Margie C. Baker, ARNP
Nurse Practitioner · Louisville, KY
Margie C. Baker, ARNP is a nurse practitioner with a practice address in Louisville, Kentucky, and NPI 1861506040, issued on Aug 18, 2006. Check the license (Kentucky 4404P, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margie C. Baker
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4404P KY
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Bluegrass Ave, Louisville, KY 40215
- Phone
- (502) 361-7403
- Enumerated
- Aug 18, 2006
- Record last updated
- Mar 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid IDs
- 200802820 IN
78014016 KY - Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,830 in Kentucky → Look up another NPI →
Also registered at 1850 Bluegrass Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margie C. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 4404PCheck 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 nurse practitioner in 2024
12 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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.
Margie C. Baker among 1,830 nurse practitioner records in Kentucky
Margie C. Baker, ARNP is one of 1,830 nurse practitioner records with a practice address in Kentucky. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 80% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
451 nurse practitioner records list a practice address in Louisville
They are 451 of the 21,891 NPPES records with a practice address in Louisville, and 1,830 nurse practitioner records in Kentucky.
All 1,830 in Kentucky → Every provider in Louisville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Cathy Collier, APRNLouisville, KY 402151083886907
- Rhonda Corbett, APRN-BC, FNP-CLouisville, KY 402151386694685
- Shelby HodgkinsLouisville, KY 402151417897588
- Jennifer Howard, APRNLouisville, KY 402151720699358
- Erin Keller, APRN, FNP-BC, CCRNLouisville, KY 402151528624905
- Tracie Nations, APRN, FNP,CENLouisville, KY 402151639428642
- Andrea Porter, APRNLouisville, KY 402151043504491
- Lori Rogers, ARNPLouisville, KY 402151205142387
Common questions
What is Margie C. Baker, ARNP's NPI number?
Margie C. Baker, ARNP's National Provider Identifier (NPI) is 1861506040, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margie C. Baker, ARNP located?
The NPPES record lists a practice address at 1850 Bluegrass Ave, Louisville, KY, 40215. Phone: (502) 361-7403. Providers update this record themselves, so call before visiting.
How can I verify Margie C. Baker, ARNP's license?
NPPES lists Kentucky license number 4404P, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does Margie C. Baker, ARNP prescribe under Medicare Part D?
In 2024, Margie C. Baker, ARNP had 12 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.