Ricardo Da Roza, MD - Medicare Internal Medicine in Castro Valley, CA

Ricardo Da Roza, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Castro Valley, California. His current practice location is 20055 Lake Chabot Rd, #130, Castro Valley, California. You can reach out to his office (for appointments etc.) via phone at (510) 888-0657.

Ricardo Da Roza is licensed to practice in California (license number C41444) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1184669285.

Contact Information

Ricardo Da Roza, MD
20055 Lake Chabot Rd, #130,
Castro Valley, CA 94546-5331
(510) 888-0657
(510) 886-4532

Map and Direction




Physician's Profile

Full NameRicardo Da Roza
GenderMale
SpecialityInternal Medicine - Medical Oncology
Location20055 Lake Chabot Rd, Castro Valley, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1184669285
  • Provider Enumeration Date: 06/20/2006
  • Last Update Date: 10/01/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6305825076
  • Enrollment ID: I20040716000637

Medical Identifiers

Medical identifiers for Ricardo Da Roza such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184669285NPI-NPPES
00C414440MedicaidCA
110041014OtherRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0000XInternal Medicine - Hematology C41444 (California)Secondary
207RX0202XInternal Medicine - Medical Oncology C41444 (California)Primary

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. Ricardo Da Roza allows following entities to bill medicare on his behalf.
Entity NameUniversity Healthcare Alliance
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760531198
PECOS PAC ID: 6305748799
Enrollment ID: O20040126000292

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. Ricardo Da Roza 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
Ricardo Da Roza, MD
5725 W Las Positas Blvd, #100,
Pleasanton, CA 94588-4054

Ph: (925) 734-8130
Ricardo Da Roza, MD
20055 Lake Chabot Rd, #130,
Castro Valley, CA 94546-5331

Ph: (510) 888-0657

Reviews and Comments


Internal Medicine Doctors in Castro Valley, CA

Dr. Oluwaseyi Segun Balasire, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
Helen Woohee Yang, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20642 John Dr, Castro Valley, CA 94546
Phone: 510-806-2100    Fax: 323-226-2657
Sarah Noonberg, MD, PHD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-889-5082    
Dr. Moyra N Rasheed, M.B.B.S
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
Vishal Ghevariya, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 19845 Lake Chabot Rd, Ste 104, Castro Valley, CA 94546
Phone: 510-537-4415    Fax: 510-537-8265
Omar Faisal Saleem, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
Stefani Wedl, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-889-5082    

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.