Mary Katherine Holstein, MSN-AGACNP - Medicare Nurse Practitioner in Las Vegas, NV

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Mary Katherine Holstein, MSN-AGACNP is a medicare enrolled "Nurse Practitioner - Acute Care" in Las Vegas, Nevada. Her current practice location is 4445 S Eastern Ave Ste 1, Las Vegas, Nevada. You can reach out to her office (for appointments etc.) via phone at (702) 410-5319.

Mary Katherine Holstein is licensed to practice in Nevada (license number 839696) 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 1164196986.

Contact Information

Mary Katherine Holstein, MSN-AGACNP
4445 S Eastern Ave Ste 1,
Las Vegas, NV 89119-7851
(702) 410-5319
(702) 442-1494

Map and Direction




Provider's Profile

Full NameMary Katherine Holstein
GenderFemale
SpecialityNurse Practitioner - Acute Care
Location4445 S Eastern Ave Ste 1, Las Vegas, Nevada
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1164196986
  • Provider Enumeration Date: 08/04/2021
  • Last Update Date: 01/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9032580444
  • Enrollment ID: I20230123001896

Medical Identifiers

Medical identifiers for Mary Katherine Holstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164196986NPI-NPPES
1164196986MedicaidNV

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2100XNurse Practitioner - Acute Care 1048013 (Texas)Secondary
363LA2100XNurse Practitioner - Acute Care 839696 (Nevada)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. Mary Katherine Holstein allows following entities to bill medicare on her behalf.
Entity NameEid Nevada Critical Care Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962712828
PECOS PAC ID: 9537357793
Enrollment ID: O20110103000917
Entity NameComprehensive Infectious Disease Of Nevada
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275102832
PECOS PAC ID: 3375934326
Enrollment ID: O20211229001666

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. Mary Katherine Holstein 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
Mary Katherine Holstein, MSN-AGACNP
4445 S Eastern Ave Ste 1,
Las Vegas, NV 89119-7851

Ph: (702) 410-5319		Mary Katherine Holstein, MSN-AGACNP
4445 S Eastern Ave Ste 1,
Las Vegas, NV 89119-7851

Ph: (702) 410-5319

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.