Marjorie Simpson, PHD, CRNP
Gerontology Nurse Practitioner · Westminster, MD
Marjorie Simpson, PHD, CRNP is a gerontology nurse practitioner with a practice address in Westminster, Maryland, and NPI 1083686448, issued on Feb 1, 2006. Check the license (Maryland R108131, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marjorie Simpson
- Credential
- PHD, CRNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- R108131 MD
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 973, Westminster, MD 21158
- Phone
- (410) 218-4786
- Enumerated
- Feb 1, 2006
- Record last updated
- Oct 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (410) 795-0029
- Medicare enrollment
- Enrolled (PECOS I20090209000287); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 199 in Maryland → Look up another NPI →
Verify Marjorie Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R108131Check 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
- Bridginglife, Inc.Westminster, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marjorie Simpson among 199 gerontology nurse practitioner records in Maryland
Marjorie Simpson, PHD, CRNP 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 83% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2001 · median 2019 among the 98 with a school on file
- Record last updated2018 · 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).
Gerontology Nurse Practitioner providers in Maryland
There are 199 gerontology nurse practitioner records in Maryland.
All 199 in Maryland → Every provider in Westminster → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Ella Mensah, CRNPWestminster, MD 211571215536883
- Courtney O'Neill, CRNPWestminster, MD 211571932768199
- Jennifer Canapp, AGPCNP-BC, DNPWhite Marsh, MD 211621215651948
- Susan Scherr, C.R.N.P.Reisterstown, MD 211361093998478
- Laura WardReisterstown, MD 211361225646870
- Ella Krupitskaya, CRNPRandallstown, MD 211331578863312
- Irene Njuguna, AGNPPerry Hall, MD 211281255893061
- Michelle SakalaPasadena, MD 211221396523353
Common questions
What is Marjorie Simpson, PHD, CRNP's NPI number?
Marjorie Simpson, PHD, CRNP's National Provider Identifier (NPI) is 1083686448, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marjorie Simpson, PHD, CRNP located?
The NPPES record lists a practice address at PO Box 973, Westminster, MD, 21158. Phone: (410) 218-4786. Providers update this record themselves, so call before visiting.
How can I verify Marjorie Simpson, PHD, CRNP's license?
NPPES lists Maryland license number R108131, 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.