Doctor profile · Federal record

Dr. Stephen Cahill, PA-C

Physician Assistant · Worcester, MA

  • NPI 1205995123
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Avenue North, Sicu
Worcester, MA 01655
(508) 856-1168
fax (508) 856-4224
Mailing address
Po Box 415348
Boston, MA 022410001

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
October 30, 2020
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Massachusetts #2110
Medicaid
MA #110106029A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205995123. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
134
Distinct HCPCS
2
Medicare allowed
$17,143
HCPCS Description Services Patients Avg allowed
99292 Critical care, each additional 30 minutes 82 28 $92
99291 Critical care, first 30-74 minutes 52 35 $184

In context: peer comparison

Among 112 peers in Worcester Physician Assistant, average services per provider: 87. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Cahill's medical specialty?
Dr. Stephen Cahill practices Physician Assistant in Worcester, MA.
Where does Dr. Stephen Cahill practice?
Dr. Stephen Cahill practices at 55 Lake Avenue North, Worcester, MA 01655. Office phone: 5088561168.
What is Dr. Stephen Cahill's NPI?
Dr. Stephen Cahill's National Provider Identifier (NPI) is 1205995123, issued by NPPES.
Does Dr. Stephen Cahill accept Medicare assignment?
Yes. Dr. Stephen Cahill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Cahill commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99292); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.