark O'neill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark O'neill was last updated on July 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.