Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1851375984 Individual Practitioner Male Practitioner

Dr. Errol S Mortimer , MD

Orthopaedic Surgery • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Errol Mortimer, MD is a certified Orthopaedic Surgery practicing in Worcester, MA. With approximately 40 years of clinical experience since completing medical education in 1986, Dr. Mortimer delivers high-quality medical care to the local community at 55 LAKE AVE N.

Dr. Mortimer is affiliated with Umass Memorial Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit. 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
Department Of Orthopedic Surgery

Worcester, MA 016550002

Telephone 5088564065
Fax 5088565170
Associated Practice Facility / Clinic
🏢 Umass Memorial Medical Center Facility NPI 1679574933

Medicare Profile & Education

Medical School

Other

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Worcester, MA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
40 Yrs +15.7 yrs vs City Avg
City Avg: 24.3 Yrs
State Avg: 28.0 Yrs
Regional Practice Density
46 Specialists

Practicing in Worcester, MA (746 Statewide)

Telehealth Adoption Rate
13.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
78.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mortimer (40 Years) 40 Yrs
Worcester Specialty Average (24.3 Years) 24.3 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
99213 Established patient office or other outpatient visit, typically 15 minutes
18 15 $300.00 $65.32

Medical Specialties & State Licenses

CMS Verified: 2020-10-28
Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License MA 81083

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
110055751A (MA)

Hospital & Practice Group Affiliations

Umass Memorial Medical Group Inc

119 Belmont St, Worcester, MA 016052903

Phone: 5083341000

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

4 Associated Practitioners
Dr. Yvonne Shelton , MD

Orthopaedic Surgery

NPI 1174507206

Doctor of Medicine (M.D.)

Daniel Berkowitz , PA-C

Physician Assistant

NPI 1649714130

Physician Assistant (Certified)

Michele Patterson , NP

Nurse Practitioner

NPI 1760576771

Nurse Practitioner

Dr. Daniel Baran , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1841260221

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active March 07, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location March 07, 2016

Registered at 55 LAKE AVE N, DEPARTMENT OF ORTHOPEDIC SURGERY, WORCESTER, MA 016550002 (Tel: 5088564065)

📍
Updated Business Mailing Address March 07, 2016

Registered at PO BOX 415348, BOSTON, MA 022410001 (Tel: 8002258885)

👤
Provider Name / Credentials Updated March 07, 2016

Recorded as ERROL MORTIMER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 07, 2016

Orthopaedic Surgery (License #81083 in MA)

🟢
Initial NPI Registration & Enumeration December 01, 2005

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: 1851375984
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 01, 2005
Last Update: October 28, 2020
Sole Proprietor: No

Mailing Address

Po Box 415348

Boston, MA 022410001

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.