NPPES file of Aug 9, 2026

Thessa Grace Robertson, MD

Emergency Medicine Physician · Gary, IN

Thessa Grace Robertson, MD is an emergency medicine physician with a practice address in Gary, Indiana, and NPI 1851332514, issued on Jun 10, 2006. Check the license (Indiana 01061982A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851332514
Name
Thessa Grace Robertson
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
01061982A IN
Self-reported in NPPES; status is on the state search
Practice location
600 Grant Street, Gary, IN 46402
Phone
(219) 886-4601
Enumerated
Jun 10, 2006
Record last updated
Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(219) 886-4603
Medicaid ID
036113290 IL
Medicare enrollment
Enrolled (PECOS I20050623000631); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 Grant Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Evan Minger, PA-CPhysician Assistant1568349660

Verify Thessa Grace Robertson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01061982A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

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73% more Medicare Part D claims than the average emergency medicine physician in 2024

390 Medicare Part D claims for 282 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Thessa Robertson390
  2. Specialty average226

Most prescribed

  1. Azithromycin40 claims
  2. Prednisone40 claims
  3. Albuterol Sulfate Hfa36 claims
  4. Amoxicillin34 claims
  5. Nitrofurantoin Mono-Macro34 claims
  6. Cephalexin32 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $16.23

1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thessa Robertson$16.23
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cep America LLCGary, IN
  2. Dupage Medical Group LtdTinley Park, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thessa Grace Robertson among 1,293 emergency medicine physician records in Indiana

Thessa Grace Robertson, MD is one of 1,293 emergency medicine physician records with a practice address in Indiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2012 among the 814 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 emergency medicine physician records list a practice address in Gary

They are 11 of the 640 NPPES records with a practice address in Gary, and 1,293 emergency medicine physician records in Indiana.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Guangyu BaiGary, IN 464021386286474
  2. Emily Duym, MDGary, IN 464021225591134
  3. Steven Flynn, M.D.Gary, IN 464021821470006
  4. Cynthia Galvan, M.D.Gary, IN 464021831383934
  5. Mary Ella Kenefake, M.D.Gary, IN 464021548421498
  6. Jude Kieltyka, M.D.Gary, IN 464021639465776
  7. Phillip Kunz, M.D.Gary, IN 464021972762698
  8. Ricardo Rivera-Yagnich, M.D.Gary, IN 464021649534132

Common questions

What is Thessa Grace Robertson, MD's NPI number?

Thessa Grace Robertson, MD's National Provider Identifier (NPI) is 1851332514, issued on Jun 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thessa Grace Robertson, MD located?

The NPPES record lists a practice address at 600 Grant Street, Gary, IN, 46402. Phone: (219) 886-4601. Providers update this record themselves, so call before visiting.

How can I verify Thessa Grace Robertson, MD's license?

NPPES lists Indiana license number 01061982A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thessa Grace Robertson, MD prescribe under Medicare Part D?

In 2024, Thessa Grace Robertson, MD had 390 Medicare Part D claims for 282 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.