Marlene Joan Margerum, NP
Primary Care Nurse Practitioner · Elkridge, MD
Marlene Joan Margerum, NP is a primary care nurse practitioner with a practice address in Elkridge, Maryland, and NPI 1558975508, issued on Sep 6, 2020. Check the license (Maryland R158868, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marlene Joan Margerum
- Credential
- NP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- R158868 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6052 Augustine Ave, Elkridge, MD 21075
- Phone
- (443) 820-7565
- Enumerated
- Sep 6, 2020
- Record last updated
- Sep 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 295 in Maryland → Look up another NPI →
Verify Marlene Joan Margerum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R158868Check 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: $21.05
1 payment: food and beverage; the largest payer was Tolmar, Inc. The 4,321 providers of this specialty with any payment received $625.13 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.
Marlene Joan Margerum among 295 primary care nurse practitioner records in Maryland
Marlene Joan Margerum, NP is one of 295 primary care nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 48% of them.
- NPI issued2020 · 48% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2020 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Maryland
There are 295 primary care nurse practitioner records in Maryland.
All 295 in Maryland → Every provider in Elkridge → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Kristopher Derbyshire, CRNPElkridge, MD 210751083158042
- Helena Middleton, NPElkridge, MD 210751952029209
- Mary Spangler, CRNPElkridge, MD 210751073519963
- Mia CaoHavre De Grace, MD 210781417896119
- Gwynneth JarrellGlen Burnie, MD 210611285556795
- Carine Ndeko, CRNP-ADULTGlen Burnie, MD 210611306321443
- Miroslava PavelovaGlen Burnie, MD 210611972238178
- Morgan Perkins, APRNLinthicum, MD 210901346125598
Common questions
What is Marlene Joan Margerum, NP's NPI number?
Marlene Joan Margerum, NP's National Provider Identifier (NPI) is 1558975508, issued on Sep 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marlene Joan Margerum, NP located?
The NPPES record lists a practice address at 6052 Augustine Ave, Elkridge, MD, 21075. Phone: (443) 820-7565. Providers update this record themselves, so call before visiting.
How can I verify Marlene Joan Margerum, NP's license?
NPPES lists Maryland license number R158868, 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.