Douglas J. Delafield, MD
Family Medicine Physician · Louisville, KY
Douglas J. Delafield, MD is a family medicine physician with a practice address in Louisville, Kentucky, and NPI 1710929377, issued on Jun 11, 2006. Check the license (Kentucky 28936, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Douglas J. Delafield
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 28936 KY
01039459 IN
Self-reported in NPPES; status is on the state search - Practice location
- 6400 Dutchmans Pkwy, Louisville, KY 40205
- Phone
- (502) 894-2444
- Enumerated
- Jun 11, 2006
- Record last updated
- Aug 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (502) 894-2445
- Medicaid IDs
- 7100026500 KY
100194360 IN - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,968 in Kentucky → Look up another NPI →
Also registered at 6400 Dutchmans Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Douglas J. Delafield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 28936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
37 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Douglas J. Delafield among 1,968 family medicine physician records in Kentucky
Douglas J. Delafield, MD is one of 1,968 family medicine physician records with a practice address in Kentucky. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 50% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
344 family medicine physician records list a practice address in Louisville
They are 344 of the 21,891 NPPES records with a practice address in Louisville, and 1,968 family medicine physician records in Kentucky.
All 1,968 in Kentucky → Every provider in Louisville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Paul Bricker, MDLouisville, KY 402051013398841
- Rachel Busse, MDLouisville, KY 402051972703379
- Lauren Cole, DOLouisville, KY 402051467192625
- Dana Dougherty, MDLouisville, KY 402051619991890
- Stephen Dreisbach, MDLouisville, KY 402051730205063
- Michael Gaffney, MDLouisville, KY 402051013911809
- Catherine Hammond, MDLouisville, KY 402051568529881
- Hennah Hashmi, M.D.Louisville, KY 402051073824710
Common questions
What is Douglas J. Delafield, MD's NPI number?
Douglas J. Delafield, MD's National Provider Identifier (NPI) is 1710929377, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas J. Delafield, MD located?
The NPPES record lists a practice address at 6400 Dutchmans Pkwy, Louisville, KY, 40205. Phone: (502) 894-2444. Providers update this record themselves, so call before visiting.
How can I verify Douglas J. Delafield, MD's license?
NPPES lists Kentucky license number 28936, 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.
How much does Douglas J. Delafield, MD prescribe under Medicare Part D?
In 2024, Douglas J. Delafield, MD had 37 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.