Ruby Sun, - Medicare Certified Registered Nurse Anesthetist (crna) in San Leandro, CA

Ruby Sun, is a medicare enrolled "Nurse Anesthetist, Certified Registered" in San Leandro, California. She graduated from nursing school in 2014 and has 10 years of diverse experience with area of expertise as Certified Registered Nurse Anesthetist (crna). She is a member of the group practice Permanente Medical Group Inc and her current practice location is 2500 Merced St, San Leandro, California. You can reach out to her office (for appointments etc.) via phone at (510) 454-1000.

Ruby Sun is licensed to practice in California (license number 95000261) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1639568322.

Contact Information

Ruby Sun,
2500 Merced St,
San Leandro, CA 94577-4201
(510) 454-1000
Not Available

Map and Direction




Provider's Profile

Full NameRuby Sun
GenderFemale
SpecialityCertified Registered Nurse Anesthetist (crna)
Experience10 Years
Location2500 Merced St, San Leandro, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ruby Sun graduated from nursing school in 2014
  NPI Data:
  • NPI Number: 1639568322
  • Provider Enumeration Date: 01/18/2015
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1456630912
  • Enrollment ID: I20161128001727

Medical Identifiers

Medical identifiers for Ruby Sun such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639568322NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
367500000XNurse Anesthetist, Certified Registered 95000261 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Ruby Sun allows following entities to bill medicare on her 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. Ruby Sun 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
Ruby Sun,
38933 Canyon Heights Dr,
Fremont, CA 94536-4442

Ph: (510) 552-7161
Ruby Sun,
2500 Merced St,
San Leandro, CA 94577-4201

Ph: (510) 454-1000

Reviews and Comments


Nurse Anesthetist, Certified Registered Nurses in San Leandro, CA

Jennifer Lim,
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Joseph J Janakes, CRNA
Nurse Anesthetist - CR
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St, Department Of Anesthesia, San Leandro, CA 94577
Phone: 510-454-2070    
Steven Bazan,
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-2070    
Franchesca Maria Cascone, CRNA
Nurse Anesthetist - CR
Medicare: Not Enrolled in Medicare
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-2070    
Belinda Will, CRNA
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-2070    
Mrs. Jaclyn G Cho, CRNA
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Mrs. Katherine T La, CRNA
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-2070    

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.