NPPES file of Aug 9, 2026

Ernesto Tan, MD

Urology Physician · Lockport, IL

Ernesto Tan, MD is a urology physician with a practice address in Lockport, Illinois, and NPI 1699882084, issued on Aug 23, 2006. Check the license (Illinois 036049705, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699882084
Name
Ernesto Tan
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
036049705 IL
Self-reported in NPPES; status is on the state search
Practice location
300 Read St Ste A, Lockport, IL 60441
Phone
(815) 741-1020
Enumerated
Aug 23, 2006
Record last updated
Aug 30, 2023
Fax
(815) 741-1064
Medicare enrollment
Enrolled (PECOS I20050418001131); 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 300 Read St Ste A

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

  1. Kristen DickinsonSocial Worker1871273912
  2. Nina TrlakProfessional Counselor1992411086

Verify Ernesto Tan 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 036049705
    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

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92% fewer Medicare Part D claims than the average urology physician in 2024

109 Medicare Part D claims for 53 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.

  1. Ernesto Tan109
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl34 claims
  2. Finasteride23 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.

The MIPS final score for 2023 (Medicare payment program): 84.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score61.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%93.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $24.24

1 payment: food and beverage; the largest payer was Endo USA, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ernesto Tan$24.24
  2. Specialty average$3,800.04

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

2 hospitals and group practices

  1. Graham Hospital AssociationCanton, IL · Acute Care Hospitals3 of 5 stars
  2. Prime Healthcare Illinois Medical Group LLCBourbonnais, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Ernesto Tan among 629 urology physician records in Illinois

Ernesto Tan, MD is one of 629 urology physician records with a practice address in Illinois. 76% 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, 54% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated1972 · median 2002 among the 341 with a school on file
  • Record last updated2023 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Illinois

There are 629 urology physician records in Illinois.

The 8 urology physician records with the nearest ZIP codes

  1. Christopher Boniquit, M.D.Bolingbrook, IL 604401114152196
  2. Vibha Sabharwal, M.D.Bolingbrook, IL 604401235171943
  3. George Jones, M.D.Joliet, IL 604351750369658
  4. Gregory Andros, M.D.Joliet, IL 604311962481143
  5. Thomas Burns, M.D.Joliet, IL 604311003896903
  6. Luke Cho, MDJoliet, IL 604311669400933
  7. Gregory Lewis, M.D.Joliet, IL 604311023098910
  8. Ryan Manecke, M.D.Joliet, IL 604311942289129

Common questions

What is Ernesto Tan, MD's NPI number?

Ernesto Tan, MD's National Provider Identifier (NPI) is 1699882084, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ernesto Tan, MD located?

The NPPES record lists a practice address at 300 Read St Ste A, Lockport, IL, 60441. Phone: (815) 741-1020. Providers update this record themselves, so call before visiting.

How can I verify Ernesto Tan, MD's license?

NPPES lists Illinois license number 036049705, 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 Ernesto Tan, MD prescribe under Medicare Part D?

In 2024, Ernesto Tan, MD had 109 Medicare Part D claims for 53 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

What is Ernesto Tan, MD's MIPS final score?

The 2023 MIPS final score is 84.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.