Dr Marike Zwienenberg, MD - Medicare Neurosurgery in Sacramento, CA

Dr Marike Zwienenberg, MD is a medicare enrolled "Neurological Surgery" physician in Sacramento, California. She graduated from medical school in 1994 and has 30 years of diverse experience with area of expertise as Neurosurgery. She is a member of the group practice Regents Of The Univ Of Ca and her current practice location is 4860 Y St, Suite 3740, Sacramento, California. You can reach out to her office (for appointments etc.) via phone at (916) 734-3658.

Dr Marike Zwienenberg is licensed to practice in California (license number A81122) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1205814506.

Contact Information

Dr Marike Zwienenberg, MD
4860 Y St, Suite 3740,
Sacramento, CA 95817-2307
(916) 734-3658
Not Available

Map and Direction




Physician's Profile

Full NameDr Marike Zwienenberg
GenderFemale
SpecialityNeurosurgery
Experience30 Years
Location4860 Y St, Sacramento, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Marike Zwienenberg graduated from medical school in 1994
  NPI Data:
  • NPI Number: 1205814506
  • Provider Enumeration Date: 01/06/2006
  • Last Update Date: 06/03/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4880789791
  • Enrollment ID: I20100817001088

Medical Identifiers

Medical identifiers for Dr Marike Zwienenberg such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205814506NPI-NPPES
0-570-681-7OtherECFMG

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 50810 (Wisconsin)Secondary
207T00000XNeurological Surgery A81122 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Of The Univ Of Ca33754566191360

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. Dr Marike Zwienenberg allows following entities to bill medicare on her behalf.
Entity NameRegents Of The Univ Of Ca
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013906973
PECOS PAC ID: 3375456619
Enrollment ID: O20031111000892

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. Dr Marike Zwienenberg 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
Dr Marike Zwienenberg, MD
4860 Y Street, Suite 3740,
Sacramento, CA 95817

Ph: (916) 734-3658
Dr Marike Zwienenberg, MD
4860 Y St, Suite 3740,
Sacramento, CA 95817-2307

Ph: (916) 734-3658

Reviews and Comments


Neurological Surgery Doctors in Sacramento, CA

Dr. Anne H. Sholes, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 2801 K St Ste 410, Neurosurgery, Sacramento, CA 95816
Phone: 916-733-8277    
Huy The Duong, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 4860 Y St, Department Of Neurological Surgery Suite #3740, Sacramento, CA 95817
Phone: 916-734-3071    Fax: 916-452-2580
Dr. Yi-ren Chen, MD, MPH
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3939 J St Ste 250, Sacramento, CA 95819
Phone: 916-733-3401    Fax: 916-733-3410
Martin Melicharek Iii, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2025 Morse Ave, Sacramento, CA 95825
Phone: 916-973-5000    
Dr. Justin Dominic Paquette, M.D., M.A.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3800 J St Ste 210, Sacramento, CA 95816
Phone: 916-341-0310    Fax: 916-341-0340
Dr. Dinesh Ramanathan, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 4860 Y St, Suite 3740, Sacramento, CA 95817
Phone: 916-734-4300    

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).

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