Jeffrey Stewart Hallett, MD - Medicare Allergy & Immunology in Round Rock, TX

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Jeffrey Stewart Hallett, MD is a medicare enrolled "Allergy & Immunology" physician in Round Rock, Texas. His current practice location is 16000 Park Valley Drive, Suite #130, Round Rock, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 244-3422.

Jeffrey Stewart Hallett is licensed to practice in Texas (license number H1588) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1275683823.

Contact Information

Jeffrey Stewart Hallett, MD
16000 Park Valley Drive, Suite #130,
Round Rock, TX 78681-4009
(512) 244-3422
(512) 255-6829

Map and Direction




Physician's Profile

Full NameJeffrey Stewart Hallett
GenderMale
SpecialityAllergy & Immunology
Location16000 Park Valley Drive, Round Rock, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1275683823
  • Provider Enumeration Date: 01/12/2007
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7911047717
  • Enrollment ID: I20091229000226

Medical Identifiers

Medical identifiers for Jeffrey Stewart Hallett such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275683823NPI-NPPES
00DU91OtherTXBLUE CROSS BLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology H1588 (Texas)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. Jeffrey Stewart Hallett allows following entities to bill medicare on his behalf.
Entity NameCertified Allergy & Asthma Of San Antonio Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124056239
PECOS PAC ID: 9638209505
Enrollment ID: O20100621000172

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. Jeffrey Stewart Hallett 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
Jeffrey Stewart Hallett, MD
16000 Park Valley Drive, Suite #130,
Round Rock, TX 78681-4009

Ph: (512) 244-3422		Jeffrey Stewart Hallett, MD
16000 Park Valley Drive, Suite #130,
Round Rock, TX 78681-4009

Ph: (512) 244-3422

Reviews and Comments


Allergy & Immunology Doctors in Round Rock, TX

Dr. Anthony Robert Henry, M.D.
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Phone: 254-690-2800    Fax: 254-690-5401
Dr. Sumit Bose, M.D.
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Dr. Grace P Tamesis, M.D., MPH
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Practice Location: 16010 Park Valley Dr, Suite 300, Round Rock, TX 78681
Phone: 303-601-5399    
Dr. Brian Terry Miller, D.O.
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Phone: 254-690-2800    Fax: 254-690-5401
Nikki Patel, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 303 E Main St, Round Rock, TX 78664
Phone: 512-732-2774    Fax: 605-312-3001

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.