2026 NPPES data Family Nurse Practitioner NPI 1285111260 FNP-BC
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SHIRLINE JOHNSON, FNP-BC

Family Nurse Practitioner in MIDDLETOWN, Delaware. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
319
Medicare Part D claims · 223 beneficiaries · Family Nurse Practitioner avg: 1K
Generic prescribing
92%
generic claims · 8% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

SHIRLINE JOHNSON, FNP-BC filed 319 Medicare Part D claims in 2023 as a Family Nurse Practitioner in MIDDLETOWN, Delaware, prescribing 92% generic.

319
Part D claims, 2023
92%
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.

SHIRLINE JOHNSON, FNP-BC's Medicare Part D volume vs every U.S. prescriber

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

319 Top 43% higher than 57% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 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. 2,000–2,200: 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 SHIRLINE JOHNSON, FNP-BC?

Quality data not reported

NPI registry status

Active

Issued 07/23/2018

NPI 1285111260

Primary specialty

Family Nurse Practitioner

High-volume

209,817 US NPIs in this specialty

Medicare Part D claims

319 74% vs specialty avg

2023 prescription claims

Specialty avg: 1,222

Specialty distribution in Delaware

How Family Nurse Practitioner compares to other specialties among Delaware providers

Delaware providers

Family Nurse Practitioner share within Delaware

1. Family Nurse Practitioner42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Family Nurse Practitioner share within Delaware

Specialty board-certification context

Estimated specialty board-certified rate — Family Nurse Practitioner (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Family Nurse Practitioner ABMS/AOA estimate

Est. board-certified rate (Family Nurse Practitioner) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Family Nurse Practitioner) — ABMS / AOA estimate

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).

SHIRLINE JOHNSON, FNP-BC appears in the CMS NPPES registry as a Family Nurse Practitioner provider holding FNP-BC credentials at 124 SLEEPY HOLLOW DR, MIDDLETOWN, DE, 19709, with a listed phone of (302) 449-3030. NPI 1285111260 was issued on 07/23/2018. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what JOHNSON 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 319 prescription claims written by this provider, covering 223 Medicare beneficiaries and totaling roughly $5K in drug spend, split 8% brand-name and 92% 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

124 SLEEPY HOLLOW DR
MIDDLETOWN, DE 19709

Provider Details

NPI 1285111260
Specialty Family Nurse Practitioner
Credentials FNP-BC
Gender Female
NPI Issued 07/23/2018

Hospital and facility affiliations

Facilities where SHIRLINE JOHNSON, FNP-BC bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

BAYHEALTH MEDICAL CENTER, INC
DOVER, DE
CHRISTIANA CARE QUALITY PARTNERS
NORTH EAST, MD

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Brand vs generic prescribing mix · Generic-heavy

SHIRLINE JOHNSON, FNP-BC — brand share 8.0%
Specialty average (est.)

8% brand-name claims vs 92% generic, on 319 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.

319
Total Claims
$5K
Total Drug Cost
223
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
321
Total Day Supply
3,061
Brand vs Generic
8% brand / 92% generic
Brand Drug Cost
$1K
Generic Drug Cost
$4K
Antibiotic Claims
151

Patient Demographics

Average Patient Age
70.8 years
Avg HCC Risk Score
1.13
Gender Split
66% female / 34% male
Age Distribution
<65: 39, 65-74: 104, 75-84: 64, 85+: 16

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What SHIRLINE JOHNSON, FNP-BC prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Amoxicillin-Clavulanate Potass
Amoxicillin/Potassium Clav
40
Doxycycline Hyclate
36
Prednisone
32
Ibuprofen
23
Nitrofurantoin Mono-Macro
Nitrofurantoin Monohyd/M-Cryst
23
Albuterol Sulfate Hfa
Albuterol Sulfate
18
Cephalexin
17

* 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 SHIRLINE JOHNSON, FNP-BC fits within the Family Nurse Practitioner landscape nationally.

209,817
Family Nurse Practitioner Providers in US
56
States with Family Nurse Practitioner
1,222
Avg Claims per Provider

SHIRLINE JOHNSON, FNP-BC's 319 claims are below the specialty average of 1,222.

Nearby Family Nurse Practitioner Providers in Delaware

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

Compare Family Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is SHIRLINE JOHNSON, FNP-BC's specialty?
SHIRLINE JOHNSON, FNP-BC specializes in Family Nurse Practitioner and practices in MIDDLETOWN, Delaware. Credentials: FNP-BC.
How much does SHIRLINE JOHNSON, FNP-BC prescribe under Medicare Part D?
In 2023, SHIRLINE JOHNSON, FNP-BC wrote 319 Medicare Part D claims totaling $5K in drug costs for 223 beneficiaries.
Where is SHIRLINE JOHNSON, FNP-BC located?
SHIRLINE JOHNSON, FNP-BC is located at 124 SLEEPY HOLLOW DR, MIDDLETOWN, DE, 19709. Phone: (302) 449-3030.
What is SHIRLINE JOHNSON, FNP-BC's NPI number?
SHIRLINE JOHNSON, FNP-BC's National Provider Identifier (NPI) is 1285111260, issued on 07/23/2018.
Does SHIRLINE JOHNSON, FNP-BC prescribe more brand-name or generic drugs?
SHIRLINE JOHNSON, FNP-BC's prescribing is 8% brand-name and 92% generic drugs by claim count, with $1K in brand drug costs.
How many Family Nurse Practitioner providers are there in the US?
There are 209,817 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 SHIRLINE JOHNSON, FNP-BC prescribe most often?
Based on 2023 Medicare Part D data, SHIRLINE JOHNSON, FNP-BC's most frequently prescribed drugs include Amoxicillin-Clavulanate Potass, Doxycycline Hyclate, Prednisone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SHIRLINE JOHNSON, FNP-BC accept Medicare?
SHIRLINE JOHNSON, FNP-BC appears in CMS Medicare data with 319 Part D claims and 223 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SHIRLINE JOHNSON, FNP-BC's credentials?
SHIRLINE JOHNSON, FNP-BC's NPI is 1285111260 with credentials FNP-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