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ANDREA LLOSA PA-C
NPI 1609186410
Physician Assistant in Worcester, MA

Active since October 14, 2010PECOS Enrolled
55 LAKE AVENUE NORTH, WORCESTER, MA 01655(508) 334-1000 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Andrea Llosa Pa-c NPPES

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

ANDREA LLOSA PA-C (NPI 1609186410) is an individual physician assistant in Worcester, Massachusetts, licensed in Massachusetts (PA1664) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609186410
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameANDREA LLOSACredential: PA-C
Location Address55 LAKE AVENUE NORTHWorcester, MA 01655
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (774) 442-5718
Phone(508) 334-1000
Sole ProprietorNo
Enumeration DateOctober 14, 2010
Last NPPES UpdateMay 6, 2026
NPPES CertifiedMay 6, 2026
✔ NPI 1609186410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · PA1664
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
55 LAKE AVENUE NORTH, Worcester, MA 01655
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Other Names 1

Former Name (1)Andrea Gibson Pa-c

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrea Llosa Pa-c 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 01655 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
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.

MAI-PHUONG THI TRAN PHARMD
Pharmacist
55 LAKE AVENUE NORTH
WORCESTER, MA 01655
Worcester County (508) 421-1900
NEIL J. KLUGER MD
Internal Medicine (Hematology & Oncology)
55 LAKE AVENUE NORTH
WORCESTER, MA 01655
Worcester County (508) 334-6276
SUMA CHANDRA KANNABIRAN MD
Radiology (Diagnostic Radiology)
55 LAKE AVENUE NORTH, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-1000
DISHA DALELA MD
Student in an Organized Health Care Education/Training Program
55 LAKE AVENUE NORTH
WORCESTER, MA 01655
Worcester County (508) 334-1000
DR. LEORA BETH BALSAM M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 LAKE AVENUE NORTH, DEPARTMENT OF SURGERY
WORCESTER, MA 01655
Worcester County (508) 334-2577
DR. KATHERINE HENDREN ROSE MD
Student in an Organized Health Care Education/Training Program
55 LAKE AVENUE NORTH
WORCESTER, MA 01655
Worcester County (508) 856-3590
MARLENE DENISE JACOBO MD
Student in an Organized Health Care Education/Training Program
55 LAKE AVENUE NORTH
WORCESTER, MA 01655
Worcester County (508) 334-1000
KIMBERLY MAI ZAYHOWSKI MS
Genetic Counselor, MS
55 LAKE AVENUE NORTH, DEPARTMENT OF GENETICS; BENEDICT BUILDING 3RD FLOOR
WORCESTER, MA 01655
Worcester County (774) 442-6660

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 Andrea Llosa's NPI number?

The NPI number for Andrea Llosa is 1609186410. It was assigned to this individual provider in the NPPES registry on October 14, 2010. The provider is also known as Andrea Gibson Pa-C.

Where is Andrea Llosa located?

Andrea Llosa practices at 55 Lake Avenue North, Worcester, MA 01655. The listed phone number is (508) 334-1000.

What is Andrea Llosa's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Andrea Llosa enrolled in Medicare?

Yes. Andrea Llosa is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Andrea Llosa was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.