MARY L LIEVENS NP
NPI 1295895035
Nurse Practitioner in Boston, MA

Q: What is Mary Lievens's NPI number?

The NPI number for Mary Lievens is 1295895035. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Q: What is Mary Lievens's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Lievens was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 11, 2006PECOS EnrolledAccepts Medicare Assignment

55 FRUIT STREET, MASS GENERAL HOSPITAL, BOSTON, MA 02114(617) 724-6850 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mary L Lievens Np NPPES

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

MARY L LIEVENS NP (NPI 1295895035) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (178329) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1295895035

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARY L LIEVENSCredential: NP

Location Address55 FRUIT STREET, MASS GENERAL HOSPITALBoston, MA 02114-2696

Mailing AddressPo Box 9142, Mass General Physicians Organization IncCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 724-6850

Sole ProprietorNo

Medical School CMSOtherGraduated 1998

Enumeration DateDecember 11, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1295895035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MA · 178329

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

55 FRUIT STREET, Boston, MA 02114

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Other Identifiers 2

Medicare ID-Type UnspecifiedNS0454MA

OtherNP0454MA · Bcbs

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

Mary L Lievens Np 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 ID7416989116

PECOS Enrollment IDI20050901000888

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.

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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.

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.

KUI TOH GERARD LEONG M.D.

Internal Medicine (Cardiovascular Disease)

55 FRUIT STREET, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114

Suffolk County (617) 726-8862

MS. JACQUELINE BANGO LICSW

Social Worker (Clinical)

55 FRUIT STREET, FOUNDERS BUILDING SUITE 880
BOSTON, MA 02114

Suffolk County (617) 643-8281

SARA ELIZABETH GROSSLEIN PA

Physician Assistant

55 FRUIT STREET, WHITE 1
BOSTON, MA 02114

Suffolk County (617) 724-4100

JEFFREY M ELLENBOGEN M.D.

Psychiatry & Neurology (Neurology)

55 FRUIT STREET, WANG 720 (NEUROLOGY)
BOSTON, MA 02114

Suffolk County (617) 724-7419

DR. NANCY LEE HARRIS MD

Pathology (Anatomic Pathology & Clinical Pathology)

55 FRUIT STREET, WRN 2 PATHOLOGY ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 726-5155

DR. STANLEY YANG SHAW MD PHD

Internal Medicine (Cardiovascular Disease)

55 FRUIT STREET, YAW 5 CARDIAC UNIT ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 724-6750

LEONARDO V RIELLA M.D., PHD

Internal Medicine

55 FRUIT STREET, WHITE 5
BOSTON, MA 02114

Suffolk County (617) 726-5050

SUSAN MAHER CRNA

Nurse Anesthetist, Certified Registered

55 FRUIT STREET, CLN 309 MGH ANESTHESIA ASSOCIATES
BOSTON, MA 02114

Suffolk County (617) 726-3030

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 Mary Lievens's NPI number?

The NPI number for Mary Lievens is 1295895035. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Mary Lievens located?

Mary Lievens practices at 55 Fruit Street Mass General Hospital, Boston, MA 02114. The listed phone number is (617) 724-6850.

What is Mary Lievens's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Lievens enrolled in Medicare?

Yes. Mary Lievens 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.

Is Mary Lievens affiliated with any hospitals?

According to CMS data, Mary Lievens is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Mary Lievens was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.