Michael James Leininger Jr, MSN, RN, AGACNP-BC - Medicare Nurse Practitioner in San Francisco, CA

Michael James Leininger Jr, MSN, RN, AGACNP-BC is a medicare enrolled "Nurse Practitioner - Critical Care Medicine" in San Francisco, California. He graduated from nursing school in 2013 and has 11 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Bass Medical Group and his current practice location is 3555 Cesar Chavez, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 600-6000.

Michael James Leininger Jr is licensed to practice in California (license number 95015990) 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 1174178933.

Contact Information

Michael James Leininger Jr, MSN, RN, AGACNP-BC
3555 Cesar Chavez,
San Francisco, CA 94110-4403
(415) 600-6000
Not Available

Map and Direction




Provider's Profile

Full NameMichael James Leininger Jr
GenderMale
SpecialityNurse Practitioner
Experience11 Years
Location3555 Cesar Chavez, San Francisco, 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:
  • Michael James Leininger Jr graduated from nursing school in 2013
  NPI Data:
  • NPI Number: 1174178933
  • Provider Enumeration Date: 08/07/2019
  • Last Update Date: 11/19/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2567855968
  • Enrollment ID: I20220208000391

Medical Identifiers

Medical identifiers for Michael James Leininger Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174178933NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WC0200XRegistered Nurse - Critical Care Medicine 95043215 (California)Secondary
163WE0003XRegistered Nurse - Emergency 95043215 (California)Secondary
363LC0200XNurse Practitioner - Critical Care Medicine 95015990 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bass Medical Group9032111281309

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. Michael James Leininger Jr allows following entities to bill medicare on his behalf.
Entity NameSutter Bay Hospitals
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740413798
PECOS PAC ID: 3476506528
Enrollment ID: O20050517000547
Entity NameBass Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174253405
PECOS PAC ID: 9032111281
Enrollment ID: O20070201000181

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. Michael James Leininger 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
Michael James Leininger Jr, MSN, RN, AGACNP-BC
538 Merritt Ave,
Oakland, CA 94610-5113

Ph: (408) 710-6377
Michael James Leininger Jr, MSN, RN, AGACNP-BC
3555 Cesar Chavez,
San Francisco, CA 94110-4403

Ph: (415) 600-6000

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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