Doctor profile · Federal record

Dr. Thessa Robertson, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Gary, IN

  • NPI 1851332514
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
600 Grant Street
Gary, IN 46402
(219) 886-4601
fax (219) 886-4603
Additional location
145 N Weber RD
Bolingbrook, IL 604901504
(888) 693-6437

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 8, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Indiana #01061982A
Medicaid
IL #036113290

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851332514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
202
Distinct HCPCS
5
Medicare allowed
$27,594
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 88 84 $161
99291 Critical care, first 30-74 minutes 38 37 $199
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 30 29 $6
99214 Established patient office or other outpatient visit, 30-39 minutes 24 23 $133
99284 Emergency department visit with moderate level of medical decision making 22 22 $113

In context: peer comparison

Among 4 peers in Gary Emergency Medicine Physician, average services per provider: 77. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $16.23

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
12
Total drug cost
$78
Drug Type Claims Patients Total cost
Cephalexin Generic 13 12 $78

Frequently asked questions

Auto-generated from federal data
What is Dr. Thessa Robertson's medical specialty?
Dr. Thessa Robertson practices Emergency Medicine Physician in Gary, IN.
Where does Dr. Thessa Robertson practice?
Dr. Thessa Robertson practices at 600 Grant Street, Gary, IN 46402. Office phone: 2198864601.
What is Dr. Thessa Robertson's NPI?
Dr. Thessa Robertson's National Provider Identifier (NPI) is 1851332514, issued by NPPES.
Does Dr. Thessa Robertson accept Medicare assignment?
Yes. Dr. Thessa Robertson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thessa Robertson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.