Mary Katherine Walker, LCSW
Clinical Social Worker · Lexington, KY
Mary Katherine Walker, LCSW is a clinical social worker with a practice address in Lexington, Kentucky, and NPI 1740682913, issued on Sep 19, 2014. Check the license (Kentucky 252993, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Katherine Walker
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 252993 KY
7073 KY
Self-reported in NPPES; status is on the state search - Practice location
- 900 S Limestone Ste 303, Lexington, KY 40536
- Phone
- (859) 323-6634
- Enumerated
- Sep 19, 2014
- Record last updated
- Oct 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201118002331); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 4,071 in Kentucky → Look up another NPI →
Verify Mary Katherine Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 252993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University OF KentuckyLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Katherine Walker among 4,071 clinical social worker records in Kentucky
Mary Katherine Walker, LCSW is one of 4,071 clinical social worker records with a practice address in Kentucky. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 39% of them.
- NPI issued2014 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2014 · median 2014 among the 989 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
708 clinical social worker records list a practice address in Lexington
They are 708 of the 14,031 NPPES records with a practice address in Lexington, and 4,071 clinical social worker records in Kentucky.
All 4,071 in Kentucky → Every provider in Lexington → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Andrea Baker, LCSWLexington, KY 405361366582207
- Joshua Barnett, LCSWLexington, KY 405361760761019
- Alicia Bosch, LCSWLexington, KY 405361083888416
- Britt Coyle, LCSWLexington, KY 405361235503392
- Joshua Evans, LCSWLexington, KY 405361225410509
- Kari GerthLexington, KY 405361720444870
- Natalie Gilpin, LCSWLexington, KY 405361477992543
- Elizabeth Johnson, LCSWLexington, KY 405361376783209
Common questions
What is Mary Katherine Walker, LCSW's NPI number?
Mary Katherine Walker, LCSW's National Provider Identifier (NPI) is 1740682913, issued on Sep 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Walker, LCSW located?
The NPPES record lists a practice address at 900 S Limestone Ste 303, Lexington, KY, 40536. Phone: (859) 323-6634. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Walker, LCSW's license?
NPPES lists Kentucky license number 252993, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity 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.