Doctor profile · Federal record

Dr. Elsy Devassy, M.D.

Specialist (CMS: Psychiatry) · Lockport, IL

  • NPI 1417950783
  • Accepts Medicare
  • 52 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16612 W 159Th St, Suite 204
Lockport, IL 604418006
(815) 588-3900
fax (815) 588-1414

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
January 22, 2014
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Illinois #036063297
Medicaid
IL #036063297

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417950783. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
3
Medicare allowed
$25,626
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 124 57 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 71 34 $88
99215 Established patient office or other outpatient visit, 40-54 minutes 17 13 $184

In context: peer comparison

Among 1 peers in Lockport Specialist, average services per provider: 70. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
808
Patients
98
Total drug cost
$17,817
Drug Type Claims Patients Total cost
Escitalopram Oxalate Generic 119 22 $1,378
Lorazepam Generic 79 12 $658
Alprazolam Generic 78 15 $731
Clonazepam Generic 72 13 $1,246
Bupropion Xl (Bupropion Hcl) Brand 66 12 $1,652
Fluoxetine Hcl Generic 53 0 $444
Aripiprazole Generic 49 0 $6,602
Olanzapine Generic 49 0 $1,601
Quetiapine Fumarate Generic 49 0 $562
Trazodone Hcl Generic 43 12 $242

Frequently asked questions

Auto-generated from federal data
What is Dr. Elsy Devassy's medical specialty?
Dr. Elsy Devassy practices Specialist in Lockport, IL.
Where does Dr. Elsy Devassy practice?
Dr. Elsy Devassy practices at 16612 W 159Th St, Lockport, IL 604418006. Office phone: 8155883900.
What is Dr. Elsy Devassy's NPI?
Dr. Elsy Devassy's National Provider Identifier (NPI) is 1417950783, issued by NPPES.
Does Dr. Elsy Devassy accept Medicare assignment?
Yes. Dr. Elsy Devassy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elsy Devassy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.