NPI registry status
Active
2026 NPPES data Family Nurse Practitioner NPI 1679800395 CFNP
Verify on CMS → Brenda Marcum, CFNP
Family Nurse Practitioner in Williamson, West Virginia.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 210,832 in Family Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
693
Medicare Part D claims · 47 beneficiaries · Family Nurse Practitioner avg: 1K
Industry payments
$517.56
29 payments · CMS Open Payments (Sunshine Act)
What the federal data shows
Brenda Marcum, CFNP filed 693 Medicare Part D claims in 2023 as a Family Nurse Practitioner in Williamson, West Virginia.
- 693
- Part D claims, 2023
- $517.56
- industry payments (Sunshine Act)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Brenda Marcum, CFNP's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
693 Top 31% higher than 69% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
What does the federal data show about Brenda Marcum, CFNP?
Quality data not reportedPrimary specialty
Family Nurse Practitioner
Medicare Part D claims
693 43% vs specialty avg
Specialty distribution in West Virginia
How Family Nurse Practitioner compares to other specialties among West Virginia providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Family Nurse Practitioner. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Brenda Marcum, CFNP appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding CFNP credentials at 184 E 2ND AVE STE 1, Williamson, WV, 25661, with a listed phone of (304) 235-2930. NPI 1679800395 was issued on 11/17/2009.
Medicare Part D records for calendar year 2023 show 693 prescription claims written by this provider, covering 47 Medicare beneficiaries and totaling roughly $58K in drug spend.
Family Nurse Practitioner is a high-volume specialty nationwide, with 210,832 enrolled providers across 56 states and an average of 1,222 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1679800395 |
|---|---|
| Specialty | Family Nurse Practitioner |
| Credentials | CFNP |
| Gender | Female |
| NPI Issued | 11/17/2009 |
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Brenda Marcum, CFNP. Source: openpaymentsdata.cms.gov.
Total received
$518
Largest payer
Indivior Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
693
Total Claims
$58K
Total Drug Cost
47
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 848
- Total Day Supply
- 19,751
- Generic Drug Cost
- $29K
- Antibiotic Claims
- 29
Patient Demographics
- Average Patient Age
- 56.1 years
- Avg HCC Risk Score
- 1.29
- Gender Split
- 34% female / 66% male
- Age Distribution
- <65: 34, 65-74: N/A, 75-84: N/A, 85+: 0
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Brenda Marcum, CFNP prescribes most
Top Medicare Part D drugs by claim count, 2023
- Buprenorphine-Nalo…
Buprenorphine-Naloxone
240 claims
- Montelukast Sodium 25
Montelukast Sodium
25 claims
- Suboxone 24
Suboxone
24 claims
- Methylprednisolone 21
Methylprednisolone
21 claims
- Metformin Hcl 20
Metformin Hcl
20 claims
- Ibuprofen 19
Ibuprofen
19 claims
- Lisinopril 19
Lisinopril
19 claims
- Amlodipine Besylate 17
Amlodipine Besylate
17 claims
| Drug | Claims |
|---|---|
| Buprenorphine-Naloxone Buprenorphine Hcl/Naloxone Hcl | 240 |
| Montelukast Sodium | 25 |
| Suboxone Buprenorphine Hcl/Naloxone Hcl | 24 |
| Methylprednisolone | 21 |
| Metformin Hcl | 20 |
| Ibuprofen | 19 |
| Lisinopril | 19 |
| Amlodipine Besylate | 17 |
| Gabapentin | 16 |
| Ondansetron Hcl | 16 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Nurse Practitioner Overview
How Brenda Marcum, CFNP fits within the Family Nurse Practitioner landscape nationally.
210,832
Family Nurse Practitioner Providers in US
56
States with Family Nurse Practitioner
1,222
Avg Claims per Provider
Brenda Marcum, CFNP's 693 claims are below the specialty average of 1,222.
Nearby Family Nurse Practitioner Providers in West Virginia
Other clinicians with the same primary specialty enrolled in West Virginia, drawn from the same CMS NPPES roster as Marcum.
Dr. Susan Abbott
FNP
Elkins, WV
Dr. Rebekah Abele
FNP-C
Charleston, WV
Dr. Benjamin Abersold
CNP
Maidsville, WV
Dr. Diane Abshire
RNC FNP
Parkersburg, WV
Dr. Adrienne Acord
FNP
Ravenswood, WV
Compare Family Nurse Practitioner nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the West Virginia medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Medical Specialties Explained
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Explore West Virginia
Frequently Asked Questions
What is Brenda Marcum, CFNP's specialty? ▼
Brenda Marcum, CFNP specializes in Family Nurse Practitioner and practices in Williamson, West Virginia. Credentials: CFNP.
How much does Brenda Marcum, CFNP prescribe under Medicare Part D? ▼
In 2023, Brenda Marcum, CFNP wrote 693 Medicare Part D claims totaling $58K in drug costs for 47 beneficiaries.
Where is Brenda Marcum, CFNP located? ▼
Brenda Marcum, CFNP is located at 184 E 2ND AVE STE 1, Williamson, WV, 25661. Phone: (304) 235-2930.
What is Brenda Marcum, CFNP's NPI number? ▼
Brenda Marcum, CFNP's National Provider Identifier (NPI) is 1679800395, issued on 11/17/2009.
How many Family Nurse Practitioner providers are there in the US? ▼
There are 210,832 Family Nurse Practitioner providers across 56 states in the US. The average Family Nurse Practitioner provider writes 1,222 Medicare Part D claims per year.
What drugs does Brenda Marcum, CFNP prescribe most often? ▼
Based on 2023 Medicare Part D data, Brenda Marcum, CFNP's most frequently prescribed drugs include Buprenorphine-Naloxone, Montelukast Sodium, Suboxone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Brenda Marcum, CFNP accept Medicare? ▼
Brenda Marcum, CFNP appears in CMS Medicare data with 693 Part D claims and 47 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Brenda Marcum, CFNP's credentials? ▼
Brenda Marcum, CFNP's NPI is 1679800395 with credentials CFNP. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
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 May 2026.