2026 NPPES data Gastroenterology Physician NPI 1265516157
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Dawn Piercy

Gastroenterology Physician in Durham, North Carolina.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 17,061 in Gastroenterology Physician, 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
188
Medicare Part D claims · 58 beneficiaries · Gastroenterology Physician avg: 848
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$927.5
1 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

Dawn Piercy filed 188 Medicare Part D claims in 2024 as a Gastroenterology Physician in Durham, North Carolina, prescribing 88% generic.

188
Part D claims, 2024
88%
generic prescribing
$927.5
industry payments (Sunshine Act)
≥34th
pct by Part D claim volume (lower-bound band)

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.

Federal trust snapshot

What official records show about Dawn Piercy

Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.

  • Verified

    NPI registry status

    Active listing in the CMS National Provider Identifier Registry (NPI 1265516157), first enumerated 10/25/2006.

    Source: CMS NPPES

  • Reported

    Medicare Part D participation

    Filed 188 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.

    Source: CMS Part D Prescriber PUF

  • Reported

    Board certification signal

    Practices in an ABMS-board-eligible specialty; board certification not confirmed in federal records.

    Source: NUCC taxonomy + CMS participation heuristic

  • Reported

    Industry payment transparency

    $927.5 in reported industry payments (1 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.

    Source: CMS Open Payments

  • Not in federal data

    Individual sanction lookup

    PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.

    Source: State medical board / FSMB

This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.

CMS NPPES provider registry desk

NPI 1265516157 · Gastroenterology Physician

NPI-10 · ENUM-LEGACY · TAX-MID · RX-LIGHT · BOOK-LIGHT · PHOTO-ENUM

  • NPI-10 1265516157
  • ENUM-LEGACY 2006
  • TAX-MID 17K Gastroenterology Physician
  • RX-LIGHT 188
  • BOOK-LIGHT 539 in North Carolina
  • PHOTO-ENUM John Williams, M.D. · 2006

Dawn Piercy's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2024, across all CMS prescribers nationally

188 ≥ 34th percentile 34% of 1,416,883 prescribers are in lower value bands

0–200: 679,947 prescribers (48%). This entry sits in this band. 200–400: 188,835 prescribers (13%). Above this entry. 400–600: 95,866 prescribers (7%). Above this entry. 600–800: 60,107 prescribers (4%). Above this entry. 800–1,000: 43,043 prescribers (3%). Above this entry. 1,000–1,200: 33,612 prescribers (2%). Above this entry. 1,200–1,400: 27,889 prescribers (2%). Above this entry. 1,400–1,600: 23,183 prescribers (2%). Above this entry. 1,600–1,800: 19,917 prescribers (1%). Above this entry. 1,800–2,000: 17,585 prescribers (1%). Above this entry. 2K+: 226,899 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.

The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.

Source CMS Medicare Part D Prescriber Public Use File · 2024

Board-eligible specialty (heuristic, not verified)

Dawn Piercy practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Dawn Piercy?

Quality data not reported

NPI registry status

Active

Issued 10/25/2006

NPI 1265516157

Primary specialty

Gastroenterology Physician

Mid-sized

17,061 US NPIs in this specialty

Medicare Part D claims

188 78% vs specialty avg

2024 prescription claims

Specialty avg: 848

Specialty distribution in North Carolina

How Gastroenterology Physician compares to other specialties among North Carolina providers

North Carolina providers
Clinical Social Worker7.1%Behavior Technician6.8%Pharmacist4.9%Student in an Organized Heal…4.7%Physical Therapist4.2%Mental Health Counselor4.2%Gastroenterology Physician0.3%
Largest specialties in North Carolina (% 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 Gastroenterology Physician. 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).

Practice Address

2100 ERWIN RD
Durham, NC 27710

Provider Details

NPI 1265516157
Specialty Gastroenterology Physician
Gender Female
NPI Issued 10/25/2006

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 Dawn Piercy. Source: openpaymentsdata.cms.gov.

Total received

$928

Largest payer

Novo Nordisk Inc

Most common payment type

Consulting Fee

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.

Brand vs generic prescribing mix · Typical

Dawn Piercy - brand share 12.0%
Gastroenterology Physician average

12% brand-name claims vs 88% generic, on 188 2024 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 2024.

188
Total Claims
$63K
Total Drug Cost
58
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
429.633
Total Day Supply
12,706
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$51K
Generic Drug Cost
$12K
Antibiotic Claims
14

Patient Demographics

Average Patient Age
72.5 years
Avg HCC Risk Score
1.82

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.

What Dawn Piercy prescribes most

Top Medicare Part D drugs by claim count, 2024

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2024
Drug Claims
Ursodiol
36
Furosemide
18
Spironolactone
18
Carvedilol
17
Azathioprine
14
Xifaxan
Rifaximin
14
Omeprazole
12
Pantoprazole Sodium
11

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Gastroenterology Physician Overview

How Dawn Piercy fits within the Gastroenterology Physician landscape nationally.

17,061
Gastroenterology Physician Providers in US
54
States with Gastroenterology Physician
848
Avg Claims per Provider

Dawn Piercy's 188 claims are below the specialty average of 848.

Nationwide Gastroenterology Physician peers with similar MIPS or enrollment year

Two federal-record peer sets for Piercy, both outside North Carolina so the neighborhoods are not geographic containment.

Same NPPES enumeration year (2006)

Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.

Nearby Gastroenterology Physician Providers in North Carolina

Other clinicians with the same primary specialty enrolled in North Carolina, drawn from the same CMS NPPES roster as Piercy.

One of 539 Gastroenterology Physician providers enrolled in North Carolina, 5 are shown here.

Compare Gastroenterology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is Dawn Piercy's specialty?
Dawn Piercy specializes in Gastroenterology Physician and practices in Durham, North Carolina.
How much does Dawn Piercy prescribe under Medicare Part D?
In 2024, Dawn Piercy wrote 188 Medicare Part D claims totaling $63K in drug costs for 58 beneficiaries.
Where is Dawn Piercy located?
Dawn Piercy is located at 2100 ERWIN RD, Durham, NC, 27710. Phone: (919) 620-4467.
What is Dawn Piercy's NPI number?
Dawn Piercy's National Provider Identifier (NPI) is 1265516157, issued on 10/25/2006.
Does Dawn Piercy prescribe more brand-name or generic drugs?
Dawn Piercy's prescribing is 12% brand-name and 88% generic drugs by claim count, with $51K in brand drug costs.
How many Gastroenterology Physician providers are there in the US?
There are 17,061 Gastroenterology Physician providers across 54 states in the US. The average Gastroenterology Physician provider writes 848 Medicare Part D claims per year.
What drugs does Dawn Piercy prescribe most often?
Based on 2024 Medicare Part D data, Dawn Piercy's most frequently prescribed drugs include Ursodiol, Furosemide, Spironolactone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Dawn Piercy accept Medicare?
Dawn Piercy appears in CMS Medicare data with 188 Part D claims and 58 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Dawn Piercy's credentials?
Dawn Piercy's NPI is 1265516157. 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 (2024). 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 August 2026 (NPPES) / 2024 (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 August 2026.