NPPES file of Aug 9, 2026

Januario Purisima Estrada, M.D.

Internal Medicine Physician · Hoffman Estates, IL

Januario Purisima Estrada, M.D. is an internal medicine physician with a practice address in Hoffman Estates, Illinois, and NPI 1356358873, issued on Aug 1, 2006. Check the license (Illinois 036074492, 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
1356358873
Name
Januario Purisima Estrada
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036074492 IL
Self-reported in NPPES; status is on the state search
Practice location
1585 Barrington RD, Hoffman Estates, IL 60194
Phone
(847) 844-3199
Enumerated
Aug 1, 2006
Record last updated
Aug 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(847) 844-1536
Medicaid ID
036074492 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 1585 Barrington RD

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

  1. German Calonje, M.D.Obstetrics & Gynecology Physician1215042205
  2. Daniel Chin, D.D.S.Oral and Maxillofacial Surgery (Dentist)1649286642
  3. Andrea Das, M.D.Specialist1477608743
  4. Sandeep Jejurikar, MDSpecialist1871632018
  5. Vishvanath Karande, M.D.Reproductive Endocrinology Physician1487600763
  6. Sigal Klipstein, M.D.Reproductive Endocrinology Physician1740236025

Verify Januario Purisima Estrada 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 036074492
    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

29 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Januario Estrada29
  2. Specialty average3,176

Most prescribed

  1. Montelukast Sodium14 claims
  2. Incruse Ellipta13 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.

Januario Purisima Estrada among 7,238 internal medicine physician records in Illinois

Januario Purisima Estrada, M.D. 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 updated2019 · 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).

35 internal medicine physician records list a practice address in Hoffman Estates

They are 35 of the 1,293 NPPES records with a practice address in Hoffman Estates, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ajay Jain, M.D.Schaumburg, IL 601941275610917
  2. Manuel Perez, M.D.Hoffman Estates, IL 601941750319034
  3. Parol Pitroda, MDSchaumburg, IL 601941225064686
  4. Amina Rahim, M.D.Schaumburg, IL 601941689660763
  5. Sunita Talwar, M.DHoffman Estates, IL 601941790873826
  6. Lawrence Bergman, MDHoffman Estates, IL 601951811083934
  7. Jaroslaw Drag, M.D.Schaumburg, IL 601931609936954
  8. Doran Duke, M.D.Schaumburg, IL 601931053671479

Common questions

What is Januario Purisima Estrada, M.D.'s NPI number?

Januario Purisima Estrada, M.D.'s National Provider Identifier (NPI) is 1356358873, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Januario Purisima Estrada, M.D. located?

The NPPES record lists a practice address at 1585 Barrington RD, Hoffman Estates, IL, 60194. Phone: (847) 844-3199. Providers update this record themselves, so call before visiting.

How can I verify Januario Purisima Estrada, M.D.'s license?

NPPES lists Illinois license number 036074492, 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 Januario Purisima Estrada, M.D. prescribe under Medicare Part D?

In 2024, Januario Purisima Estrada, M.D. had 29 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.