2026 NPPES data Family Medicine Physician NPI 1255437232 M.D.
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YASUSHI HORI, M.D.

Family Medicine Physician in HONOLULU, Hawaii. 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
1K
Medicare Part D claims · 254 beneficiaries · Family Medicine Physician avg: 3K
Generic prescribing
92%
generic claims · 8% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

YASUSHI HORI, M.D. filed 1,229 Medicare Part D claims in 2023 as a Family Medicine Physician in HONOLULU, Hawaii, prescribing 92% generic.

1K
Part D claims, 2023
92%
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.

YASUSHI HORI, M.D.'s Medicare Part D volume vs every U.S. prescriber

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

1,229 Top 22% higher than 78% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). This entry sits in this band. 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)

YASUSHI HORI, M.D. 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 YASUSHI HORI, M.D.?

Quality data not reported

NPI registry status

Active

Issued 09/16/2006

NPI 1255437232

Primary specialty

Family Medicine Physician

High-volume

147,640 US NPIs in this specialty

Medicare Part D claims

1,229 64% vs specialty avg

2023 prescription claims

Specialty avg: 3,418

Specialty distribution in Hawaii

How Family Medicine Physician compares to other specialties among Hawaii providers

Hawaii providers

Family Medicine Physician share within Hawaii

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

Specialty board-certification context

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

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

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

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

YASUSHI HORI, M.D. appears in the CMS NPPES registry as a Family Medicine Physician provider holding M.D. credentials at 2155 KALAKAUA AVE, HONOLULU, HI, 96815, with a listed phone of (808) 924-3399. NPI 1255437232 was issued on 09/16/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what HORI 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 1,229 prescription claims written by this provider, covering 254 Medicare beneficiaries and totaling roughly $79K in drug spend, split 8% brand-name and 92% generic by claim count, with an opioid prescribing rate of 1.0%. 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.

Family Medicine Physician is a high-volume specialty nationwide, with 147,640 enrolled providers across 56 states and an average of 3,418 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

2155 KALAKAUA AVE
HONOLULU, HI 96815

Provider Details

NPI 1255437232
Specialty Family Medicine Physician
Credentials M.D.
Gender Male
NPI Issued 09/16/2006

Brand vs generic prescribing mix · Generic-heavy

YASUSHI HORI, M.D. — brand share 8.0%
Specialty average (est.)

8% brand-name claims vs 92% generic, on 1,229 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.

1,229
Total Claims
$79K
Total Drug Cost
254
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,783
Total Day Supply
77,033
Brand vs Generic
8% brand / 92% generic
Brand Drug Cost
$56K
Generic Drug Cost
$22K
Opioid Claims
12 (1.0% rate)
Antibiotic Claims
135

Patient Demographics

Average Patient Age
74.4 years
Avg HCC Risk Score
0.70
Gender Split
52% female / 48% male

Top Prescribed Drugs (Medicare Part D)

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

What YASUSHI HORI, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Atorvastatin Calcium
150
Amlodipine Besylate
72
Lisinopril-Hydrochlorothiazide
Lisinopril/Hydrochlorothiazide
57
Metformin Hcl
43
Azithromycin
39
Levothyroxine Sodium
38
Tamsulosin Hcl
36
Simvastatin
34
Alendronate Sodium
30
Lisinopril
30

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

Family Medicine Physician Overview

How YASUSHI HORI, M.D. fits within the Family Medicine Physician landscape nationally.

147,640
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider

YASUSHI HORI, M.D.'s 1,229 claims are below the specialty average of 3,418.

Nearby Family Medicine Physician Providers in Hawaii

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

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

Frequently Asked Questions

What is YASUSHI HORI, M.D.'s specialty?
YASUSHI HORI, M.D. specializes in Family Medicine Physician and practices in HONOLULU, Hawaii. Credentials: M.D..
How much does YASUSHI HORI, M.D. prescribe under Medicare Part D?
In 2023, YASUSHI HORI, M.D. wrote 1,229 Medicare Part D claims totaling $79K in drug costs for 254 beneficiaries.
Where is YASUSHI HORI, M.D. located?
YASUSHI HORI, M.D. is located at 2155 KALAKAUA AVE, HONOLULU, HI, 96815. Phone: (808) 924-3399.
What is YASUSHI HORI, M.D.'s NPI number?
YASUSHI HORI, M.D.'s National Provider Identifier (NPI) is 1255437232, issued on 09/16/2006.
Does YASUSHI HORI, M.D. prescribe more brand-name or generic drugs?
YASUSHI HORI, M.D.'s prescribing is 8% brand-name and 92% generic drugs by claim count, with $56K in brand drug costs.
Does YASUSHI HORI, M.D. prescribe opioids?
Yes, YASUSHI HORI, M.D. had 12 opioid claims in 2023 with an opioid prescribing rate of 1.0%.
How many Family Medicine Physician providers are there in the US?
There are 147,640 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does YASUSHI HORI, M.D. prescribe most often?
Based on 2023 Medicare Part D data, YASUSHI HORI, M.D.'s most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Lisinopril-Hydrochlorothiazide. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does YASUSHI HORI, M.D. accept Medicare?
YASUSHI HORI, M.D. appears in CMS Medicare data with 1,229 Part D claims and 254 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify YASUSHI HORI, M.D.'s credentials?
YASUSHI HORI, M.D.'s NPI is 1255437232 with credentials M.D.. 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