James C.s. Hahn, M.d. , Inc. - Medicare Primary Care in Los Angeles, CA

James C.s. Hahn, M.d. , Inc. is a medicare enrolled primary clinic (Internal Medicine) in Los Angeles, California. The current practice location for James C.s. Hahn, M.d. , Inc. is 1245 Wilshire Blvd Ste 790, Los Angeles, California. For appointments, you can reach them via phone at (323) 735-1111. The mailing address for James C.s. Hahn, M.d. , Inc. is 1245 Wilshire Blvd Ste 790, Los Angeles, California and phone number is (323) 735-1111.

James C.s. Hahn, M.d. , Inc. is licensed to practice in * (Not Available) (license number ). The clinic also participates in the medicare program and its NPI number is 1023893435. 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 (323) 735-1111.

Contact Information

James C.s. Hahn, M.d. , Inc.
1245 Wilshire Blvd Ste 790
Los Angeles
CA 90017-4881
(323) 735-1111
(323) 735-3306

Map and Direction


Primary Care Clinic Profile

Full NameJames C.s. Hahn, M.d. , Inc.
SpecialityInternal Medicine
Location1245 Wilshire Blvd Ste 790, Los Angeles, California
Authorized Official Name and PositionJames Hahn (MD)
Authorized Official Contact2138105050
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
James C.s. Hahn, M.d. , Inc.
1245 Wilshire Blvd Ste 790
Los Angeles
CA 90017-4881

Ph: (323) 735-1111
James C.s. Hahn, M.d. , Inc.
1245 Wilshire Blvd Ste 790
Los Angeles
CA 90017-4881

Ph: (323) 735-1111

NPI Details:

NPI Number1023893435
Provider Enumeration Date08/25/2023
Last Update Date10/10/2023

Medicare PECOS Information:

Medicare PECOS PAC ID8628415197
Medicare Enrollment IDO20240319003375

Medical Identifiers

Medical identifiers for James C.s. Hahn, M.d. , Inc. such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023893435NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine (* (Not Available))Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. James C.s. Hahn, M.d. , Inc. acts as a billing entity for following providers:
Provider NameJames C.s. Hahn
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1033293634
PECOS PAC ID: 4587822382
Enrollment ID: I20120224000663
Provider NameJa-yoon U Choe
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1174150973
PECOS PAC ID: 5890107908
Enrollment ID: I20240416004239

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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.