Doctor profile · Federal record

Dr. Errol Mortimer, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Worcester, MA

  • NPI 1851375984
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N, Department of Orthopedic Surgery
Worcester, MA 016550002
(508) 856-4065
fax (508) 856-5170
Mailing address
Po Box 415348
Boston, MA 022410001

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
October 28, 2020
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Massachusetts #81083
Medicaid
MA #110055751A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851375984. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20
Distinct HCPCS
1
Medicare allowed
$1,346
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 20 13 $67

In context: peer comparison

Among 15 peers in Worcester Orthopaedic Surgery Physician, average services per provider: 112. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
BioMarin Pharmaceutical INC. 1 $21.31

By nature of payment

Food and Beverage
$21

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Errol Mortimer's medical specialty?
Dr. Errol Mortimer practices Orthopaedic Surgery Physician in Worcester, MA.
Where does Dr. Errol Mortimer practice?
Dr. Errol Mortimer practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5088564065.
What is Dr. Errol Mortimer's NPI?
Dr. Errol Mortimer's National Provider Identifier (NPI) is 1851375984, issued by NPPES.
Does Dr. Errol Mortimer accept Medicare assignment?
Yes. Dr. Errol Mortimer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Errol Mortimer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.