Woosung Ahn, M.d., Inc - Medicare Primary Care in Lakewood, CA

Woosung Ahn, M.d., Inc is a medicare enrolled primary clinic (Internal Medicine) in Lakewood, California. The current practice location for Woosung Ahn, M.d., Inc is 20145 Pioneer Blvd, Lakewood, California. For appointments, you can reach them via phone at (562) 916-5020. The mailing address for Woosung Ahn, M.d., Inc is 20145 Pioneer Blvd, Lakewood, California and phone number is (562) 916-5020.

Woosung Ahn, M.d., Inc is licensed to practice in California (license number A51408). The clinic also participates in the medicare program and its NPI number is 1285766253. 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 (562) 916-5020.

Contact Information

Woosung Ahn, M.d., Inc
20145 Pioneer Blvd
Lakewood
CA 90715-1051
(562) 916-5020
(562) 916-5022

Map and Direction


Primary Care Clinic Profile

Full NameWoosung Ahn, M.d., Inc
SpecialityInternal Medicine
Location20145 Pioneer Blvd, Lakewood, California
Authorized Official Name and PositionWoosung Ahn (PRESIDENT)
Authorized Official Contact5629165020
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Woosung Ahn, M.d., Inc
20145 Pioneer Blvd
Lakewood
CA 90715-1051

Ph: (562) 916-5020
Woosung Ahn, M.d., Inc
20145 Pioneer Blvd
Lakewood
CA 90715-1051

Ph: (562) 916-5020

NPI Details:

NPI Number1285766253
Provider Enumeration Date03/12/2007
Last Update Date06/21/2018

Medicare PECOS Information:

Medicare PECOS PAC ID3678611647
Medicare Enrollment IDO20091111000587

Medical Identifiers

Medical identifiers for Woosung Ahn, M.d., Inc such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285766253NPI-NPPES
00A514080MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A51408 (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. Woosung Ahn, M.d., Inc acts as a billing entity for following providers:
Provider NameWoo S Ahn
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1396807806
PECOS PAC ID: 6002851268
Enrollment ID: I20091111000572

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.