Registry data as of Aug 27, 2026

Catherine Willsey

Acute Care Nurse Practitioner · Ellicott City, MD

Catherine 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 with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1952275257
Name
Catherine Willsey
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
Practice location
9501 Old Annapolis RD Ste 205, Ellicott City, MD 21042
Phone
(410) 648-2555
Enumerated
Oct 1, 2025
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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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.

  1. Mollie Nelson, CNS, LDNNutritionist1003492349
  2. William Rollow, MDFamily Medicine Physician1790929719

Verify Catherine Willsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

One hospital or facility affiliation

  1. Integrative Health Practices LLCEllicott City, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Acute Care Nurse Practitioner providers in Maryland

There are 676 acute care nurse practitioner records in Maryland.

All 676 in Maryland → Every provider in Ellicott City →

Other acute care nurse practitioner records in Maryland

  1. Eyerusalem Abdeta, NURSE PRACTITIONERGreenbelt, MD1386450583
  2. Matthew Abell, NPSalisbury, MD1295395564
  3. Krishna AcharyaBaltimore, MD1811623176
  4. Rosemary Acorda, CRNPTakoma Park, MD1760618342
  5. Monisola Adedeji, NPBaltimore, MD1598686156
  6. Michelle Adelstein, ACNPBaltimore, MD1396956488
  7. Saba AdemeSilver Spring, MD1124760319
  8. Oluwatoyin Adisa, ACNPBaltimore, MD1013156181
  9. Tamar Adolemaiu-Bey, CRNP, DNPBaltimore, MD1619127420
  10. Nwamaka AgbasiLargo, MD1740547041

Common questions

What is Catherine Willsey's NPI number?

Catherine 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 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 Willsey's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.