Catherine Mohler Willsey
Acute Care Nurse Practitioner · Ellicott City, MD
Catherine Mohler Willsey is an acute care nurse practitioner with a practice address in Ellicott City, Maryland, and NPI 1952275257, issued on Oct 1, 2025. Check the license (Maryland R245454, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Mohler Willsey
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R245454 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9501 Old Annapolis RD Ste 205, Ellicott City, MD 21042
- Phone
- (410) 648-2555
- Enumerated
- Oct 1, 2025
- Record last updated
- Oct 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20251021001285); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 755 in Maryland → Look up another NPI →
Also registered at 9501 Old Annapolis RD Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mollie Nelson, CNS, LDNNutritionist1003492349
- William Rollow, MDFamily Medicine Physician1790929719
Verify Catherine Mohler Willsey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R245454Check 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
- Integrative Health Practices LLCEllicott City, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Mohler Willsey among 755 acute care nurse practitioner records in Maryland
Catherine Mohler Willsey is one of 755 acute care nurse practitioner records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 94% of them.
- NPI issued2025 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2025 · median 2017 among the 494 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Maryland
There are 755 acute care nurse practitioner records in Maryland.
All 755 in Maryland → Every provider in Ellicott City → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Senait MehariEllicott City, MD 210421437980240
- Luke Walker, NPEllicott City, MD 210421104624402
- Jee Young Choi, CRNPEllicott City, MD 210431316352750
- Raji George, CRNPEllicott City, MD 210431871134239
- Somanegre Kafando, CRNPEllicott City, MD 210431932881760
- Bhavesh PatelEllicott City, MD 210431558128710
- Cecilia Bibio, NPEdgewood, MD 210401316504301
- Payal Christian, CRNPColumbia, MD 210441871992933
Common questions
What is Catherine Mohler Willsey's NPI number?
Catherine Mohler Willsey's National Provider Identifier (NPI) is 1952275257, issued on Oct 1, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Mohler Willsey located?
The NPPES record lists a practice address at 9501 Old Annapolis RD Ste 205, Ellicott City, MD, 21042. Phone: (410) 648-2555. Providers update this record themselves, so call before visiting.
How can I verify Catherine Mohler Willsey's license?
NPPES lists Maryland license number R245454, as entered by the provider. Search the Maryland 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.