Hisako Ohmoto Leung, - Medicare Rheumatology in Pleasanton, CA

Hisako Ohmoto Leung, is a medicare enrolled "Internal Medicine - Rheumatology" physician in Pleasanton, California. She went to Creighton University School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Rheumatology. Her current practice location is 4466 Black Ave, Suite A, Pleasanton, California. You can reach out to her office (for appointments etc.) via phone at (925) 600-8220.

Hisako Ohmoto Leung is licensed to practice in California (license number A73077) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1194826354.

Contact Information

Hisako Ohmoto Leung,
4466 Black Ave, Suite A,
Pleasanton, CA 94566-6143
(925) 600-8220
(925) 600-8221

Map and Direction




Physician's Profile

Full NameHisako Ohmoto Leung
GenderFemale
SpecialityRheumatology
Experience25 Years
Location4466 Black Ave, Pleasanton, California
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Hisako Ohmoto Leung attended and graduated from Creighton University School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1194826354
  • Provider Enumeration Date: 09/26/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7719954635
  • Enrollment ID: I20040910001146

Medical Identifiers

Medical identifiers for Hisako Ohmoto Leung such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194826354NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology A73077 (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. Hisako Ohmoto Leung allows following entities to bill medicare on her behalf.
Entity NameHisako Ohmoto Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952513319
PECOS PAC ID: 0042260218
Enrollment ID: O20050125000995

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. Hisako Ohmoto Leung 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
Hisako Ohmoto Leung,
4466 Black Ave, Suite A,
Pleasanton, CA 94566-6143

Ph: (925) 600-8220
Hisako Ohmoto Leung,
4466 Black Ave, Suite A,
Pleasanton, CA 94566-6143

Ph: (925) 600-8220

Reviews and Comments


Internal Medicine Doctors in Pleasanton, CA

Kavitha Pandy Raj, MD
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Jerome B. Deck Jr., MD
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Practice Location: 5820 Stoneridge Mall Rd, Suite 101, Pleasanton, CA 94588
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Ana Leonor A. Amog, MD
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Phone: 925-847-5000    
Dr. Donald Rice, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1491 Cedarwood Ln, A, Pleasanton, CA 94566
Phone: 925-846-7789    Fax: 925-846-7502
Donald Mang-sum Lai, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 5565 W Las Positas Blvd Ste 150, Pleasanton, CA 94588
Phone: 925-534-6880    

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).

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