2026 NPPES data Medical Physician Assistant NPI 1528429172
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BRETT BEMIS

Medical Physician Assistant in CALDWELL, Idaho. 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
294
Medicare Part D claims · 159 beneficiaries · Medical Physician Assistant avg: 1K
Generic prescribing
95%
generic claims · 5% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: BRETT BEMIS is a Medical Physician Assistant ([object Object]) practicing in CALDWELL, Idaho with a Medicare Part D prescribing footprint of 294 claims across 159 beneficiaries — 5% brand-name prescribing .

What stands out: BRETT BEMIS filed 294 Medicare Part D claims in 2023 across CALDWELL, Idaho. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

BRETT BEMIS at a glance

Quality data not reported

NPI registry status

Active

Issued 03/10/2016

NPI 1528429172

Primary specialty

Medical Physician Assistant

Mid-sized

40,527 US NPIs in this specialty

Medicare Part D claims

294 73% vs specialty avg

2023 prescription claims

Specialty avg: 1,077

Specialty distribution in Idaho

How Medical Physician Assistant compares to other specialties among Idaho providers

Idaho providers

Medical Physician Assistant share within Idaho

1. Medical Physician Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Medical Physician Assistant share within Idaho

Specialty board-certification context

Estimated specialty board-certified rate — Medical Physician Assistant (ABMS / AOA reference)

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

Est. board-certified rate (Medical Physician Assistant) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Medical Physician Assistant) — 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).

BRETT BEMIS is a Medical Physician Assistant provider practicing in CALDWELL, Idaho, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1528429172. 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.

BRETT BEMIS appears in the CMS NPPES registry as a Medical Physician Assistant provider at 1717 ARLINGTON AVE, CALDWELL, ID, 83605, with a listed phone of (208) 459-4641. NPI 1528429172 was issued on 03/10/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BEMIS 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 294 prescription claims written by this provider, covering 159 Medicare beneficiaries and totaling roughly $4K in drug spend, split 5% brand-name and 95% generic by claim count, with an opioid prescribing rate of 12.9%. 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.

Medical Physician Assistant is a mid-sized specialty nationwide, with 40,527 enrolled providers across 55 states and an average of 1,077 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

1717 ARLINGTON AVE
CALDWELL, ID 83605

Provider Details

NPI 1528429172
Specialty Medical Physician Assistant
Gender Male
NPI Issued 03/10/2016

Hospital and facility affiliations

Facilities where BRETT BEMIS 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.

ST LUKES CLINIC-TREASURE VALLEY LLC
EAGLE, ID

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

BRETT BEMIS — brand share 5.0%
Specialty average (est.)

5% brand-name claims vs 95% generic, on 294 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.

294
Total Claims
$4K
Total Drug Cost
159
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
297
Total Day Supply
2,307
Brand vs Generic
5% brand / 95% generic
Brand Drug Cost
$2K
Generic Drug Cost
$2K
Opioid Claims
38 (12.9% rate)
Antibiotic Claims
74

Patient Demographics

Average Patient Age
67.7 years
Avg HCC Risk Score
1.61
Gender Split
64% female / 36% male
Age Distribution
<65: 47, 65-74: 57, 75-84: 41, 85+: 14

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Ondansetron Odt
Ondansetron
35
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
25
Cephalexin
21
Prednisone
15
Methocarbamol
11

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

Medical Physician Assistant Overview

How BRETT BEMIS fits within the Medical Physician Assistant landscape nationally.

40,527
Medical Physician Assistant Providers in US
55
States with Medical Physician Assistant
1,077
Avg Claims per Provider

BRETT BEMIS's 294 claims are below the specialty average of 1,077.

Nearby Medical Physician Assistant Providers in Idaho

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

Compare Medical Physician Assistant nationally: see state-by-state distribution →

Frequently Asked Questions

What is BRETT BEMIS's specialty?
BRETT BEMIS specializes in Medical Physician Assistant and practices in CALDWELL, Idaho.
How much does BRETT BEMIS prescribe under Medicare Part D?
In 2023, BRETT BEMIS wrote 294 Medicare Part D claims totaling $4K in drug costs for 159 beneficiaries.
Where is BRETT BEMIS located?
BRETT BEMIS is located at 1717 ARLINGTON AVE, CALDWELL, ID, 83605. Phone: (208) 459-4641.
What is BRETT BEMIS's NPI number?
BRETT BEMIS's National Provider Identifier (NPI) is 1528429172, issued on 03/10/2016.
Does BRETT BEMIS prescribe more brand-name or generic drugs?
BRETT BEMIS's prescribing is 5% brand-name and 95% generic drugs by claim count, with $2K in brand drug costs.
Does BRETT BEMIS prescribe opioids?
Yes, BRETT BEMIS had 38 opioid claims in 2023 with an opioid prescribing rate of 12.9%.
How many Medical Physician Assistant providers are there in the US?
There are 40,527 Medical Physician Assistant providers across 55 states in the US. The average Medical Physician Assistant provider writes 1,077 Medicare Part D claims per year.
What drugs does BRETT BEMIS prescribe most often?
Based on 2023 Medicare Part D data, BRETT BEMIS's most frequently prescribed drugs include Ondansetron Odt, Hydrocodone-Acetaminophen, Cephalexin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does BRETT BEMIS accept Medicare?
BRETT BEMIS appears in CMS Medicare data with 294 Part D claims and 159 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify BRETT BEMIS's credentials?
BRETT BEMIS's NPI is 1528429172. 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