2026 NPPES data Emergency Medicine Physician NPI 1821080615 MD
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BRYAN BARRILLEAUX, MD

Emergency Medicine Physician in LAKE CHARLES, Louisiana. 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
305
Medicare Part D claims · 25 beneficiaries · Emergency Medicine Physician avg: 352
Generic prescribing
85%
generic claims · 15% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

BRYAN BARRILLEAUX, MD filed 305 Medicare Part D claims in 2023 as a Emergency Medicine Physician in LAKE CHARLES, Louisiana, prescribing 85% generic.

305
Part D claims, 2023
85%
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.

BRYAN BARRILLEAUX, MD's Medicare Part D volume vs every U.S. prescriber

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

305 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

Board-eligible specialty (heuristic — not verified)

BRYAN BARRILLEAUX, MD 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 BRYAN BARRILLEAUX, MD?

Quality data not reported

NPI registry status

Active

Issued 08/17/2005

NPI 1821080615

Primary specialty

Emergency Medicine Physician

High-volume

64,398 US NPIs in this specialty

Medicare Part D claims

305 13% vs specialty avg

2023 prescription claims

Specialty avg: 352

Specialty distribution in Louisiana

How Emergency Medicine Physician compares to other specialties among Louisiana providers

Louisiana providers

Emergency Medicine Physician share within Louisiana

1. Emergency Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Emergency Medicine Physician share within Louisiana

Specialty board-certification context

Estimated specialty board-certified rate — Emergency Medicine Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Emergency Medicine Physician ABMS/AOA estimate

Est. board-certified rate (Emergency Medicine Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Emergency Medicine Physician) — 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).

BRYAN BARRILLEAUX, MD is a Emergency Medicine Physician provider practicing in LAKE CHARLES, Louisiana, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1821080615. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

BRYAN BARRILLEAUX, MD appears in the CMS NPPES registry as a Emergency Medicine Physician provider holding MD credentials at 643 S RYAN ST, LAKE CHARLES, LA, 70601, with a listed phone of (337) 439-2000. NPI 1821080615 was issued on 08/17/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BARRILLEAUX 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 305 prescription claims written by this provider, covering 25 Medicare beneficiaries and totaling roughly $35K in drug spend, split 15% brand-name and 85% generic by claim count, with an opioid prescribing rate of 3.9%. 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.

Emergency Medicine Physician is a high-volume specialty nationwide, with 64,398 enrolled providers across 56 states and an average of 352 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

643 S RYAN ST
LAKE CHARLES, LA 70601

Provider Details

NPI 1821080615
Specialty Emergency Medicine Physician
Credentials MD
Gender Male
NPI Issued 08/17/2005

Brand vs generic prescribing mix · Typical

BRYAN BARRILLEAUX, MD — brand share 15.0%
Specialty average (est.)

15% brand-name claims vs 85% generic, on 305 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.

305
Total Claims
$35K
Total Drug Cost
25
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
621
Total Day Supply
17,947
Brand vs Generic
15% brand / 85% generic
Brand Drug Cost
$31K
Generic Drug Cost
$5K
Opioid Claims
12 (3.9% rate)

Patient Demographics

Average Patient Age
69.4 years
Avg HCC Risk Score
0.58

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Losartan Potassium
29
Atorvastatin Calcium
17
Pravastatin Sodium
17
Rosuvastatin Calcium
17
Hydrochlorothiazide
15
Esomeprazole Magnesium
14
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
12
Invokana
Canagliflozin
11
Janumet
Sitagliptin Phos/Metformin Hcl
11

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

Emergency Medicine Physician Overview

How BRYAN BARRILLEAUX, MD fits within the Emergency Medicine Physician landscape nationally.

64,398
Emergency Medicine Physician Providers in US
56
States with Emergency Medicine Physician
352
Avg Claims per Provider

BRYAN BARRILLEAUX, MD's 305 claims are below the specialty average of 352.

Nearby Emergency Medicine Physician Providers in Louisiana

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

Compare Emergency Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is BRYAN BARRILLEAUX, MD's specialty?
BRYAN BARRILLEAUX, MD specializes in Emergency Medicine Physician and practices in LAKE CHARLES, Louisiana. Credentials: MD.
How much does BRYAN BARRILLEAUX, MD prescribe under Medicare Part D?
In 2023, BRYAN BARRILLEAUX, MD wrote 305 Medicare Part D claims totaling $35K in drug costs for 25 beneficiaries.
Where is BRYAN BARRILLEAUX, MD located?
BRYAN BARRILLEAUX, MD is located at 643 S RYAN ST, LAKE CHARLES, LA, 70601. Phone: (337) 439-2000.
What is BRYAN BARRILLEAUX, MD's NPI number?
BRYAN BARRILLEAUX, MD's National Provider Identifier (NPI) is 1821080615, issued on 08/17/2005.
Does BRYAN BARRILLEAUX, MD prescribe more brand-name or generic drugs?
BRYAN BARRILLEAUX, MD's prescribing is 15% brand-name and 85% generic drugs by claim count, with $31K in brand drug costs.
Does BRYAN BARRILLEAUX, MD prescribe opioids?
Yes, BRYAN BARRILLEAUX, MD had 12 opioid claims in 2023 with an opioid prescribing rate of 3.9%.
How many Emergency Medicine Physician providers are there in the US?
There are 64,398 Emergency Medicine Physician providers across 56 states in the US. The average Emergency Medicine Physician provider writes 352 Medicare Part D claims per year.
What drugs does BRYAN BARRILLEAUX, MD prescribe most often?
Based on 2023 Medicare Part D data, BRYAN BARRILLEAUX, MD's most frequently prescribed drugs include Losartan Potassium, Atorvastatin Calcium, Pravastatin Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does BRYAN BARRILLEAUX, MD accept Medicare?
BRYAN BARRILLEAUX, MD appears in CMS Medicare data with 305 Part D claims and 25 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify BRYAN BARRILLEAUX, MD's credentials?
BRYAN BARRILLEAUX, MD's NPI is 1821080615 with credentials MD. 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