Shannon Mcallister Gregorek, NP-C - Medicare Nurse Practitioner in Houston, TX

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Shannon Mcallister Gregorek, NP-C is a medicare enrolled "Nurse Practitioner - Family" in Houston, Texas. She graduated from nursing school in 2004 and has 20 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Privia Medical Group Gulf Coast Pllc and her current practice location is 9539 Huffmeister Rd, Houston, Texas. You can reach out to her office (for appointments etc.) via phone at (832) 593-8100.

Shannon Mcallister Gregorek is licensed to practice in Texas (license number 671422) 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 1790929099.

Contact Information

Shannon Mcallister Gregorek, NP-C
9539 Huffmeister Rd,
Houston, TX 77095-2856
(832) 593-8100
(832) 593-8105

Map and Direction




Provider's Profile

Full NameShannon Mcallister Gregorek
GenderFemale
SpecialityNurse Practitioner
Experience20 Years
Location9539 Huffmeister Rd, Houston, Texas
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:
  • Shannon Mcallister Gregorek graduated from nursing school in 2004
  NPI Data:
  • NPI Number: 1790929099
  • Provider Enumeration Date: 04/30/2009
  • Last Update Date: 05/12/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 6800942137
  • Enrollment ID: I20090928000664

Medical Identifiers

Medical identifiers for Shannon Mcallister Gregorek such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790929099NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 671422 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Privia Medical Group Gulf Coast Pllc4688999022397

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. Shannon Mcallister Gregorek allows following entities to bill medicare on her behalf.
Entity NamePrivia Medical Group Gulf Coast Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578969465
PECOS PAC ID: 4688999022
Enrollment ID: O20150206000763

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. Shannon Mcallister Gregorek 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
Shannon Mcallister Gregorek, NP-C
9539 Huffmeister Rd,
Houston, TX 77095-2856

Ph: (832) 593-8100		Shannon Mcallister Gregorek, NP-C
9539 Huffmeister Rd,
Houston, TX 77095-2856

Ph: (832) 593-8100

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.