Samuel T Ahn, MD - Medicare Diagnostic Radiology in Fontana, CA

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Samuel T Ahn, MD is a medicare enrolled "Radiology - Vascular & Interventional Radiology" physician in Fontana, California. He went to University Of Missouri, Kansas City, School Of Medicine and graduated in 1989 and has 37 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Medical Imaging Of Colorado Radiology Imaging Assc Pc Etal Pt, Radiology Imaging Associates Pc, Radiology Imaging Associates Pc, Radiology Imaging Associates Pc and his current practice location is 9961 Sierra Ave, Fontana, California. You can reach out to his office (for appointments etc.) via phone at (909) 427-5000.

Samuel T Ahn is licensed to practice in Colorado (license number 30434) 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 1942286661.

Contact Information

Samuel T Ahn, MD
9961 Sierra Ave,
Fontana, CA 92335-6720
(909) 427-5000
Not Available

Map and Direction




Physician's Profile

Full NameSamuel T Ahn
GenderMale
SpecialityDiagnostic Radiology
Experience37 Years
Location9961 Sierra Ave, Fontana, California
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:
  • Samuel T Ahn attended and graduated from University Of Missouri, Kansas City, School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1942286661
  • Provider Enumeration Date: 12/15/2005
  • Last Update Date: 05/08/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 5890688980
  • Enrollment ID: I20040203000880

Medical Identifiers

Medical identifiers for Samuel T Ahn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942286661NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology MD21108 (Hawaii)Secondary
2085R0202XRadiology - Diagnostic Radiology 30434 (Colorado)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology 30434 (Colorado)Primary
2085R0202XRadiology - Diagnostic Radiology 27274 (Nebraska)Secondary
2085R0202XRadiology - Diagnostic Radiology 04-43282 (Kansas)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Lutheran Medical CenterWheat ridge, COHospital
Littleton Adventist Hospital, Centura HealthLittleton, COHospital
Parker Adventist HospitalParker, COHospital
Aurora South Hospital And Medical CenterAurora, COHospital
Sky Ridge Medical CenterLone tree, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medical Imaging Of Colorado Radiology Imaging Assc Pc Etal Pt5395644702120
Radiology Imaging Associates Pc2860391257148
Radiology Imaging Associates Pc2860391257148
Radiology Imaging Associates Pc2860391257148

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. Samuel T Ahn allows following entities to bill medicare on his behalf.
Entity NameRadiology Imaging Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679513196
PECOS PAC ID: 2860391257
Enrollment ID: O20040105000742
Entity NameMedical Imaging Of Colorado Radiology Imaging Assc Pc Etal Pt
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336188234
PECOS PAC ID: 5395644702
Enrollment ID: O20040105000829
Entity NameYampa Valley Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790787307
PECOS PAC ID: 5890685689
Enrollment ID: O20040316001301
Entity NameGunnison Valley Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932109048
PECOS PAC ID: 8426040486
Enrollment ID: O20040331000463
Entity NameRia Endovascular Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558301077
PECOS PAC ID: 5597709717
Enrollment ID: O20050617000339
Entity NameRadiology Imaging Of Nebraska Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184869901
PECOS PAC ID: 5597828269
Enrollment ID: O20090303000126
Entity NameHawaii Radiologic Associates Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174679443
PECOS PAC ID: 0941190953
Enrollment ID: O20150107000259
Entity NameBanner Imaging Services Colorado Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326674979
PECOS PAC ID: 7416377270
Enrollment ID: O20201015002363

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. Samuel T Ahn 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
Samuel T Ahn, MD
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-5000		Samuel T Ahn, MD
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-5000

Reviews and Comments


Radiology Doctors in Fontana, CA

Edmond Yang, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Monica Lau Leung, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Dip S. Sidhu, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
John D Tucker,
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 9985 Sierra Ave, Bldg. #3, Dept. Of Radiology, Fontana, CA 92335
Phone: 909-427-7649    
Vicente Pierantoni, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    Fax: 626-405-6768
Jon Pin Lee, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Sam K. Kim, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    

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.