Dr Won-seok Jo, MD - Medicare Gastroenterology in San Bernardino, CA

Dr Won-seok Jo, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in San Bernardino, California. He went to University Of California, San Diego School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 424 E Vanderbilt Way Ste B, San Bernardino, California. You can reach out to his office (for appointments etc.) via phone at (909) 796-0363.

Dr Won-seok Jo is licensed to practice in California (license number A91260) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1245215144.

Contact Information

Dr Won-seok Jo, MD
424 E Vanderbilt Way Ste B,
San Bernardino, CA 92408-3552
(909) 796-0363
(909) 255-7292

Map and Direction




Physician's Profile

Full NameDr Won-seok Jo
GenderMale
SpecialityGastroenterology
Experience25 Years
Location424 E Vanderbilt Way Ste B, San Bernardino, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Won-seok Jo attended and graduated from University Of California, San Diego School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1245215144
  • Provider Enumeration Date: 12/13/2005
  • Last Update Date: 10/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2961448667
  • Enrollment ID: I20050705000356

Medical Identifiers

Medical identifiers for Dr Won-seok Jo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245215144NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A91260 (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 Won-seok Jo allows following entities to bill medicare on his behalf.
Entity NameWon Jo, Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235354408
PECOS PAC ID: 9931261948
Enrollment ID: O20081230000307

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 Won-seok Jo 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 Won-seok Jo, MD
424 E Vanderbilt Way Ste B,
San Bernardino, CA 92408-3552

Ph: (909) 796-0363
Dr Won-seok Jo, MD
424 E Vanderbilt Way Ste B,
San Bernardino, CA 92408-3552

Ph: (909) 796-0363

Reviews and Comments


Internal Medicine Doctors in San Bernardino, CA

Dr. Richard James Moyer, M.D.
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Phone: 909-886-5158    Fax: 909-883-4318
Dr. Hai Ngoc Dao, M.D.
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Practice Location: 1700 N Waterman Ave, San Bernardino, CA 92404
Phone: 909-883-8611    Fax: 909-881-5707
Sami Barham Nazzal, M.D.
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Practice Location: 399 E Highland Ave, Suite 307, San Bernardino, CA 92404
Phone: 909-881-7400    Fax: 909-881-5217
Nooshin Salehi, MD
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Medicare: Medicare Enrolled
Practice Location: 565 N Mount Vernon Ave, San Bernardino, CA 92411
Phone: 909-884-9091    Fax: 909-383-7013
Mr. Nicolas Nassar, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 406 E Vanderbilt Way, San Bernardino, CA 92408
Phone: 909-886-1600    Fax: 909-866-7788
Dr. Mohamad Kurani, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2101 N Waterman Ave, San Bernardino, CA 92404
Phone: 909-881-4520    
Dr. Molara Nnenna Alexis, M.D
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2101 N Waterman Ave, San Bernardino, CA 92404
Phone: 909-881-4520    

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.