Karen Tinder, NP - Medicare Nurse Practitioner in Lafayette, CA

Karen Tinder, NP is a medicare enrolled "Nurse Practitioner - Family" in Lafayette, California. She graduated from nursing school in 1998 and has 26 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice John Muir Physician Network and her current practice location is 3466 Mt Diablo Blvd Ste C104, Lafayette, California. You can reach out to her office (for appointments etc.) via phone at (925) 674-2609.

Karen Tinder is licensed to practice in California (license number 488386) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1225442080.

Contact Information

Karen Tinder, NP
3466 Mt Diablo Blvd Ste C104,
Lafayette, CA 94549
(925) 674-2609
(925) 674-2211

Map and Direction




Provider's Profile

Full NameKaren Tinder
GenderFemale
SpecialityNurse Practitioner
Experience26 Years
Location3466 Mt Diablo Blvd Ste C104, Lafayette, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Karen Tinder graduated from nursing school in 1998
  NPI Data:
  • NPI Number: 1225442080
  • Provider Enumeration Date: 06/19/2014
  • Last Update Date: 04/19/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8325371503
  • Enrollment ID: I20190603000617

Medical Identifiers

Medical identifiers for Karen Tinder such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225442080NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 488386 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital
John Muir Medical Center - Concord CampusConcord, CAHospital
San Ramon Regional Medical CenterSan ramon, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
John Muir Physician Network6608789813464

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. Karen Tinder allows following entities to bill medicare on her behalf.
Entity NameJohn Muir Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841407665
PECOS PAC ID: 6608789813
Enrollment ID: O20031226000143
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. Karen Tinder 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
Karen Tinder, NP
1450 Treat Blvd # 300,
Walnut Creek, CA 94597-2168

Ph: (925) 952-2888
Karen Tinder, NP
3466 Mt Diablo Blvd Ste C104,
Lafayette, CA 94549

Ph: (925) 674-2609

Reviews and Comments


Nurse Practitioner Nurses in Lafayette, CA

Nicole Long, FNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 902 Carl Rd, Lafayette, CA 94549
Phone: 510-333-5966    Fax: 925-403-7736
Mrs. Suzanne M Sommer, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 911 Moraga Rd, #101, Lafayette, CA 94549
Phone: 925-962-9120    Fax: 925-962-9122
Elizabeth Anne Summerhayes, R.N.,N.P.
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Medicare: Not Enrolled in Medicare
Practice Location: 3542 Oconner Dr, Lafayette, CA 94549
Phone: 408-315-9738    
Richard Stoykovich, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 304 Willoughby Ct, Lafayette, CA 94549
Phone: 925-963-4574    
Bridget Nelson,
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 3466 Mt Diablo Blvd, Suite C100, Lafayette, CA 94549
Phone: 925-284-1210    
Scott Gwilliam, FNP-BC
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 3 Burr Ct, Lafayette, CA 94549
Phone: 801-367-1318    

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.