Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN L LEARY PA-C
NPI 1619938438
Physician Assistant - Surgical in Worcester, MA

Active since March 31, 2006PECOS Enrolled
123 SUMMER ST, WORCESTER, MA 01608(508) 363-5000 Get Directions Write a Review

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

About John L Leary Pa-c NPPES

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

JOHN L LEARY PA-C (NPI 1619938438) is an individual surgical provider in Worcester, Massachusetts, licensed in Massachusetts (1364) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1619938438
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameJOHN L LEARYCredential: PA-C
Location Address123 SUMMER STWorcester, MA 01608-1200
Mailing Address123 Summer StWorcester, MA 01608-1200 · (508) 363-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMarch 31, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1619938438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in MA · 1364
123 SUMMER ST, Worcester, MA 01608

Accepted Insurance

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

John L Leary Pa-c 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 ID6608824321
PECOS Enrollment IDI20050110000786
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.

Areas of Expertise CMS Part B claims 4

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
1,252 services170 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
448 services269 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
247 services171 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
88 services88 patients

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.

Specialist
123 SUMMER ST, STE 685
WORCESTER, MA 01608
Obstetrics & Gynecology
123 SUMMER ST, SUITE 150 S
WORCESTER, MA 01608
Internal Medicine (Cardiovascular Disease)
123 SUMMER ST, SUITE 660
WORCESTER, MA 01608
Internal Medicine (Gastroenterology)
123 SUMMER ST, SUITE 650
WORCESTER, MA 01608
Specialist
123 SUMMER ST, SUITE #655
WORCESTER, MA 01608
Orthopaedic Surgery (Hand Surgery)
123 SUMMER ST, STE 320
WORCESTER, MA 01608
Obstetrics & Gynecology
123 SUMMER ST, SUITE 150 S
WORCESTER, MA 01608
Advanced Practice Midwife
123 SUMMER ST, ST. VINCENT HOSPITAL
WORCESTER, MA 01608

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 John Leary's NPI number?

The NPI number for John Leary is 1619938438. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Where is John Leary located?

John Leary practices at 123 Summer St, Worcester, MA 01608. The listed phone number is (508) 363-5000.

What is John Leary's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is John Leary enrolled in Medicare?

Yes. John Leary 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.

What insurance does John Leary accept?

Health plans from Anthem Blue Cross and Blue Shield list John Leary 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 John Leary was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.