Ryan Keenan, OD - Medicare Optometrist in Stanford, CA

Ryan Keenan, OD is a medicare enrolled "Optometrist" provider in Stanford, California. He went to Pennsylvania College Of Optometry and graduated in 2022 and has 2 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Salus University and his current practice location is 300 Pasteur Dr, Stanford, California. You can reach out to his office (for appointments etc.) via phone at (650) 723-4000.

Ryan Keenan is licensed to practice in California (license number 35832T) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1568196822.

Contact Information

Ryan Keenan, OD
300 Pasteur Dr,
Stanford, CA 94305-2200
(650) 723-4000
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameRyan Keenan
GenderMale
SpecialityOptometry
Experience2 Years
Location300 Pasteur Dr, Stanford, California
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ryan Keenan attended and graduated from Pennsylvania College Of Optometry in 2022
  NPI Data:
  • NPI Number: 1568196822
  • Provider Enumeration Date: 07/13/2022
  • Last Update Date: 10/31/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4789065517
  • Enrollment ID: I20220725002841

Medical Identifiers

Medical identifiers for Ryan Keenan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568196822NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 35832T (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Salus University913303188356

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. Ryan Keenan allows following entities to bill medicare on his behalf.
Provider NameSalus University
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1336160027
PECOS PAC ID: 9133031883
Enrollment ID: O20040302000032

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. Ryan Keenan 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
Ryan Keenan, OD
300 Pasteur Dr,
Stanford, CA 94305

Ph: (650) 723-4000
Ryan Keenan, OD
300 Pasteur Dr,
Stanford, CA 94305-2200

Ph: (650) 723-4000

Reviews and Comments


Optometrist in Stanford, CA

Zheng Chen, O.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
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Christina My Trinh, OD
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Dr. Payman Khalighi, O.D.
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Practice Location: 300 Pasteur Dr, Stanford, CA 94305
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Dr. Surbhi Bansal, O.D.
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Practice Location: 300 Pasteur Dr, Stanford, CA 94305
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Susan Chun-yu Su, OD
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Medicare: Medicare Enrolled
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
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Katherine Anne Warner, OD
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Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-498-7103    

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.