NPPES file of Aug 9, 2026

Gregory K. Parker, AGPCNP

Gerontology Nurse Practitioner · Louisville, KY

Gregory K. Parker, AGPCNP is a gerontology nurse practitioner with a practice address in Louisville, Kentucky, and NPI 1548770175, issued on Oct 10, 2017. Check the license (Kentucky 3011789, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548770175
Name
Gregory K. Parker
Credential
AGPCNP
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
3011789 KY
71010192A IN
Self-reported in NPPES; status is on the state search
Practice location
101 S 5TH St Ste 2500, Louisville, KY 40202
Phone
(574) 546-1900
Enumerated
Oct 10, 2017
Record last updated
Jul 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(574) 546-1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest gerontology nurse practitioner records → All 106 in Kentucky → Look up another NPI →

Also registered at 101 S 5TH St Ste 2500

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lee PennClinical Psychologist1437763018
  2. Andrew Pennington, LCSWClinical Social Worker1689176166

Verify Gregory K. Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
    Search for license 3011789    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Kentucky license search

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97% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

40 Medicare Part D claims, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gregory Parker40
  2. Specialty average1,369

Most prescribed

  1. Fluphenazine Hcl26 claims
  2. Trazodone Hcl14 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.

Gregory K. Parker among 106 gerontology nurse practitioner records in Kentucky

Gregory K. Parker, AGPCNP is one of 106 gerontology nurse practitioner records with a practice address in Kentucky. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 27% of them.

  • NPI issued2017 · 27% of these records are older, 64% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2020 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Kentucky

There are 106 gerontology nurse practitioner records in Kentucky.

All 106 in Kentucky → Every provider in Louisville → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Misti Alsop, APRNLouisville, KY 402021578152815
  2. Devan Costelle, RN, APRN, AGACNP-BCLouisville, KY 402021962055319
  3. April Frierson, APRNLouisville, KY 402021982098547
  4. Crystal Frye, APRNLouisville, KY 402021174363568
  5. Ashley HigdonLouisville, KY 402021194318766
  6. Nina Jankoski, APRN, AGACNPLouisville, KY 402021982342879
  7. Brent Kleier, AG-ACNP-BCLouisville, KY 402021689342974
  8. Meghan Logsdon, APRNLouisville, KY 402021730942905

Common questions

What is Gregory K. Parker, AGPCNP's NPI number?

Gregory K. Parker, AGPCNP's National Provider Identifier (NPI) is 1548770175, issued on Oct 10, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Gregory K. Parker, AGPCNP located?

The NPPES record lists a practice address at 101 S 5TH St Ste 2500, Louisville, KY, 40202. Phone: (574) 546-1900. Providers update this record themselves, so call before visiting.

How can I verify Gregory K. Parker, AGPCNP's license?

NPPES lists Kentucky license number 3011789, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory K. Parker, AGPCNP prescribe under Medicare Part D?

In 2024, Gregory K. Parker, AGPCNP had 40 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,369. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.