Doctor profile · Federal record

Dr. Francis Ennis, MD

Orthopaedic Surgery Physician · Greenwich, CT

  • NPI 1144200031
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6 Greenwich Office Park
Greenwich, CT 068315151
(203) 869-1145
fax (203) 618-1721

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 9, 2017
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Connecticut #043160

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144200031. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,535
Distinct HCPCS
10
Medicare allowed
$313,000
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 1,275 76 $28
97140 Therapy procedure using manual technique, each 15 minutes 674 71 $22
99213 Established patient office or other outpatient visit, 20-29 minutes 309 261 $96
73564 X-ray of knee, 4 or more views 247 182 $52
20610 Aspiration and/or injection of fluid from large joint 166 76 $78
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose 145 37 $126
99212 Established patient office or other outpatient visit, 10-19 minutes 138 119 $61
73502 X-ray of hip, 2-3 views 99 84 $52
27447 Replacement of knee joint, both sides of knee 80 77 $1,358
20985 Computer-assisted surgery for muscle and bone procedure 77 74 $151

In context: peer comparison

Among 9 peers in this city , average services per provider: 167. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
54
Total drug cost
$487
Drug Type Claims Patients Total cost
Meloxicam Generic 38 25 $138
Amoxicillin Generic 26 16 $32
Celecoxib Generic 15 13 $316

Frequently asked questions

Auto-generated from federal data
What is Dr. Francis Ennis's medical specialty?
Dr. Francis Ennis practices Orthopaedic Surgery Physician in Greenwich, CT.
Where does Dr. Francis Ennis practice?
Dr. Francis Ennis practices at 6 Greenwich Office Park, Greenwich, CT 068315151. Office phone: 2038691145.
What is Dr. Francis Ennis's NPI?
Dr. Francis Ennis's National Provider Identifier (NPI) is 1144200031, issued by NPPES.
What procedures does Dr. Francis Ennis commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.