Margaret Eleen Corcoran, GNP
Gerontology Nurse Practitioner · Elkridge, MD
Margaret Eleen Corcoran, GNP is a gerontology nurse practitioner with a practice address in Elkridge, Maryland, and NPI 1720113327, issued on Feb 22, 2007. Check the license (Maryland RN108614, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Eleen Corcoran
- Credential
- GNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- RN108614 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6095 Marshalee Dr, Elkridge, MD 21075
- Phone
- (410) 375-3504
- Enumerated
- Feb 22, 2007
- Record last updated
- Nov 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (410) 379-3591
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 199 in Maryland → Look up another NPI →
Also registered at 6095 Marshalee Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anna Bonney, CRNP-FFamily Nurse Practitioner1467699561
- Janet Browne-Avery, PA-CPhysician Assistant1801051453
- Stefanie Defiglia, CRNPFamily Nurse Practitioner1083779920
- Kristopher Derbyshire, CRNPPrimary Care Nurse Practitioner1083158042
- Christi Dieterich, NPGerontology Nurse Practitioner1184873895
Verify Margaret Eleen Corcoran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license RN108614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $41.53
2 payments; by number, the most common kind was food and beverage; the largest payer was Surmodics, Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Margaret Eleen Corcoran among 199 gerontology nurse practitioner records in Maryland
Margaret Eleen Corcoran, GNP is one of 199 gerontology nurse practitioner records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 74% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2010 · 46% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 gerontology nurse practitioner records list a practice address in Elkridge
They are 16 of the 468 NPPES records with a practice address in Elkridge, and 199 gerontology nurse practitioner records in Maryland.
All 199 in Maryland → Every provider in Elkridge → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Eric Anapolsky, CRNPElkridge, MD 210751790832301
- Rosemarie Brager, CRNPElkridge, MD 210751932264405
- Yeo Ran Byun, CRNPElkridge, MD 210751053475350
- Christi Dieterich, NPElkridge, MD 210751184873895
- Kristy Duffey, N.P.Elkridge, MD 210751104981224
- Melanie Letzer, CRNPElkridge, MD 210751639229370
- Regina Miller, CRNPElkridge, MD 210751871644039
- Debrah MillerElkridge, MD 210751831348853
Common questions
What is Margaret Eleen Corcoran, GNP's NPI number?
Margaret Eleen Corcoran, GNP's National Provider Identifier (NPI) is 1720113327, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Eleen Corcoran, GNP located?
The NPPES record lists a practice address at 6095 Marshalee Dr, Elkridge, MD, 21075. Phone: (410) 375-3504. Providers update this record themselves, so call before visiting.
How can I verify Margaret Eleen Corcoran, GNP's license?
NPPES lists Maryland license number RN108614, 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.