Jack Leiland Coombs Jr, MD - Medicare Internal Medicine in San Jose, CA

Jack Leiland Coombs Jr, MD is a medicare enrolled "Internal Medicine" physician in San Jose, California. He went to University Of Missouri, Columbia School Of Medicine and graduated in 1969 and has 55 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mark Twain Medical Center and his current practice location is 2505 Samaritan Dr, Ste 302, San Jose, California. You can reach out to his office (for appointments etc.) via phone at (408) 358-3640.

Jack Leiland Coombs Jr is licensed to practice in California (license number G19361) 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 1992763759.

Contact Information

Jack Leiland Coombs Jr, MD
2505 Samaritan Dr, Ste 302,
San Jose, CA 95124-4010
(408) 358-3640
(408) 358-7949

Map and Direction




Physician's Profile

Full NameJack Leiland Coombs Jr
GenderMale
SpecialityInternal Medicine
Experience55 Years
Location2505 Samaritan Dr, San Jose, 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:
  • Jack Leiland Coombs Jr attended and graduated from University Of Missouri, Columbia School Of Medicine in 1969
  NPI Data:
  • NPI Number: 1992763759
  • Provider Enumeration Date: 05/02/2006
  • Last Update Date: 10/24/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8123025780
  • Enrollment ID: I20061025000213

Medical Identifiers

Medical identifiers for Jack Leiland Coombs Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992763759NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G19361 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Iron Point Home Health Care IncFolsom, CAHome health agency
Mark Twain Medical CenterSan andreas, CAHospital
Adventist Health SonoraSonora, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mark Twain Medical Center882007371120

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. Jack Leiland Coombs Jr allows following entities to bill medicare on his behalf.
Entity NameMark Twain Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508968819
PECOS PAC ID: 8820073711
Enrollment ID: O20061006000227

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. Jack Leiland Coombs Jr 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
Jack Leiland Coombs Jr, MD
2505 Samaritan Dr, Ste 302,
San Jose, CA 95124-4010

Ph: (408) 358-3640
Jack Leiland Coombs Jr, MD
2505 Samaritan Dr, Ste 302,
San Jose, CA 95124-4010

Ph: (408) 358-3640

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.