Dennis Steven Orwig, MD - Medicare Radiology in Greenbrae, CA

Dennis Steven Orwig, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in Greenbrae, California. His current practice location is 250 Bon Air Rd, Greenbrae, California. You can reach out to his office (for appointments etc.) via phone at (415) 925-7301.

Dennis Steven Orwig is licensed to practice in California (license number G57636) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1144267097.

Contact Information

Dennis Steven Orwig, MD
250 Bon Air Rd,
Greenbrae, CA 94904-1702
(415) 925-7301
Not Available

Map and Direction




Physician's Profile

Full NameDennis Steven Orwig
GenderMale
SpecialityRadiology - Diagnostic Radiology
Location250 Bon Air Rd, Greenbrae, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1144267097
  • Provider Enumeration Date: 05/31/2006
  • Last Update Date: 11/06/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 4880592005
  • Enrollment ID: I20080313000291

Medical Identifiers

Medical identifiers for Dennis Steven Orwig such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144267097NPI-NPPES
300035763OtherCARAILROAD MEDICARE
00G576360MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology G57636 (California)Primary

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. Dennis Steven Orwig allows following entities to bill medicare on his behalf.
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. Dennis Steven Orwig 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
Dennis Steven Orwig, MD
P.o. Box 6102,
Novato, CA 94948-6102

Ph: (415) 884-6418
Dennis Steven Orwig, MD
250 Bon Air Rd,
Greenbrae, CA 94904-1702

Ph: (415) 925-7301

Reviews and Comments


Radiology Doctors in Greenbrae, CA

Dr. Natalya Lvoff, M.D.
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Dr. Jay A Kaiser, M.D.
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Practice Location: 1260 S Eliseo Dr, Suite 100, Greenbrae, CA 94904
Phone: 415-461-9033    Fax: 415-883-8082
Dr. Donna Hoghooghi, M.D.
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Practice Location: 250 Bon Air Rd, Greenbrae, CA 94904
Phone: 415-925-7080    
Dr. Philip Kurzman, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 250 Bon Air Rd, Greenbrae, CA 94904
Phone: 415-884-3418    Fax: 415-883-8082

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.