2026 NPPES data Internal Medicine Physician NPI 1326114943 MD
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RICHARD APAU, MD

Internal Medicine Physician in HILLSBORO, Oregon. 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
96
Medicare Part D claims · 41 beneficiaries · Internal Medicine Physician avg: 3K
What the federal data reveals: RICHARD APAU, MD is a Internal Medicine Physician ([object Object]) practicing in HILLSBORO, Oregon with a Medicare Part D prescribing footprint of 96 claims across 41 beneficiaries .

What stands out: RICHARD APAU, MD filed 96 Medicare Part D claims in 2023 across HILLSBORO, Oregon. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

RICHARD APAU, 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).

RICHARD APAU, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 11/27/2006

NPI 1326114943

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

96 96% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in Oregon

How Internal Medicine Physician compares to other specialties among Oregon providers

Oregon providers

Internal Medicine Physician share within Oregon

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

Specialty board-certification context

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

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

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

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

RICHARD APAU, MD is a Internal Medicine Physician provider practicing in HILLSBORO, Oregon, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1326114943. 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.

RICHARD APAU, MD appears in the CMS NPPES registry as a Internal Medicine Physician provider holding MD credentials at 730 SE OAK STREET, HILLSBORO, OR, 97123, with a listed phone of (503) 693-1300. NPI 1326114943 was issued on 11/27/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what APAU 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 96 prescription claims written by this provider, covering 41 Medicare beneficiaries and totaling roughly $13K 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.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,858 enrolled providers across 56 states and an average of 2,716 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

730 SE OAK STREET
HILLSBORO, OR 97123

Provider Details

NPI 1326114943
Specialty Internal Medicine Physician
Credentials MD
Gender Male
NPI Issued 11/27/2006

Medicare Part D Prescribing Data

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

96
Total Claims
$13K
Total Drug Cost
41
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
190
Total Day Supply
5,634
Generic Drug Cost
$2K

Patient Demographics

Average Patient Age
76.4 years
Avg HCC Risk Score
1.32
Gender Split
46% female / 54% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Gabapentin
11

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

Internal Medicine Physician Overview

How RICHARD APAU, MD fits within the Internal Medicine Physician landscape nationally.

172,858
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

RICHARD APAU, MD's 96 claims are below the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in Oregon

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

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

Frequently Asked Questions

What is RICHARD APAU, MD's specialty?
RICHARD APAU, MD specializes in Internal Medicine Physician and practices in HILLSBORO, Oregon. Credentials: MD.
How much does RICHARD APAU, MD prescribe under Medicare Part D?
In 2023, RICHARD APAU, MD wrote 96 Medicare Part D claims totaling $13K in drug costs for 41 beneficiaries.
Where is RICHARD APAU, MD located?
RICHARD APAU, MD is located at 730 SE OAK STREET, HILLSBORO, OR, 97123. Phone: (503) 693-1300.
What is RICHARD APAU, MD's NPI number?
RICHARD APAU, MD's National Provider Identifier (NPI) is 1326114943, issued on 11/27/2006.
How many Internal Medicine Physician providers are there in the US?
There are 172,858 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does RICHARD APAU, MD prescribe most often?
Based on 2023 Medicare Part D data, RICHARD APAU, MD's most frequently prescribed drugs include Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does RICHARD APAU, MD accept Medicare?
RICHARD APAU, MD appears in CMS Medicare data with 96 Part D claims and 41 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify RICHARD APAU, MD's credentials?
RICHARD APAU, MD's NPI is 1326114943 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