WINCHESTER LABORATORY ASSOCIATES, INC.
NPI 1013906650
Pathology - Anatomic Pathology & Clinical Pathology in Winchester, MA

Q: What is Winchester Laboratory Associates, Inc.'s specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since October 17, 2005

41 HIGHLAND AVE, WINCHESTER HOSPITAL, WINCHESTER, MA 01890(781) 756-2319 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 6, 2026, Sep 9, 2019, Feb 29, 2016 (3 updates tracked since 2016).

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About Winchester Laboratory Associates, Inc. NPPES

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

WINCHESTER LABORATORY ASSOCIATES, INC. (NPI 1013906650) is a healthcare organization registered as an anatomic pathology & clinical pathology in Winchester, Massachusetts and active in the NPI registry since October 2005. The organization lists Jian Xie, Vice President, Coo, as its authorized official.

NPPES Registry Identity

NPI1013906650

Entity TypeOrganization

Primary Taxonomy207ZP0102X

Legal Business NameWINCHESTER LABORATORY ASSOCIATES, INC.

Location Address41 HIGHLAND AVE, WINCHESTER HOSPITALWinchester, MA 01890-1446

Mailing Address1 Cranberry Hl Ste 105, Attn Payor RelationsLexington, MA 02421-7397 · (800) 325-7284 · Fax (205) 579-9387

Phone(781) 756-2319

Organization SubpartNo

Authorized OfficialJian XieVice President, Coo · (800) 325-7284

Enumeration DateOctober 17, 2005

Last NPPES UpdateApril 6, 20263 updates tracked since enumeration

NPPES CertifiedApril 6, 2026

✔ NPI 1013906650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

41 HIGHLAND AVE, Winchester, MA 01890

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Other Names 1

Other NameWinchester Laboratory Associates Pc

Other Identifiers 1

Medicaid9722980MA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Winchester Laboratory Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Winchester Laboratory Associates, Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Laura Harris, M.D.

Pathology

NPI 1518909621

41 HIGHLAND AVE
Winchester, MA 01890

(800) 325-7284

✔ PECOS✔ Accepts MedicareSame address

Anthony Martyniak, M.D.

Pathology

NPI 1396703799

41 HIGHLAND AVE WINCHESTER HOSPITAL
Winchester, MA 01890

(781) 756-2319

✔ PECOS✔ Accepts MedicareSame address

Megha Joshi, M.D.

Pathology

NPI 1013024694

LAWRENCE GENERAL HOSPITAL 1 GENERAL STREET
Lawrence, MA 01842

(978) 683-4000

✔ PECOS✔ Accepts Medicare17 mi

Kavitha Rao, M.D.

Pathology

NPI 1689960981

1 HAMPTON RD UNIT 208
Exeter, NH 03833

(603) 778-8522

✔ PECOS✔ Accepts Medicare37 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Winchester Laboratory Associates, Inc.'s NPI number?

The NPI number for Winchester Laboratory Associates, Inc. is 1013906650. It was assigned to this organization in the NPPES registry on October 17, 2005. The provider is also known as Winchester Laboratory Associates PC.

Where is Winchester Laboratory Associates, Inc. located?

Winchester Laboratory Associates, Inc. is located at 41 Highland Ave Winchester Hospital, Winchester, MA 01890. The listed phone number is (781) 756-2319.

What is Winchester Laboratory Associates, Inc.'s specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Winchester Laboratory Associates, Inc. enrolled in Medicare?

Yes. Winchester Laboratory Associates, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Winchester Laboratory Associates, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Pathology, reassign their Medicare billing to Winchester Laboratory Associates, Inc.. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Winchester Laboratory Associates, Inc. accept?

Health plans from WellSense Health Plan list Winchester Laboratory Associates, Inc. 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 Winchester Laboratory Associates, Inc. was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.