NPPES file of Aug 9, 2026

Dercy J. Aranador, MD

Internal Medicine Physician · Chicago, IL

Dercy J. Aranador, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1922045376, issued on Jun 1, 2006. Check the license (Illinois 036049190, 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
1922045376
Name
Dercy J. Aranador
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036049190 IL
Self-reported in NPPES; status is on the state search
Practice location
2913 N Commonwealth Ave FL 5, Chicago, IL 60657
Phone
(773) 665-3124
Enumerated
Jun 1, 2006
Record last updated
Nov 16, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(773) 665-3408
Medicaid ID
036049190 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2913 N Commonwealth Ave FL 5

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

  1. Lisa Greising, M.D.Internal Medicine Physician1578523155
  2. Tamara Perry, M.D.Obstetrics & Gynecology Physician1710374434
  3. Maria Silveira Galban, MDPediatrics Physician1821287657

Verify Dercy J. Aranador 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 036049190
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Dercy Aranador18
  2. Specialty average3,176

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.

Dercy J. Aranador among 7,238 internal medicine physician records in Illinois

Dercy J. Aranador, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2011 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bruce Blacker, M.D.Chicago, IL 606571982603924
  2. Brian Boholst, M.D.Chicago, IL 606571235181959
  3. Edgar Borda, MDChicago, IL 606571891782447
  4. Harold EulienChicago, IL 606571700877222
  5. Lisa Greising, M.D.Chicago, IL 606571578523155
  6. Michael Grendon, M.D.Chicago, IL 606571922007962
  7. Catherine Kallal, MDChicago, IL 606571407801665
  8. Alam Khan, M.D.Chicago, IL 606571316946288

Common questions

What is Dercy J. Aranador, MD's NPI number?

Dercy J. Aranador, MD's National Provider Identifier (NPI) is 1922045376, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dercy J. Aranador, MD located?

The NPPES record lists a practice address at 2913 N Commonwealth Ave FL 5, Chicago, IL, 60657. Phone: (773) 665-3124. Providers update this record themselves, so call before visiting.

How can I verify Dercy J. Aranador, MD's license?

NPPES lists Illinois license number 036049190, 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 Dercy J. Aranador, MD prescribe under Medicare Part D?

In 2024, Dercy J. Aranador, MD had 18 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.