Alex P Pallas, DO - Medicare Interventional Radiology in Mchenry, IL

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Alex P Pallas, DO is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Mchenry, Illinois. He graduated from medical school in 2010 and has 15 years of diverse experience with area of expertise as Interventional Radiology. He is a member of the group practice Tri-county Radiologists Inc, Dignity Health Medical Foundation, Mount Nittany Medical Center Health Services Inc, Enloe Medical Center, Appalachian Mountains Medical Llc, Uintah Basin Medical Center Inc, Baptist Health Medical Group Inc, Monongahela Valley Hospital Inc, Dubois Regional Medical Center and his current practice location is 4201 W Medical Center Dr, Mchenry, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 334-5566.

Alex P Pallas is licensed to practice in Illinois (license number 036151032) 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 1235455262.

Contact Information

Alex P Pallas, DO
4201 W Medical Center Dr,
Mchenry, IL 60050-8409
(815) 334-5566
(815) 759-4008

Map and Direction




Physician's Profile

Full NameAlex P Pallas
GenderMale
SpecialityInterventional Radiology
Experience15 Years
Location4201 W Medical Center Dr, Mchenry, 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:
  • Alex P Pallas graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1235455262
  • Provider Enumeration Date: 04/15/2010
  • Last Update Date: 10/30/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 5991014169
  • Enrollment ID: I20170525001359

Medical Identifiers

Medical identifiers for Alex P Pallas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235455262NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0204XRadiology - Vascular & Interventional Radiology 20A14311 (California)Secondary
2085R0202XRadiology - Diagnostic Radiology S7748 (Texas)Secondary
2085R0202XRadiology - Diagnostic Radiology OS020173 (Pennsylvania)Secondary
2085R0202XRadiology - Diagnostic Radiology 036151032 (Illinois)Primary
2085R0202XRadiology - Diagnostic Radiology OS16401 (Florida)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Enloe Medical CenterChico, CAHospital
Baptist Health CorbinCorbin, KYHospital
Penn Highland DuboisDubois, PAHospital
Mount Nittany Medical CenterState college, PAHospital
Oroville HospitalOroville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tri-county Radiologists Inc084024190710
Dignity Health Medical Foundation78108006611170
Mount Nittany Medical Center Health Services Inc8426136797296
Enloe Medical Center9739092388325
Appalachian Mountains Medical Llc670901626434
Uintah Basin Medical Center Inc024413194456
Baptist Health Medical Group Inc55978671842132
Monongahela Valley Hospital Inc014311760625
Dubois Regional Medical Center5890689715361

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. Alex P Pallas allows following entities to bill medicare on his behalf.
Entity NameDignity Health Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700803418
PECOS PAC ID: 7810800661
Enrollment ID: O20031107000709
Entity NameEnloe Medical Center
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1477975613
PECOS PAC ID: 9739092388
Enrollment ID: O20140401001696
Entity NameGarden City Radiology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336612084
PECOS PAC ID: 6406194323
Enrollment ID: O20190423002573
Entity NameX-ray Professional Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790758449
PECOS PAC ID: 3375539927
Enrollment ID: O20200721000816
Entity NameMchenry Radiologists And Imaging Associates Sc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083637094
PECOS PAC ID: 7810959004
Enrollment ID: O20230306000792
Entity NameMount Nittany Medical Center Health Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598992554
PECOS PAC ID: 8426136797
Enrollment ID: O20241127001204
Entity NameTri-county Radiologists Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477544880
PECOS PAC ID: 0840241907
Enrollment ID: O20250313002540
Entity NameGreat Lakes Radiology Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891529111
PECOS PAC ID: 7113456831
Enrollment ID: O20250425001510
Entity NameThe Bellevue Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134161623
PECOS PAC ID: 6800863952
Enrollment ID: O20250512000954

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. Alex P Pallas 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
Alex P Pallas, DO
1140 40th St,
Sacramento, CA 95819-3615

Ph: (925) 209-0880		Alex P Pallas, DO
4201 W Medical Center Dr,
Mchenry, IL 60050-8409

Ph: (815) 334-5566

Reviews and Comments


Radiology Doctors in Mchenry, IL

Ernest A Conti, MD
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Abhijit Patil,
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Milton W Hummel, M.D.
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Dr. Aaron Wittenberg, M.D.
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Balatripura Voruganti, M.D.
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Practice Location: 4201 W Medical Center Dr, Mchenry, IL 60050
Phone: 815-334-5566    Fax: 815-759-4008
Michael J. Flaherty, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 4201 W Medical Center Dr, Mchenry, IL 60050
Phone: 815-334-5566    Fax: 815-759-4008

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.