W L Gregory Siefert, MD - Medicare Anesthesiology in Louisville, KY

W L Gregory Siefert, MD is a medicare enrolled "Anesthesiology - Pain Medicine" physician in Louisville, Kentucky. His current practice location is 5129 Dixie Hwy Ste 201, Louisville, Kentucky. You can reach out to his office (for appointments etc.) via phone at (502) 430-6223.

W L Gregory Siefert is licensed to practice in Kentucky (license number 46903) 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 1437188521.

Contact Information

W L Gregory Siefert, MD
5129 Dixie Hwy Ste 201,
Louisville, KY 40216-1727
(502) 430-6223
(502) 792-7272

Map and Direction




Physician's Profile

Full NameW L Gregory Siefert
GenderMale
SpecialityAnesthesiology - Pain Medicine
Location5129 Dixie Hwy Ste 201, Louisville, Kentucky
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1437188521
  • Provider Enumeration Date: 07/01/2006
  • Last Update Date: 10/28/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 5092705194
  • Enrollment ID: I20070828001151

Medical Identifiers

Medical identifiers for W L Gregory Siefert such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437188521NPI-NPPES
64087653MedicaidKY
2413338MedicaidOH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 35-044005 (Ohio)Secondary
207LP2900XAnesthesiology - Pain Medicine 46903 (Kentucky)Primary
207LP2900XAnesthesiology - Pain Medicine 35-044005 (Ohio)Secondary

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. W L Gregory Siefert allows following entities to bill medicare on his behalf.
Entity NameAnesthesia And Pain Management Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053600114
PECOS PAC ID: 2769654193
Enrollment ID: O20111007000261
Entity NameImperial Enterprise Of Ohio Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295111318
PECOS PAC ID: 5799081238
Enrollment ID: O20160310000077

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. W L Gregory Siefert 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
W L Gregory Siefert, MD
5129 Dixie Hwy Ste 201,
Louisville, KY 40216-1727

Ph: (502) 430-6223
W L Gregory Siefert, MD
5129 Dixie Hwy Ste 201,
Louisville, KY 40216-1727

Ph: (502) 430-6223

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.

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