Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1972974277 Individual Practitioner Female Practitioner

Allison Marie Illsley , NP

Nurse Practitioner • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Allison Illsley, NP is a certified Nurse Practitioner practicing in Worcester, MA. With approximately 11 years of clinical experience since completing medical education in 2015, Allison Illsley delivers high-quality medical care to the local community at 55 LAKE AVE N.

Allison Illsley is affiliated with Umass Memorial Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include critical care, critical care, first, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

55 Lake Ave N

Worcester, MA 016550002

Telephone 7744437552
Fax 7744416086
Associated Practice Facility / Clinic
🏢 Umass Memorial Medical Center Facility NPI 1679574933

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Worcester, MA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs +0.1 yrs vs City Avg
City Avg: 10.9 Yrs
State Avg: 12.5 Yrs
Regional Practice Density
506 Specialists

Practicing in Worcester, MA (3545 Statewide)

Telehealth Adoption Rate
17.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
80.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Illsley (11 Years) 11 Yrs
Worcester Specialty Average (10.9 Years) 10.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99292 Critical care, each additional 30 minutes
52 30 $404.00 $89.17
99291 Critical care, first 30-74 minutes
38 32 $927.00 $177.26

Medical Specialties & State Licenses

CMS Verified: 2020-11-10
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MA RN2281827

(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.

Nurse Practitioner - Acute Care

NUCC Taxonomy Code: 363LA2100X

State License MA RN2281827

Definition to come...

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
110108544A (MA)

Hospital & Practice Group Affiliations

Umass Memorial Medical Group Inc

55 Lake Ave N, Worcester, MA 016550002

Phone: 5083341000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Daniel Zinkus , PA-C

Physician Assistant

NPI 1003275892

Physician Assistant (Certified)

NPI 1003653700

ACNPCAG

Jennifer Gustafson , CNP

Nurse Practitioner

NPI 1013479609

Certified Nurse Practitioner

NPI 1013630433

Nurse Practitioner

Susan Shaddock , CNP

Nurse Practitioner

NPI 1073036554

Certified Nurse Practitioner

Alexandra Bunzel , PA-C

Physician Assistant

NPI 1073131090

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
NPI Profile Active February 06, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location February 06, 2017

Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 7744437552)

📍
Updated Business Mailing Address February 06, 2017

Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)

👤
Provider Name / Credentials Updated February 06, 2017

Recorded as ALLISON ILLSLEY, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 06, 2017

Nurse Practitioner (License #RN2281827 in MA)

NPI Profile Active January 01, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location January 01, 2017

Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 7744437552)

📍
Updated Business Mailing Address January 01, 2017

Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)

👤
Provider Name / Credentials Updated January 01, 2017

Recorded as ALLISON ILLSLEY, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 01, 2017

Nurse Practitioner (License #RN2281827 in MA)

🟢
Initial NPI Registration & Enumeration October 13, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1972974277
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 13, 2015
Last Update: November 10, 2020
Sole Proprietor: No

Mailing Address

Po Box 415348

Boston, MA 022415348

Phone: 8002258885

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.