2026 NPPES data Pharmacist NPI 1598431553 RPH
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THOMAS DUYCK, RPH

Pharmacist in PLUMMER, 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
13
Medicare Part D claims · 11 beneficiaries · Pharmacist avg: 135
What the federal data reveals: THOMAS DUYCK, RPH is a Pharmacist ([object Object]) practicing in PLUMMER, Idaho with a Medicare Part D prescribing footprint of 13 claims across 11 beneficiaries .

What stands out: THOMAS DUYCK, RPH filed 13 Medicare Part D claims in 2023 across PLUMMER, Idaho. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

THOMAS DUYCK, RPH at a glance

Quality data not reported

NPI registry status

Active

Issued 08/19/2021

NPI 1598431553

Primary specialty

Pharmacist

High-volume

290,447 US NPIs in this specialty

Medicare Part D claims

13 90% vs specialty avg

2023 prescription claims

Specialty avg: 135

Specialty distribution in Idaho

How Pharmacist compares to other specialties among Idaho providers

Idaho providers

Pharmacist share within Idaho

1. Pharmacist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Pharmacist share within Idaho

Specialty board-certification context

Estimated specialty board-certified rate — Pharmacist (ABMS / AOA reference)

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

Est. board-certified rate (Pharmacist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Pharmacist) — 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).

THOMAS DUYCK, RPH is a Pharmacist provider practicing in PLUMMER, Idaho, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: RPH. NPI: 1598431553. 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.

THOMAS DUYCK, RPH appears in the CMS NPPES registry as a Pharmacist provider holding RPH credentials at 427 12TH ST, PLUMMER, ID, 83851, with a listed phone of (208) 686-1931. NPI 1598431553 was issued on 08/19/2021. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what DUYCK 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 13 prescription claims written by this provider, covering 11 Medicare beneficiaries and totaling roughly $8K 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.

Pharmacist is a high-volume specialty nationwide, with 290,447 enrolled providers across 56 states and an average of 135 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

427 12TH ST
PLUMMER, ID 83851

Provider Details

NPI 1598431553
Specialty Pharmacist
Credentials RPH
Gender Male
NPI Issued 08/19/2021

Medicare Part D Prescribing Data

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

13
Total Claims
$8K
Total Drug Cost
11
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
13
Total Day Supply
125

Patient Demographics

Average Patient Age
70.2 years
Avg HCC Risk Score
0.66

Pharmacist Overview

How THOMAS DUYCK, RPH fits within the Pharmacist landscape nationally.

290,447
Pharmacist Providers in US
56
States with Pharmacist
135
Avg Claims per Provider

THOMAS DUYCK, RPH's 13 claims are below the specialty average of 135.

Nearby Pharmacist Providers in Idaho

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

Compare Pharmacist nationally: see state-by-state distribution →

Frequently Asked Questions

What is THOMAS DUYCK, RPH's specialty?
THOMAS DUYCK, RPH specializes in Pharmacist and practices in PLUMMER, Idaho. Credentials: RPH.
How much does THOMAS DUYCK, RPH prescribe under Medicare Part D?
In 2023, THOMAS DUYCK, RPH wrote 13 Medicare Part D claims totaling $8K in drug costs for 11 beneficiaries.
Where is THOMAS DUYCK, RPH located?
THOMAS DUYCK, RPH is located at 427 12TH ST, PLUMMER, ID, 83851. Phone: (208) 686-1931.
What is THOMAS DUYCK, RPH's NPI number?
THOMAS DUYCK, RPH's National Provider Identifier (NPI) is 1598431553, issued on 08/19/2021.
How many Pharmacist providers are there in the US?
There are 290,447 Pharmacist providers across 56 states in the US. The average Pharmacist provider writes 135 Medicare Part D claims per year.
Does THOMAS DUYCK, RPH accept Medicare?
THOMAS DUYCK, RPH appears in CMS Medicare data with 13 Part D claims and 11 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify THOMAS DUYCK, RPH's credentials?
THOMAS DUYCK, RPH's NPI is 1598431553 with credentials RPH. 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