Ernesto Tan, MD - Medicare Urology in Lockport, IL

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Ernesto Tan, MD is a medicare enrolled "Urology" physician in Lockport, Illinois. He graduated from medical school in 1972 and has 52 years of diverse experience with area of expertise as Urology. He is a member of the group practice Graham Hospital Association, Presence Healthcare Services and his current practice location is 300 Read St Ste A, Lockport, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 741-1020.

Ernesto Tan is licensed to practice in Illinois (license number 036049705) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1699882084.

Contact Information

Ernesto Tan, MD
300 Read St Ste A,
Lockport, IL 60441-3265
(815) 741-1020
(815) 741-1064

Map and Direction




Physician's Profile

Full NameErnesto Tan
GenderMale
SpecialityUrology
Experience52 Years
Location300 Read St Ste A, Lockport, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ernesto Tan graduated from medical school in 1972
  NPI Data:
  • NPI Number: 1699882084
  • Provider Enumeration Date: 08/23/2006
  • Last Update Date: 08/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1951349240
  • Enrollment ID: I20050418001131

Medical Identifiers

Medical identifiers for Ernesto Tan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699882084NPI-NPPES
IL3265OtherGROUP MEDICARE PTAN
1467471540OtherGROUP NPI
DF2482OtherRR PTAM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208800000XUrology 036049705 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Graham Hospital AssociationCanton, ILHospital
Presence St Marys HospitalKankakee, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Graham Hospital Association276937502195
Presence Healthcare Services2860396769317

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ernesto Tan allows following entities to bill medicare on his behalf.
Entity NameUnited Shockwave Services Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497132377
PECOS PAC ID: 8729984448
Enrollment ID: O20031211000738
Entity NameGraham Hospital Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780692087
PECOS PAC ID: 2769375021
Enrollment ID: O20040510000873
Entity NamePresence Healthcare Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356727127
PECOS PAC ID: 2860396769
Enrollment ID: O20150810001673

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ernesto Tan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ernesto Tan, MD
10400 Southwest Hwy Lowr Level,
Chicago Ridge, IL 60415-2394

Ph: (708) 590-8770		Ernesto Tan, MD
300 Read St Ste A,
Lockport, IL 60441-3265

Ph: (815) 741-1020

Reviews and Comments


Urology Doctors in Lockport, IL


Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.