Doctors On Site, Ltd - Medicare Primary Care in South Barrington, IL

Doctors On Site, Ltd is a medicare enrolled primary clinic (General Practice) in South Barrington, Illinois. The current practice location for Doctors On Site, Ltd is 1 Executive Ct, Suite 1, South Barrington, Illinois. For appointments, you can reach them via phone at (847) 882-2030. The mailing address for Doctors On Site, Ltd is 1 Executive Ct, Suite 1, South Barrington, Illinois and phone number is (847) 882-2030.

Doctors On Site, Ltd is licensed to practice in * (Not Available) (license number ). The clinic also participates in the medicare program and its NPI number is 1720410483. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (847) 882-2030.

Contact Information

Doctors On Site, Ltd
1 Executive Ct
Suite 1
South Barrington
IL 60010-9533
(847) 882-2030
(847) 294-1954

Map and Direction


Primary Care Clinic Profile

Full NameDoctors On Site, Ltd
SpecialityGeneral Practice
Location1 Executive Ct, South Barrington, Illinois
Authorized Official Name and PositionRoseann Gager (PRESIDENT)
Authorized Official Contact8478822030
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Doctors On Site, Ltd
1 Executive Ct
Suite 1
South Barrington
IL 60010-9533

Ph: (847) 882-2030
Doctors On Site, Ltd
1 Executive Ct
Suite 1
South Barrington
IL 60010-9533

Ph: (847) 882-2030

NPI Details:

NPI Number1720410483
Provider Enumeration Date08/05/2013
Last Update Date04/28/2017

Medicare PECOS Information:

Medicare PECOS PAC ID8820223340
Medicare Enrollment IDO20131108000252

Medical Identifiers

Medical identifiers for Doctors On Site, Ltd such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720410483NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice (* (Not Available))Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Doctors On Site, Ltd acts as a billing entity for following providers:
Provider NameRoseann M Gager
Provider TypePractitioner - Family Practice
Provider IdentifiersNPI Number: 1053569327
PECOS PAC ID: 5193969459
Enrollment ID: I20130926000635
Provider NameNaomi Lockett
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1235536350
PECOS PAC ID: 1951626266
Enrollment ID: I20150209001171
Provider NameJeraldene Shaffer
Provider TypePractitioner - Certified Clinical Nurse Specialist (cns)
Provider IdentifiersNPI Number: 1831120104
PECOS PAC ID: 2668799289
Enrollment ID: I20150319001285
Provider NameAsantewah F Daniels
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1083076871
PECOS PAC ID: 7719285840
Enrollment ID: I20160406000452
Provider NameGeorgena Wiley
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1346587680
PECOS PAC ID: 5193028710
Enrollment ID: I20180605000316
Provider NameVenessann Thornton-mclendon
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1437656527
PECOS PAC ID: 6709136708
Enrollment ID: I20180913000152
Provider NameElizabeth Z Gussis
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1861900789
PECOS PAC ID: 6507111507
Enrollment ID: I20181129001161
Provider NameMarian Nwamaka Chukwumah
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1366927360
PECOS PAC ID: 5092057026
Enrollment ID: I20190423002255
Provider NameDeidra Sanford
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1386106649
PECOS PAC ID: 8921332305
Enrollment ID: I20190619002451
Provider NameRegina Ruffin
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1164084133
PECOS PAC ID: 5294063939
Enrollment ID: I20190820001418
Provider NameNelly S Cavero
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1457906570
PECOS PAC ID: 6507195054
Enrollment ID: I20190909000955

Reviews and Comments


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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.