Ralph Maximillian Koenker, MD - Medicare Diagnostic Radiology in Novato, CA

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Ralph Maximillian Koenker, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Novato, California. He went to University Of California, San Diego School Of Medicine and graduated in 1985 and has 40 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice California Advanced Imaging Medical Associates Inc, Prima Medical Foundation and his current practice location is 180 Rowland Way, Novato, California. You can reach out to his office (for appointments etc.) via phone at (415) 290-1500.

Ralph Maximillian Koenker is licensed to practice in California (license number G60981) 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 1891734265.

Contact Information

Ralph Maximillian Koenker, MD
180 Rowland Way,
Novato, CA 94945-5009
(415) 290-1500
Not Available

Map and Direction




Physician's Profile

Full NameRalph Maximillian Koenker
GenderMale
SpecialityDiagnostic Radiology
Experience40 Years
Location180 Rowland Way, Novato, 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:
  • Ralph Maximillian Koenker attended and graduated from University Of California, San Diego School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1891734265
  • Provider Enumeration Date: 06/04/2006
  • Last Update Date: 03/07/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 4789582909
  • Enrollment ID: I20060209000255

Medical Identifiers

Medical identifiers for Ralph Maximillian Koenker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891734265NPI-NPPES
00G609810MedicaidCA
300121787OtherCARAILROAD MEDICARE
00G609810OtherCABLUE SHIELD
300035771OtherCARAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology G60981 (California)Primary
2085R0204XRadiology - Vascular & Interventional Radiology G60981 (California)Secondary
2085N0700XRadiology - Neuroradiology G60981 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Marinhealth Medical CenterGreenbrae, CAHospital
Novato Community HospitalNovato, CAHospital
Sonoma Valley HospitalSonoma, CAHospital
Ucsf Medical CenterSan francisco, CAHospital
California Pacific Medical Center- Van Ness CampusSan francisco, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
California Advanced Imaging Medical Associates Inc024414422876
Prima Medical Foundation640604013829

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. Ralph Maximillian Koenker allows following entities to bill medicare on his behalf.
Entity NameCalifornia Advanced Imaging Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881646909
PECOS PAC ID: 0244144228
Enrollment ID: O20031113000847
Entity NamePrima Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811217946
PECOS PAC ID: 6406040138
Enrollment ID: O20101027000334

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. Ralph Maximillian Koenker 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
Ralph Maximillian Koenker, MD
Po Box 6102,
Novato, CA 94948-6102

Ph: (415) 884-3418		Ralph Maximillian Koenker, MD
180 Rowland Way,
Novato, CA 94945-5009

Ph: (415) 290-1500

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.