W. L. Gregory Siefert, M.D.
Pain Medicine (Anesthesiology) Physician · Louisville, KY
W. L. Gregory Siefert, M.D. is a pain medicine (anesthesiology) physician with a practice address in Louisville, Kentucky, and NPI 1437188521, issued on Jul 1, 2006. Check the license (Kentucky 46903, as entered in NPPES) on the Kentucky Board of Medical Licensure; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- W. L. Gregory Siefert
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- 46903 KY
35-044005 OH
Self-reported in NPPES; status is on the state search - Practice location
- 5129 Dixie Hwy Ste 201, Louisville, KY 40216
- Phone
- (502) 430-6223
- Enumerated
- Jul 1, 2006
- Record last updated
- Oct 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (502) 792-7272
- Medicaid IDs
- 64087653 KY
2413338 OH - Entity
- Type 1 · individual
Also registered at 5129 Dixie Hwy Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Taja Elder, NPNurse Practitioner1053894121
- Lauren EllisFamily Nurse Practitioner1356003107
- Cortney LacefieldNurse Practitioner1841703089
- Daniel Lynch, MDInterventional Pain Medicine Physician1922027705
- Amanda Maum, APRNNurse Practitioner1972113413
Verify W. L. Gregory Siefert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 46903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pain Medicine (Anesthesiology) Physician providers in Kentucky
There are 66 pain medicine (anesthesiology) physician records in Kentucky. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pain medicine (anesthesiology) physician records in Kentucky
- Ezekiel Akande, M.D.Somerset, KY1003859885
- Christopher Anderson, M.D.Elizabethtown, KY1992159040
- Sachin Bahadur, MDGlasgow, KY1023458999
- Darel Barnett, MDLouisville, KY1285776526
- Brooke Bauer, MDLouisville, KY1386088508
- Timothy Beacham, MDLouisville, KY1669670360
- Leon Briggs, MDAshland, KY1255345955
- Timothy Burroughs, M.D.Florence, KY1245557735
- Anjum Bux, M.D.Danville, KY1235162991
- Stuart Cowley, MDLexington, KY1811429756
Common questions
What is W. L. Gregory Siefert, M.D.'s NPI number?
W. L. Gregory Siefert, M.D.'s National Provider Identifier (NPI) is 1437188521, issued on Jul 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is W. L. Gregory Siefert, M.D. located?
The NPPES record lists a practice address at 5129 Dixie Hwy Ste 201, Louisville, KY, 40216. Phone: (502) 430-6223. Providers update this record themselves, so call before visiting.
How can I verify W. L. Gregory Siefert, M.D.'s license?
NPPES lists Kentucky license number 46903, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.