DEIRDRE O'SULLIVAN CRNA
NPI 1447391651
Nurse Anesthetist, Certified Registered in North Providence, RI

Q: What is Deirdre O'sullivan's NPI number?

The NPI number for Deirdre O'sullivan is 1447391651. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Q: What is Deirdre O'sullivan's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Active since February 09, 2007PECOS Enrolled

200 HIGH SERVICE AVE, NORTH PROVIDENCE, RI 02904(401) 456-3136(401) 456-3621 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Deirdre O'sullivan Crna NPPES

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

DEIRDRE O'SULLIVAN CRNA (NPI 1447391651) is an individual nurse anesthetist, certified registered in North Providence, Rhode Island, licensed in Rhode Island (RNA36562) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Landmark Medical Center, and maintains a secondary practice location in Woonsocket.

NPPES Registry Identity

NPI1447391651

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameDEIRDRE O'SULLIVANCredential: CRNA

Location Address200 HIGH SERVICE AVENorth Providence, RI 02904-5113

Mailing Address200 High Service AveNorth Providence, RI 02904-5113 · (401) 456-3136 · Fax (401) 456-3621

Phone(401) 456-3136

Fax(401) 456-3621

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateFebruary 9, 2007

Last NPPES UpdateJune 23, 2025

NPPES CertifiedJune 23, 2025

✔ NPI 1447391651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in RI · RNA36562

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

200 HIGH SERVICE AVE, North Providence, RI 02904

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Secondary Practice Location 1

Location 1115 Cass AveWoonsocket, RI 02895-4705 · Phone (850) 985-9180

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Deirdre O'sullivan Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4284696519

PECOS Enrollment IDI20041029000432

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 Deirdre O'sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mvp Anesthesia Associates, PC

27 mi

Anesthesiology

800 WASHINGTON ST, ANESTHESIA DEPARTMENT
Norwood, MA 02062

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

NPI 1477507598 (781) 278-6524

Clinical Colleagues LLC

685 mi

Anesthesiology

1250 S WASHINGTON ST
Van Wert, OH 45891

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

NPI 1992725766 (850) 985-9180

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

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.

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Landmark Medical Center

Acute Care Hospitals · Woonsocket, RI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410011

Location115 Cass AvenueWoonsocket, RI 02895 · Providence County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02904 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

$134.17 typical visit price

range $58.57 – $177.03

Typical copayment $33.54 (range $14.64 – $44.25)

Most-billed visit code 99204

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.

ST. JOSEPH HEALTH SERVICES OF RI

General Acute Care Hospital

200 HIGH SERVICE AVE
NORTH PROVIDENCE, RI 02904

Providence County (401) 456-3000

THOMAS HOPKINS P.A.

Physician Assistant

200 HIGH SERVICE AVE
NORTH PROVIDENCE, RI 02904

Providence County (401) 456-3000

CHRISTINE L CONSTANTINEAU CSW

Social Worker (Clinical)

200 HIGH SERVICE AVE
NORTH PROVIDENCE, RI 02904

Providence County (401) 456-3000

JONA VOLCY

Social Worker

200 HIGH SERVICE AVE
NORTH PROVIDENCE, RI 02904

Providence County (401) 456-2525

UCHECHUKWU UGORJI DO

Psychiatry & Neurology (Psychiatry)

200 HIGH SERVICE AVE
N PROVIDENCE, RI 02904

Providence County (401) 456-3000

DR. KATHERINE MARIE WATERS M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

200 HIGH SERVICE AVE
NORTH PROVIDENCE, RI 02904

Providence County (401) 456-3155

VLADANA ALEMAN-BRIZUELA M.D.

Emergency Medicine

200 HIGH SERVICE AVE
NORTH PROVIDENCE, RI 02904

Providence County (401) 456-3000

ABDOL HAMID SHAHINFAR MD

Radiology (Diagnostic Radiology)

200 HIGH SERVICE AVE, RADIOLOGY DEPARTMENT
NORTH PROVIDENCE, RI 02904

Providence County (413) 456-4215

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 Deirdre O'sullivan's NPI number?

The NPI number for Deirdre O'sullivan is 1447391651. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Where is Deirdre O'sullivan located?

Deirdre O'sullivan practices at 200 High Service Ave, North Providence, RI 02904. The listed phone number is (401) 456-3136.

What is Deirdre O'sullivan's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Deirdre O'sullivan enrolled in Medicare?

Yes. Deirdre O'sullivan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Deirdre O'sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre O'sullivan reassigns Medicare benefits to 2 organizations: Mvp Anesthesia Associates, PC (Norwood, MA) and Clinical Colleagues LLC (Van Wert, OH). 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 Deirdre O'sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Deirdre O'sullivan affiliated with any hospitals?

According to CMS data, Deirdre O'sullivan is affiliated with Landmark Medical Center.

When was this NPI record last updated?

The NPPES record for Deirdre O'sullivan was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.