Dr David Masao Hirota, MD - Medicare Internal Medicine in Ontario, CA

Dr David Masao Hirota, MD is a medicare enrolled "Internal Medicine" physician in Ontario, California. His current practice location is 3401 Centre Lake Dr Ste 512, Ontario, California. You can reach out to his office (for appointments etc.) via phone at (909) 566-0445.

Dr David Masao Hirota is licensed to practice in California (license number A065105) 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 1699735191.

Contact Information

Dr David Masao Hirota, MD
3401 Centre Lake Dr Ste 512,
Ontario, CA 91761-1201
(909) 566-0445
Not Available

Map and Direction




Physician's Profile

Full NameDr David Masao Hirota
GenderMale
SpecialityInternal Medicine
Location3401 Centre Lake Dr Ste 512, Ontario, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1699735191
  • Provider Enumeration Date: 03/27/2006
  • Last Update Date: 10/24/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4688662307
  • Enrollment ID: I20040503000881

Medical Identifiers

Medical identifiers for Dr David Masao Hirota such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699735191NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A065105 (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. Dr David Masao Hirota allows following entities to bill medicare on his behalf.
Entity NameHealthcare Partners Affiliates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659312593
PECOS PAC ID: 7315842002
Enrollment ID: O20031204001258
Entity NameLandmark Medical Of California Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457728669
PECOS PAC ID: 1951603620
Enrollment ID: O20160112002458

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. Dr David Masao Hirota 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
Dr David Masao Hirota, MD
2699 Atlantic Ave,
Long Beach, CA 90806-2710

Ph: (562) 426-3333
Dr David Masao Hirota, MD
3401 Centre Lake Dr Ste 512,
Ontario, CA 91761-1201

Ph: (909) 566-0445

Reviews and Comments


Internal Medicine Doctors in Ontario, CA

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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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