Jon Meredith Greif, DO - Surgery in Oakland, CA

Jon Meredith Greif, DO is a Surgery physician based in Oakland, California. Jon Meredith Greif is licensed to practice in California (license number 20A4984) and his current practice location is 3300 Webster St, Suite 212, Oakland, California. He can be reached at his office (for appointments etc.) via phone at (510) 835-9900.

NPI number for Jon Meredith Greif is 1306958095 and his current mailing address is 3300 Webster St, Suite 212, Oakland, California. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1306958095.

Contact Information

Jon Meredith Greif, DO
3300 Webster St, Suite 212,
Oakland, CA 94609-3117
(510) 835-9900
(510) 835-9909

Map and Direction




Physician's Profile

Full NameJon Meredith Greif
GenderMale
SpecialitySurgery
Location3300 Webster St, Oakland, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1306958095
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 03/07/2023

Medical Identifiers

Medical identifiers for Jon Meredith Greif such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306958095NPI-NPPES
20A4984OtherCAMEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 20A4984 (California)Primary

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. Jon Meredith Greif is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Jon Meredith Greif, DO
3300 Webster St, Suite 212,
Oakland, CA 94609-3117

Ph: (510) 835-9900
Jon Meredith Greif, DO
3300 Webster St, Suite 212,
Oakland, CA 94609-3117

Ph: (510) 835-9900

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).

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