Nicolaj Andersen, MD - Medicare Hematology/oncology in Santa Rosa, CA

Nicolaj Andersen, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Santa Rosa, California. He graduated from medical school in 1997 and has 27 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 401 Bicentennial Way, Santa Rosa, California. You can reach out to his office (for appointments etc.) via phone at (707) 571-4000.

Nicolaj Andersen is licensed to practice in California (license number A90797) 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 1659455640.

Contact Information

Nicolaj Andersen, MD
401 Bicentennial Way,
Santa Rosa, CA 95403-2149
(707) 571-4000
Not Available

Map and Direction




Physician's Profile

Full NameNicolaj Andersen
GenderMale
SpecialityHematology/oncology
Experience27 Years
Location401 Bicentennial Way, Santa Rosa, 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:
  • Nicolaj Andersen graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1659455640
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 12/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5193741270
  • Enrollment ID: I20051018000779

Medical Identifiers

Medical identifiers for Nicolaj Andersen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659455640NPI-NPPES
00A907970MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology A90797 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital-santa RosaSanta rosa, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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. Nicolaj Andersen allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Nicolaj Andersen 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
Nicolaj Andersen, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Nicolaj Andersen, MD
401 Bicentennial Way,
Santa Rosa, CA 95403-2149

Ph: (707) 571-4000

Reviews and Comments


Internal Medicine Doctors in Santa Rosa, CA

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Jarrod Paul Holmes, MD
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Dr. James Andrew Driscoll, M.D.
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Phone: 512-459-6599    
Dominic Joseph Picetti, MD
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Practice Location: 30 Mark West Springs Rd, Santa Rosa, CA 95403
Phone: 707-576-4000    

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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