Mrs Karen Alexandra Greenhaw, FNP - Medicare Clinical Nurse Specialist in Penn Valley, CA

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Mrs Karen Alexandra Greenhaw, FNP is a medicare enrolled "Clinical Nurse Specialist - Family Health" in Penn Valley, California. Her current practice location is 11400 Pleasant Valley Rd, Penn Valley, California. You can reach out to her office (for appointments etc.) via phone at (530) 432-7023.

Mrs Karen Alexandra Greenhaw is licensed to practice in California (license number 19916) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1649548686.

Contact Information

Mrs Karen Alexandra Greenhaw, FNP
11400 Pleasant Valley Rd,
Penn Valley, CA 95946-9001
(530) 432-7023
Not Available

Map and Direction




Provider's Profile

Full NameMrs Karen Alexandra Greenhaw
GenderFemale
SpecialityClinical Nurse Specialist - Family Health
Location11400 Pleasant Valley Rd, Penn Valley, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1649548686
  • Provider Enumeration Date: 12/06/2011
  • Last Update Date: 02/26/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4981867900
  • Enrollment ID: I20120531000179

Medical Identifiers

Medical identifiers for Mrs Karen Alexandra Greenhaw such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649548686NPI-NPPES
CA121918MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WG0000XRegistered Nurse - General Practice 19916 (California)Secondary
364SF0001XClinical Nurse Specialist - Family Health 19916 (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. Mrs Karen Alexandra Greenhaw allows following entities to bill medicare on her behalf.
Entity NameMarshall Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962506097
PECOS PAC ID: 7517875859
Enrollment ID: O20031208001095
Entity NameKali S Eswaran Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538294822
PECOS PAC ID: 0941242697
Enrollment ID: O20050524000381
Entity NameSierra Nevada Primary Care Physicians A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427072008
PECOS PAC ID: 8527000207
Enrollment ID: O20050607000482

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. Mrs Karen Alexandra Greenhaw 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
Mrs Karen Alexandra Greenhaw, FNP
Po Box 459001,
Grass Valley, CA 95945-9101

Ph: (530) 432-7023		Mrs Karen Alexandra Greenhaw, FNP
11400 Pleasant Valley Rd,
Penn Valley, CA 95946-9001

Ph: (530) 432-7023

Reviews and Comments


Clinical Nurse Specialist Nurses in Penn Valley, CA


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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