Esther Narhmartey-Darku, FNP-BC
Family Nurse Practitioner in Lilburn, Georgia. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers — including 209,817 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.
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Esther Narhmartey-Darku, FNP-BC filed 874 Medicare Part D claims in 2023 as a Family Nurse Practitioner in Lilburn, Georgia, prescribing 94% generic.
- 874
- Part D claims, 2023
- 94%
- generic prescribing
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.
Esther Narhmartey-Darku, FNP-BC's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023 — across all CMS prescribers nationally
874 Top 27% higher than 73% 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 Esther Narhmartey-Darku, FNP-BC?
Quality data not reportedPrimary specialty
Medicare Part D claims
Specialty distribution in Georgia
How Family Nurse Practitioner compares to other specialties among Georgia providers
Largest specialties in Georgia (% of in-state providers)
Family Nurse Practitioner ranks #4 among Georgia's specialties (4.8% of in-state providers)
Each bar is a specialty's share of the Georgia provider total, by primary NUCC taxonomy. The highlighted bar is Family Nurse Practitioner; the long tail of smaller specialties is omitted for legibility.
Specialty board-certification context
Estimated specialty board-certified rate — Family Nurse Practitioner (ABMS / AOA reference)
- Est. board-certified rate
- 78%
- Family Nurse Practitioner ABMS/AOA estimate
Est. board-certified rate (Family Nurse Practitioner) — ABMS / AOA estimate
Verify credentials
- Verify via ABMS free public lookup
- Verify via AOA osteopathic boards
- Specialty volume Family Nurse Practitioner US NPIs
Specialty board-certified rate — Family Nurse Practitioner estimate
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus Maintenance of Certification cycles. CMS does not publish a per-provider board-certification field; the figure shown is the specialty-level estimated rate from ABMS / AOA reference data.
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).
Esther Narhmartey-Darku, FNP-BC appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding FNP-BC credentials at 160 EMILY DR SW, Lilburn, GA, 30047, with a listed phone of (404) 513-1511. NPI 1033632047 was issued on 07/21/2017. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Narhmartey-Darku most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.
Medicare Part D records for calendar year 2023 show 874 prescription claims written by this provider, covering 86 Medicare beneficiaries and totaling roughly $174K in drug spend, split 6% brand-name and 94% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.
Family Nurse Practitioner is a high-volume specialty nationwide, with 209,817 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 | 1033632047 |
|---|---|
| Specialty | Family Nurse Practitioner |
| Credentials | FNP-BC |
| Gender | Female |
| NPI Issued | 07/21/2017 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm Esther Narhmartey-Darku, FNP-BC's current license status, disciplinary history, and board certifications with the Georgia Composite Medical Board in Georgia before relying on this page for a clinical or care decision.
How we sourced this profile
Brand vs generic prescribing mix · Generic-heavy
6% brand-name claims vs 94% generic, on 874 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
Prescribing Breakdown
- 30-Day Fills
- 1,563
- Total Day Supply
- 46,678
- Brand vs Generic
- 6% brand / 94% generic
- Brand Drug Cost
- $148K
- Generic Drug Cost
- $26K
Patient Demographics
- Average Patient Age
- 64.5 years
- Avg HCC Risk Score
- 1.10
- Gender Split
- 83% female / 17% male
- Age Distribution
- <65: 29, 65-74: 47, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Esther Narhmartey-Darku, FNP-BC prescribes most
Top Medicare Part D drugs by claim count, 2023
- Fluoxetine Hcl
Fluoxetine Hcl
69 claims
- Trazodone Hcl
Trazodone Hcl
62 claims
- Lamotrigine
Lamotrigine
52 claims
- Buspirone Hcl
Buspirone Hcl
47 claims
- Bupropion Xl
Bupropion Xl
44 claims
- Sertraline Hcl
Sertraline Hcl
42 claims
- Alprazolam
Alprazolam
39 claims
- Zolpidem Tartrate
Zolpidem Tartrate
37 claims
| Drug | Claims |
|---|---|
| Fluoxetine Hcl | 69 |
| Trazodone Hcl | 62 |
| Lamotrigine | 52 |
| Buspirone Hcl | 47 |
| Bupropion Xl Bupropion Hcl | 44 |
| Sertraline Hcl | 42 |
| Alprazolam | 39 |
| Zolpidem Tartrate | 37 |
| Aripiprazole | 35 |
| Escitalopram Oxalate | 28 |
* 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 Esther Narhmartey-Darku, FNP-BC fits within the Family Nurse Practitioner landscape nationally.
Esther Narhmartey-Darku, FNP-BC's 874 claims are below the specialty average of 1,222.
Nearby Family Nurse Practitioner Providers in Georgia
Other clinicians with the same primary specialty enrolled in Georgia, drawn from the same CMS NPPES roster as Narhmartey-Darku.
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 Georgia 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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Frequently Asked Questions
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Data Sources
- 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