NPPES file of Aug 9, 2026

Abraham Thomas, MD

Nephrology Physician · Evergreen Park, IL

Abraham Thomas, MD is a nephrology physician with a practice address in Evergreen Park, Illinois, and NPI 1255356689, issued on Jul 13, 2006. Check the license (Illinois 036110529, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1255356689
Name
Abraham Thomas
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
036110529 IL
Self-reported in NPPES; status is on the state search
Practice location
9125 S Pulaski RD, Evergreen Park, IL 60805
Phone
(708) 422-7715
Enumerated
Jul 13, 2006
Record last updated
Apr 29, 2025
Fax
(708) 422-7816
Medicare enrollment
Enrolled (PECOS I20040901001082); 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 9125 S Pulaski RD

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

  1. Akash Ahuja, MDNephrology Physician1306879929
  2. Rizma Bajwa, MDNephrology Physician1427211978
  3. Vanessa Galloway, MSN, APRN, FNP-BCFamily Nurse Practitioner1114634805
  4. Kelly Guglielmi, M.D.Nephrology Physician1174556781
  5. Amy Janda, PAPhysician Assistant1831718089
  6. Goutham KondapiNephrology Physician1245792175

Verify Abraham Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036110529
    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 Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% more Medicare Part D claims than the average nephrology physician in 2024

1,544 Medicare Part D claims for 298 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Abraham Thomas1,544
  2. Specialty average1,465

Most prescribed

  1. Furosemide141 claims
  2. Calcitriol133 claims
  3. Amlodipine Besylate94 claims
  4. Lisinopril80 claims
  5. Nifedipine Er70 claims
  6. Losartan Potassium58 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: $138.43

6 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Abraham Thomas$138.43
  2. Specialty average$3,091.37

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

Bills Medicare through 3 group practices

  1. Advocate Health And Hospitals CorporationSouth Holland, IL
  2. Nephrology Associates OF Northern Illinois LtdAlsip, IL
  3. Southwest Nephrology Associates, S.C.Evergreen Park, IL

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

Abraham Thomas among 572 nephrology physician records in Illinois

Abraham Thomas, MD is one of 572 nephrology physician records with a practice address in Illinois. 87% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1996 · median 2002 among the 433 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 nephrology physician records list a practice address in Evergreen Park

They are 19 of the 603 NPPES records with a practice address in Evergreen Park, and 572 nephrology physician records in Illinois.

The 8 nephrology physician records with the nearest ZIP codes

  1. Akash Ahuja, MDEvergreen Park, IL 608051306879929
  2. Rizma Bajwa, MDEvergreen Park, IL 608051427211978
  3. Sreedevi Chittineni, M.D.Evergreen Park, IL 608051871532796
  4. Paul Crawford, M.D.Evergreen Park, IL 608051831179183
  5. Kelly Guglielmi, M.D.Evergreen Park, IL 608051174556781
  6. Edgar Lerma, M.D.Evergreen Park, IL 608051841279981
  7. Ejikeme Obasi, MDEvergreen Park, IL 608051205869815
  8. Joseph Oyama, M.D.Evergreen Park, IL 608051134144504

Common questions

What is Abraham Thomas, MD's NPI number?

Abraham Thomas, MD's National Provider Identifier (NPI) is 1255356689, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Abraham Thomas, MD located?

The NPPES record lists a practice address at 9125 S Pulaski RD, Evergreen Park, IL, 60805. Phone: (708) 422-7715. Providers update this record themselves, so call before visiting.

How can I verify Abraham Thomas, MD's license?

NPPES lists Illinois license number 036110529, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Abraham Thomas, MD prescribe under Medicare Part D?

In 2024, Abraham Thomas, MD had 1,544 Medicare Part D claims for 298 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.