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 16 years of diverse experience with area of expertise as Interventional Radiology. He is a member of the group practice The Bellevue Hospital, Baptist Health Medical Group Inc, Enloe Medical Center, Smi Imaging Llc, Simonmed Imaging Florida Llc, Universal Radiology Partners Of Nevada, Health Diagnostics Of California A Professional Corporation 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
Experience16 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 HealthChico, CAHospital
Valley Hospital Medical CenterLas vegas, NVHospital
Oroville HospitalOroville, CAHospital
Northern Nevada Medical CenterSparks, NVHospital
Desert View HospitalPahrump, NVHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Bellevue Hospital680086395210
Baptist Health Medical Group Inc55978671842431
Enloe Medical Center9739092388330
Smi Imaging Llc3476696220380
Simonmed Imaging Florida Llc6608036108302
Universal Radiology Partners Of Nevada579929525971
Health Diagnostics Of California A Professional Corporation4284621525176

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 NameEnloe Medical Center
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1477975613
PECOS PAC ID: 9739092388
Enrollment ID: O20140401001696
Entity NameSimonmed Imaging Florida LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477830818
PECOS PAC ID: 6608036108
Enrollment ID: O20160512001501
Entity NameSmi Imaging LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972004489
PECOS PAC ID: 3476696220
Enrollment ID: O20180825000009
Entity NameHealth Diagnostics of California a Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104321959
PECOS PAC ID: 4284621525
Enrollment ID: O20180825000084
Entity NameHoward Simon MD PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659930998
PECOS PAC ID: 7214369966
Enrollment ID: O20200320000417
Entity NameSimonmed Reno PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306576145
PECOS PAC ID: 5991140360
Enrollment ID: O20240816002189
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.