Dr Robert Spencer Christensen, OD - Medicare Optometrist in Mill Valley, CA

Dr Robert Spencer Christensen, OD is a medicare enrolled "Optometrist" provider in Mill Valley, California. His current practice location is 741 E Blithedale Ave, Mill Valley, California. You can reach out to his office (for appointments etc.) via phone at (415) 381-3355.

Dr Robert Spencer Christensen is licensed to practice in California (license number 6009T) 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 1639246689.

Contact Information

Dr Robert Spencer Christensen, OD
741 E Blithedale Ave,
Mill Valley, CA 94941-1526
(415) 381-3355
(415) 381-9579

Map and Direction




Healthcare Provider's Profile

Full NameDr Robert Spencer Christensen
GenderMale
Speciality
Experience Years
Location741 E Blithedale Ave, Mill Valley, 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:
  • Dr Robert Spencer Christensen attended and graduated from in
  NPI Data:
  • NPI Number: 1639246689
  • Provider Enumeration Date: 11/28/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Robert Spencer Christensen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639246689NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 6009T (California)Primary

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 Robert Spencer Christensen 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 Robert Spencer Christensen, OD
741 E Blithedale Ave,
Mill Valley, CA 94941-1526

Ph: (415) 381-3355
Dr Robert Spencer Christensen, OD
741 E Blithedale Ave,
Mill Valley, CA 94941-1526

Ph: (415) 381-3355

Reviews and Comments


Optometrist in Mill Valley, CA

Jennifer Lin, O.D.
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Phone: 916-501-2821    
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Phone: 415-383-4085    Fax: 415-634-1364
Dr. Channie A. Duhn, O.D.
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Phone: 415-388-8262    Fax: 415-388-2234
Lawrence Kaplan,
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Practice Location: 61 Camino Alto Ste 100, Mill Valley, CA 94941
Phone: 415-381-2020    Fax: 415-381-0774
Mill Valley Optometry
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Medicare: Medicare Enrolled
Practice Location: 61 Camino Alto Ste 100, Mill Valley, CA 94941
Phone: 415-381-2020    
Jean S. Brennan O.d., A Professional Corp.
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Medicare: Not Enrolled in Medicare
Practice Location: 158 Throckmorton Ave, Mill Valley, CA 94941
Phone: 415-388-8262    Fax: 415-388-2234

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.