Sang Hoon Ahn Medical Group, Inc. - Primary Care in Fullerton, CA

Sang Hoon Ahn Medical Group, Inc. is a primary clinic (Internal Medicine) in Fullerton, California. The current practice location for Sang Hoon Ahn Medical Group, Inc. is 1950 Sunny Crest Dr Ste 2800, Fullerton, California. For appointments, you can reach them via phone at (657) 888-9919. The mailing address for Sang Hoon Ahn Medical Group, Inc. is 1520 Hollydale Dr, Fullerton, California and phone number is (213) 245-0788.

Sang Hoon Ahn Medical Group, Inc. is licensed to practice in * (Not Available) (license number ) and its NPI number is 1720931736. This medical practice does not participate in medicare program and thus may not accept your medicare insurance. You may check if they accept your insurance at (657) 888-9919.

Contact Information

Sang Hoon Ahn Medical Group, Inc.
1950 Sunny Crest Dr Ste 2800
Fullerton
CA 92835-3641
(657) 888-9919
(657) 888-9941

Map and Direction


Primary Care Clinic Profile

Full NameSang Hoon Ahn Medical Group, Inc.
SpecialityInternal Medicine
Location1950 Sunny Crest Dr Ste 2800, Fullerton, California
Authorized Official Name and PositionSang Hoon Ahn (CEO)
Authorized Official Contact2132450788
Accepts Medicare InsuranceThis clinic does not participate in Medicare Program.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sang Hoon Ahn Medical Group, Inc.
1520 Hollydale Dr
Fullerton
CA 92831-1115

Ph: (213) 245-0788
Sang Hoon Ahn Medical Group, Inc.
1950 Sunny Crest Dr Ste 2800
Fullerton
CA 92835-3641

Ph: (657) 888-9919

NPI Details:

NPI Number1720931736
Provider Enumeration Date02/18/2026
Last Update Date02/19/2026

Medical Identifiers

Medical identifiers for Sang Hoon Ahn Medical Group, Inc. such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720931736NPI-NPPES

Medical Taxonomies and Licenses

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

Reviews and Comments


Internal Medicine in Fullerton, CA

Yong Soon Shin Rn Np A Nursing Corporation
Primary Care Clinic
Medicare: Medicare Enrolled
Practice Location: 1817 W Orangethorpe Ave, Fullerton, CA 92833
Phone: 714-449-0911    
Sunny Hills Behavioral Health, Inc.
Primary Care Clinic
Medicare: Not Enrolled in Medicare
Practice Location: 140 E Commonwealth Ave Ste 100, Fullerton, CA 92832
Phone: 714-773-4111    Fax: 714-773-4111
Uma P Rao, Md., Inc
Primary Care Clinic
Medicare: Not Enrolled in Medicare
Practice Location: 1400 N Harbor Blvd, Suite 120, Fullerton, CA 92835
Phone: 714-992-2765    Fax: 714-681-9015
Stems Prp, Inc
Primary Care Clinic
Medicare: Medicare Enrolled
Practice Location: 626 W Commonwealth Ave, Fullerton, CA 92832
Phone: 714-389-7000    
Beautywoman Acupuncture Clinic Inc
Primary Care Clinic
Medicare: Not Enrolled in Medicare
Practice Location: 951 Starbuck St Ste C, Fullerton, CA 92833
Phone: 714-869-3919    Fax: 714-869-3906
Euil Lim Medical Corporation
Primary Care Clinic
Medicare: Not Enrolled in Medicare
Practice Location: 2016 Ward St, Fullerton, CA 92833
Phone: 714-537-5160    
Rajiv Ishwarlal Bhavsar, M.d., A Medical Corporation
Primary Care Clinic
Medicare: Medicare Enrolled
Practice Location: 1321 N Harbor Blvd Ste 302, Fullerton, CA 92835
Phone: 714-441-0591    Fax: 714-441-0594

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.