La Vista Medical Center - Medicare Primary Care in Diamond Bar, CA

La Vista Medical Center is a medicare enrolled primary clinic (Internal Medicine) in Diamond Bar, California. The current practice location for La Vista Medical Center is 1111 Grand Ave Ste L, Diamond Bar, California. For appointments, you can reach them via phone at (909) 551-0205. The mailing address for La Vista Medical Center is 11660 Church St Apt 166, Rancho Cucamonga, California and phone number is (586) 382-5390.

La Vista Medical Center is licensed to practice in (license number ). The clinic also participates in the medicare program and its NPI number is 1023831682. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (909) 551-0205.

Contact Information

La Vista Medical Center
1111 Grand Ave Ste L
Diamond Bar
CA 91765-4172
(909) 551-0205
(909) 345-7084

Map and Direction


Primary Care Clinic Profile

Full NameLa Vista Medical Center
SpecialityInternal Medicine
Location1111 Grand Ave Ste L, Diamond Bar, California
Authorized Official Name and PositionAlaa Hajal (OWNER)
Authorized Official Contact5863825390
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
La Vista Medical Center
11660 Church St Apt 166
Rancho Cucamonga
CA 91730-8927

Ph: (586) 382-5390
La Vista Medical Center
1111 Grand Ave Ste L
Diamond Bar
CA 91765-4172

Ph: (909) 551-0205

NPI Details:

NPI Number1023831682
Provider Enumeration Date11/04/2024
Last Update Date03/26/2025
Certification Date03/26/2025

Medicare PECOS Information:

Medicare PECOS PAC ID0840793808
Medicare Enrollment IDO20250915001008

Medical Identifiers

Medical identifiers for La Vista Medical Center such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023831682NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine ()Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. La Vista Medical Center acts as a billing entity for following providers:
Provider NameHuda S Khaleel
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1386907509
PECOS PAC ID: 4587944806
Enrollment ID: I20161202001086
Provider NameAlaa Hajal
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1669829032
PECOS PAC ID: 2769775352
Enrollment ID: I20200528000739

Reviews and Comments

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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).

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.