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KATHLEEN ELIZABETH MAVROGIANNIS CPNP-PC/AC
NPI 1871182055
Nurse Practitioner - Pediatrics in Boston, MA

Active since January 13, 2021PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: January 13, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Kathleen Elizabeth Mavrogiannis Cpnp-pc/ac NPPES

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

KATHLEEN ELIZABETH MAVROGIANNIS CPNP-PC/AC (NPI 1871182055) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (RN2327836) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Waltham.

NPPES Registry Identity

NPI1871182055
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameKATHLEEN ELIZABETH MAVROGIANNISCredential: CPNP-PC/AC
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorNo
Enumeration DateJanuary 13, 2021
NPPES CertifiedJanuary 5, 2021
✔ NPI 1871182055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in MA · RN2327836
300 LONGWOOD AVE, Boston, MA 02115
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Other Names 1

Former Name (1)Kathleen Elizabeth Joumas

Secondary Practice Location 1

Location 19 Hope AveWaltham, MA 02453-2741 · Phone (781) 216-2100

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kathleen Elizabeth Mavrogiannis Cpnp-pc/ac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 02115 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.

MRS. KIRA A DIES SCM
Genetic Counselor, MS
300 LONGWOOD AVE, CLS 14074
BOSTON, MA 02115
Suffolk County (617) 919-3009
MS. JESSIE REBECCA HASTINGS M.S.
Genetic Counselor, MS
300 LONGWOOD AVE, DEPARTMENT OF CARDIOLOGY
BOSTON, MA 02115
Suffolk County (617) 355-7245
DR. PETER H WEINSTOCK MD PHD
Pediatrics (Pediatric Critical Care Medicine)
300 LONGWOOD AVE, DIVISION OF CRITICAL CARE MEDICINE
BOSTON, MA 02115
Suffolk County (617) 355-7327
DR. HENRY LAWRENCE DORKIN MD
Pediatrics (Pediatric Pulmonology)
300 LONGWOOD AVE, HUNNEWELL 2
BOSTON, MA 02115
Suffolk County (617) 355-1900
DR. JOAN MARILYN STOLER MD
Medical Genetics (Clinical Genetics (M.D.))
300 LONGWOOD AVE, CHILDREN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (617) 355-4697
DR. BONNIE L PADWA DMD, MD
Oral & Maxillofacial Surgery
300 LONGWOOD AVE, HU-158
BOSTON, MA 02115
Suffolk County (617) 355-6259
DR. HARVEY LOUIS LEVY MD
Medical Genetics (Clinical Biochemical Genetics)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7346
WAYNE TWORETZKY MD
Pediatrics (Pediatric Cardiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6793

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 Kathleen Mavrogiannis's NPI number?

The NPI number for Kathleen Mavrogiannis is 1871182055. It was assigned to this individual provider in the NPPES registry on January 13, 2021. The provider is also known as Kathleen Elizabeth Joumas.

Where is Kathleen Mavrogiannis located?

Kathleen Mavrogiannis practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Kathleen Mavrogiannis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Kathleen Mavrogiannis enrolled in Medicare?

Yes. Kathleen Mavrogiannis is registered in the Medicare PECOS enrollment system.

What insurance does Kathleen Mavrogiannis accept?

Health plans from Anthem Blue Cross and Blue Shield list Kathleen Mavrogiannis 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 Kathleen Mavrogiannis was last updated on January 13, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.