Stephen Ryu, MD - Medicare Neurosurgery in Palo Alto, CA

Stephen Ryu, MD is a medicare enrolled "Neurological Surgery" physician in Palo Alto, California. He went to University Of California, San Diego School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Sutter Bay Medical Foundation and his current practice location is 795 El Camino Real, Palo Alto, California. You can reach out to his office (for appointments etc.) via phone at (650) 853-2953.

Stephen Ryu is licensed to practice in California (license number A72659) 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 1134153505.

Contact Information

Stephen Ryu, MD
795 El Camino Real,
Palo Alto, CA 94301-2302
(650) 853-2953
Not Available

Map and Direction




Physician's Profile

Full NameStephen Ryu
GenderMale
SpecialityNeurosurgery
Experience25 Years
Location795 El Camino Real, Palo Alto, 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:
  • Stephen Ryu attended and graduated from University Of California, San Diego School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1134153505
  • Provider Enumeration Date: 07/10/2006
  • Last Update Date: 06/04/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8628072857
  • Enrollment ID: I20060831000128

Medical Identifiers

Medical identifiers for Stephen Ryu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134153505NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery A72659 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sequoia HospitalRedwood city, CAHospital
Peninsula Medical CenterBurlingame, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sutter Bay Medical Foundation42845387782941

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. Stephen Ryu allows following entities to bill medicare on his behalf.
Entity NameStanford Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437292927
PECOS PAC ID: 6709797491
Enrollment ID: O20031124000348
Entity NameSutter Bay Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013950807
PECOS PAC ID: 4284538778
Enrollment ID: O20031125000909

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. Stephen Ryu 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
Stephen Ryu, MD
325 Distel Cir,
Los Altos, CA 94022-1408

Ph: (650) 853-2919
Stephen Ryu, MD
795 El Camino Real,
Palo Alto, CA 94301-2302

Ph: (650) 853-2953

Reviews and Comments


Neurological Surgery Doctors in Palo Alto, CA

Cormac Oliver Loughrey Maher, MD
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Phone: 650-497-8000    
Dr. Tim E. Darsaut, M.D., MSC., FRCS(C)
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Phone: 780-232-7745    
Natalie Rw Limoges, DO
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Phone: 650-497-8000    
Linden Elizabeth Fornoff, M.D.
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Practice Location: 730 Welch Rd, Palo Alto, CA 94304
Phone: 650-497-8000    
Dr. Mark Bigder, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 213 Quarry Road, Stanford Neuroscience Health Center, Palo Alto, CA 94304
Phone: 650-723-6469    Fax: 650-320-9443
Dr. Mark Krel, D.O.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 213 Quarry Rd, Palo Alto, CA 94304
Phone: 818-421-0130    

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.