Gary Duane Maas, OD - Optometrist in Vallejo, CA

Gary Duane Maas, OD is a Optometrist based in Vallejo, California. Gary Duane Maas is licensed to practice in California (license number OPT5904T) and his current practice location is 675 Sereno Dr., Vallejo, California. He can be reached at his office (for appointments etc.) via phone at (707) 651-2990.

NPI number for Gary Duane Maas is 1003960048 and his current mailing address is 975 Sereno Dr, Vallejo, California. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1003960048.

Contact Information

Gary Duane Maas, OD
675 Sereno Dr.,
Vallejo, CA 94589
(707) 651-2990
(707) 651-2948

Map and Direction




Healthcare Provider's Profile

Full NameGary Duane Maas
GenderMale
SpecialityOptometrist
Location675 Sereno Dr., Vallejo, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1003960048
  • Provider Enumeration Date: 01/23/2007
  • Last Update Date: 07/08/2007

Medical Identifiers

Medical identifiers for Gary Duane Maas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003960048NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist OPT5904T (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. Gary Duane Maas is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gary Duane Maas, OD
975 Sereno Dr,
Vallejo, CA 94589-2441

Ph: (707) 651-2990
Gary Duane Maas, OD
675 Sereno Dr.,
Vallejo, CA 94589

Ph: (707) 651-2990

Reviews and Comments


Optometrist in Vallejo, CA

Laura E Schrupp, O.D.
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Practice Location: 2852 Redwood Pkwy, Vallejo, CA 94591
Phone: 707-553-8222    Fax: 707-553-1154
Dr. Keith Daniel Kamei, O.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 198 Plaza Dr, Vallejo, CA 94591
Phone: 707-552-0602    
Dr. Walter Lewis Balding, O.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-2585    Fax: 707-651-2948
Arthur Jinyoung Park, OD
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Medicare: Medicare Enrolled
Practice Location: 173 Plaza Dr, Vallejo, CA 94591
Phone: 707-917-4053    
Anyika Butterfly, O.D.
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Medicare: Medicare Enrolled
Practice Location: 975 Sereno Dr, Kaiser Permanente, Vallejo, CA 94589
Phone: 707-651-1085    
Mr. Thomas C Cushing, OD
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 2852 Redwood Pkwy, Vallejo, CA 94591
Phone: 707-553-8222    Fax: 707-553-1154

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.