MR. MARK DANIEL PFEIFFER LICSW
NPI 1447433016
Social Worker - Clinical in Providence, RI

Q: What is Mark Pfeiffer's NPI number?

The NPI number for Mark Pfeiffer is 1447433016. It was assigned to this individual provider in the NPPES registry on December 6, 2007.

Q: What is Mark Pfeiffer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Pfeiffer was last updated on December 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 December 06, 2007PECOS EnrolledAccepts Medicare Assignment

355 PRAIRIE AVE, PROVIDENCE, RI 02905(401) 444-0570(401) 444-0427 Get Directions Write a Review

NPPES record last updated: December 19, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 22, 2019, Jul 10, 2017 (2 updates tracked since 2017).

On this page

About Mr. Mark Daniel Pfeiffer Licsw NPPES

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

MR. MARK DANIEL PFEIFFER LICSW (NPI 1447433016) is an individual clinical provider in Providence, Rhode Island, licensed in Rhode Island (ISW02723) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (2006).

NPPES Registry Identity

NPI1447433016

Entity TypeIndividualMale

Primary Taxonomy1041C0700X

Provider Legal NameMR. MARK DANIEL PFEIFFERCredential: LICSW

Location Address355 PRAIRIE AVEProvidence, RI 02905-1928

Mailing Address375 Allens AvenueProvidence, RI 02905-5010 · (401) 444-0400 · Fax (401) 444-0468

Phone(401) 444-0570

Fax(401) 444-0427

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 2006

Enumeration DateDecember 6, 2007

Last NPPES UpdateDecember 19, 20232 updates tracked since enumeration

NPPES CertifiedDecember 19, 2023

✔ NPI 1447433016 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 · ISW02723

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.

355 PRAIRIE AVE, Providence, RI 02905

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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

Mr. Mark Daniel Pfeiffer Licsw 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 ID4385789064

PECOS Enrollment IDI20170921000878

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 02905 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.

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.

SORAYA S. P. DARWOOD MD

Family Medicine