Doctor profile · Federal record

Dr. Kenneth Knowles, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Worcester, MA

  • NPI 1184041568
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N, Department of Emergency Medicine
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Mailing address
9 Tinkham Glen
Wilbraham, MA 01095

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
February 6, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #269932
Medicaid
MA #110111119A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184041568. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
373
Distinct HCPCS
4
Medicare allowed
$58,358
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 200 199 $176
99284 Emergency department visit with moderate level of medical decision making 106 103 $121
99291 Critical care, first 30-74 minutes 39 39 $214
99283 Emergency department visit with low level of medical decision making 28 28 $72

In context: peer comparison

Among 82 peers in Worcester Emergency Medicine Physician, average services per provider: 70. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
32
Total drug cost
$349
Drug Type Claims Patients Total cost
Cephalexin Generic 18 18 $312
Oxycodone Hcl Generic 14 14 $37

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Knowles's medical specialty?
Dr. Kenneth Knowles practices Emergency Medicine Physician in Worcester, MA.
Where does Dr. Kenneth Knowles practice?
Dr. Kenneth Knowles practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Kenneth Knowles's NPI?
Dr. Kenneth Knowles's National Provider Identifier (NPI) is 1184041568, issued by NPPES.
Does Dr. Kenneth Knowles accept Medicare assignment?
Yes. Dr. Kenneth Knowles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Knowles commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.