Marlene Margerum, NP
NPI 1558975508 · Primary Care Nurse Practitioner · Elkridge, MD
Marlene Margerum, NP is a Primary Care Nurse Practitioner provider in Elkridge, MD (NPI 1558975508).
Provider details
- NPI number
- 1558975508
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R158868 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-06
- Last updated
- 2020-09-06
- Certified
- 2020-09-06
Frequently asked questions
- What is Marlene Margerum's NPI number?
- Marlene Margerum's National Provider Identifier (NPI) is 1558975508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Margerum's specialty?
- Marlene Margerum is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marlene Margerum located?
- Marlene Margerum's practice location on file with NPPES is 6052 Augustine Ave, Elkridge, MD 21075-5351.
- What is Marlene Margerum's phone number?
- The practice phone number listed in the NPPES registry for Marlene Margerum is (443) 820-7565.
- Is Marlene Margerum's NPI active?
- Yes — Marlene Margerum's NPI (1558975508) is active in the NPPES registry as of the last update on 2020-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.