Kathryn Ashby Stillman, FNP-C
Family Nurse Practitioner · Wilmington, DE
Kathryn Ashby Stillman, FNP-C is a family nurse practitioner with a practice address in Wilmington, Delaware, and NPI 1609202126, issued on Sep 16, 2013. Check the license (Delaware LG-0000684, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Ashby Stillman
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- LG-0000684 DE
SP013186 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1072 Justison St, Wilmington, DE 19801
- Phone
- (302) 660-3394
- Enumerated
- Sep 16, 2013
- Record last updated
- Aug 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140904000893); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 709 in Delaware → Look up another NPI →
Also registered at 1072 Justison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shekelia HinesPhysical Therapist1265983134
- Elvina Kipoto, NP-CGerontology Nurse Practitioner1679241889
- Stephanie Moon, APRN, BCAdult Health Nurse Practitioner1306038955
Verify Kathryn Ashby Stillman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license LG-0000684Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family nurse practitioner in 2024
33 Medicare Part D claims for 20 beneficiaries, against an average of 1,305 among the 140,557 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.
Bills Medicare through one group practice
- Consonant Healing Medical AssociatesBristol, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Ashby Stillman among 709 family nurse practitioner records in Delaware
Kathryn Ashby Stillman, FNP-C is one of 709 family nurse practitioner records with a practice address in Delaware. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 28% of them.
- NPI issued2013 · 28% of these records are older, 68% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2013 · median 2018 among the 434 with a school on file
- Record last updated2019 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
139 family nurse practitioner records list a practice address in Wilmington
They are 139 of the 6,291 NPPES records with a practice address in Wilmington, and 709 family nurse practitioner records in Delaware.
All 709 in Delaware → Every provider in Wilmington → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Stephanie Evans-Mitchell, NPWilmington, DE 198011437547668
- Michele HarrisWilmington, DE 198011821215492
- Mary Jones - Gant, DNP, FNP-CWilmington, DE 198011194163022
- Jennifer McClureWilmington, DE 198011184172348
- Bryna Milionis, FNP-CWilmington, DE 198011043205818
- Valeria Muhammad, NPWilmington, DE 198011609389477
- May Oboryshko, CRNPWilmington, DE 198011801948419
- Kathleen Sharpe, APRNWilmington, DE 198011831551035
Common questions
What is Kathryn Ashby Stillman, FNP-C's NPI number?
Kathryn Ashby Stillman, FNP-C's National Provider Identifier (NPI) is 1609202126, issued on Sep 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Ashby Stillman, FNP-C located?
The NPPES record lists a practice address at 1072 Justison St, Wilmington, DE, 19801. Phone: (302) 660-3394. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Ashby Stillman, FNP-C's license?
NPPES lists Delaware license number LG-0000684, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Ashby Stillman, FNP-C prescribe under Medicare Part D?
In 2024, Kathryn Ashby Stillman, FNP-C had 33 Medicare Part D claims for 20 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.