2026 NPPES data Gerontology Nurse Practitioner NPI 1669707261 GNP-BC
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Eun Young Mirfield, GNP-BC

Gerontology Nurse Practitioner in Memphis, Tennessee. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 9,625 in Gerontology 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
15
Medicare Part D claims · Gerontology Nurse Practitioner avg: 1K
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Eun Young Mirfield, GNP-BC filed 15 Medicare Part D claims in 2023 as a Gerontology Nurse Practitioner in Memphis, Tennessee.

15
Part D claims, 2023

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.

Eun Young Mirfield, GNP-BC's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023, across all CMS prescribers nationally

15 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2K+: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

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 Eun Young Mirfield, GNP-BC?

Quality data not reported

NPI registry status

Active

Issued 10/15/2009

NPI 1669707261

Primary specialty

Gerontology Nurse Practitioner

Mid-sized

9,625 US NPIs in this specialty

Medicare Part D claims

15 99% vs specialty avg

2023 prescription claims

Specialty avg: 1,283

Specialty distribution in Tennessee

How Gerontology Nurse Practitioner compares to other specialties among Tennessee providers

Tennessee providers
Family Nurse Practitioner - 6.4%Family Nurse Practitioner6.4%Pharmacist - 5.9%Pharmacist5.9%Student in an Organized Health Care Education/Training Program - 4.6%Student in an Organized Health Care Education/Training Program4.6%Physical Therapist - 4.2%Physical Therapist4.2%Behavior Technician - 4.2%Behavior Technician4.2%Registered Nurse - 3.9%Registered Nurse3.9%Gerontology Nurse Practitioner - 0.2%Gerontology Nurse Practitioner0.2%
Largest specialties in Tennessee (% of in-state 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 Gerontology Nurse Practitioner. Verify directly:

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).

Eun Young Mirfield, GNP-BC appears in the CMS NPPES registry as a Gerontology Nurse Practitioner provider holding GNP-BC credentials at 50 S B B KING BLVD, Memphis, TN, 38103, with a listed phone of (901) 422-7644. NPI 1669707261 was issued on 10/15/2009. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Mirfield 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 15 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $548 in drug spend. 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.

Gerontology Nurse Practitioner is a mid-sized specialty nationwide, with 9,625 enrolled providers across 54 states and an average of 1,283 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

50 S B B KING BLVD
Memphis, TN 38103

Provider Details

NPI 1669707261
Specialty Gerontology Nurse Practitioner
Credentials GNP-BC
Gender Female
NPI Issued 10/15/2009

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

15
Total Claims
$548
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
17
Total Day Supply
244
Generic Drug Cost
$75

Patient Demographics

Average Patient Age
69.9 years
Avg HCC Risk Score
3.00

Gerontology Nurse Practitioner Overview

How Eun Young Mirfield, GNP-BC fits within the Gerontology Nurse Practitioner landscape nationally.

9,625
Gerontology Nurse Practitioner Providers in US
54
States with Gerontology Nurse Practitioner
1,283
Avg Claims per Provider

Eun Young Mirfield, GNP-BC's 15 claims are below the specialty average of 1,283.

Nearby Gerontology Nurse Practitioner Providers in Tennessee

Other clinicians with the same primary specialty enrolled in Tennessee, drawn from the same CMS NPPES roster as Mirfield.

Compare Gerontology 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 Tennessee medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Gerontology 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.

Frequently Asked Questions

What is Eun Young Mirfield, GNP-BC's specialty?
Eun Young Mirfield, GNP-BC specializes in Gerontology Nurse Practitioner and practices in Memphis, Tennessee. Credentials: GNP-BC.
How much does Eun Young Mirfield, GNP-BC prescribe under Medicare Part D?
In 2023, Eun Young Mirfield, GNP-BC wrote 15 Medicare Part D claims totaling $548 in drug costs for N/A beneficiaries.
Where is Eun Young Mirfield, GNP-BC located?
Eun Young Mirfield, GNP-BC is located at 50 S B B KING BLVD, Memphis, TN, 38103. Phone: (901) 422-7644.
What is Eun Young Mirfield, GNP-BC's NPI number?
Eun Young Mirfield, GNP-BC's National Provider Identifier (NPI) is 1669707261, issued on 10/15/2009.
How many Gerontology Nurse Practitioner providers are there in the US?
There are 9,625 Gerontology Nurse Practitioner providers across 54 states in the US. The average Gerontology Nurse Practitioner provider writes 1,283 Medicare Part D claims per year.
Does Eun Young Mirfield, GNP-BC accept Medicare?
Eun Young Mirfield, GNP-BC appears in CMS Medicare data with 15 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Eun Young Mirfield, GNP-BC's credentials?
Eun Young Mirfield, GNP-BC's NPI is 1669707261 with credentials GNP-BC. 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

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

Compiled from official public sources by the PlainDoctor editorial team.