2026 NPPES data Adult Medicine Physician NPI 1962450296 M.D.
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KENNETH KANESHIRO, M.D.

Adult Medicine Physician in MASON, Michigan. 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
4K
Medicare Part D claims · 336 beneficiaries · Adult Medicine Physician avg: 3K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: KENNETH KANESHIRO, M.D. is a Adult Medicine Physician ([object Object]) practicing in MASON, Michigan with a Medicare Part D prescribing footprint of 4K claims across 336 beneficiaries — 11% brand-name prescribing .

What stands out: KENNETH KANESHIRO, M.D. filed 4,053 Medicare Part D claims in 2023 across MASON, Michigan. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

KENNETH KANESHIRO, 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).

KENNETH KANESHIRO, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 05/05/2006

NPI 1962450296

Primary specialty

Adult Medicine Physician

Niche

2,481 US NPIs in this specialty

Medicare Part D claims

4,053 44% vs specialty avg

2023 prescription claims

Specialty avg: 2,807

Specialty distribution in Michigan

How Adult Medicine Physician compares to other specialties among Michigan providers

Michigan providers

Adult Medicine Physician share within Michigan

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

Specialty board-certification context

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

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

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

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

KENNETH KANESHIRO, M.D. is a Adult Medicine Physician provider practicing in MASON, Michigan, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1962450296. 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.

KENNETH KANESHIRO, M.D. appears in the CMS NPPES registry as a Adult Medicine Physician provider holding M.D. credentials at 230 TEMPLE ST, MASON, MI, 48854, with a listed phone of (517) 676-9066. NPI 1962450296 was issued on 05/05/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KANESHIRO 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 4,053 prescription claims written by this provider, covering 336 Medicare beneficiaries and totaling roughly $326K in drug spend, split 11% brand-name and 89% 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.

Adult Medicine Physician is a narrow specialty nationwide, with 2,481 enrolled providers across 52 states and an average of 2,807 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

230 TEMPLE ST
MASON, MI 48854

Provider Details

NPI 1962450296
Specialty Adult Medicine Physician
Credentials M.D.
Gender Male
NPI Issued 05/05/2006

License & disciplinary context — Michigan MI-BOM 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~41K Michigan medical licensees in 2023 — they are NOT specific to KENNETH KANESHIRO, M.D.. To verify KENNETH KANESHIRO, M.D.'s current license status, search the MI-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

123
Total board actions, Michigan 2023
Across 120 cases
3.00
Actions per 1,000 licensees
Michigan statewide rate
probation
Most common action type
44 cases

MI-BOM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Michigan disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

KENNETH KANESHIRO, M.D. — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 4,053 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.

4,053
Total Claims
$326K
Total Drug Cost
336
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
9,255
Total Day Supply
273,025
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$230K
Generic Drug Cost
$94K
Opioid Claims
157 (3.9% rate)
Antibiotic Claims
40

Patient Demographics

Average Patient Age
72.8 years
Avg HCC Risk Score
1.04
Gender Split
42% female / 58% male
Age Distribution
<65: 24, 65-74: 184, 75-84: 105, 85+: 23

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Atorvastatin Calcium
284
Levothyroxine Sodium
220
Lisinopril
183
Amlodipine Besylate
146
Losartan Potassium
146
Metformin Hcl
138
Hydrochlorothiazide
108
Omeprazole
108
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
104
Gabapentin
92

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

Adult Medicine Physician Overview

How KENNETH KANESHIRO, M.D. fits within the Adult Medicine Physician landscape nationally.

2,481
Adult Medicine Physician Providers in US
52
States with Adult Medicine Physician
2,807
Avg Claims per Provider

KENNETH KANESHIRO, M.D.'s 4,053 claims are above the specialty average of 2,807.

Nearby Adult Medicine Physician Providers in Michigan

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

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

Frequently Asked Questions

What is KENNETH KANESHIRO, M.D.'s specialty?
KENNETH KANESHIRO, M.D. specializes in Adult Medicine Physician and practices in MASON, Michigan. Credentials: M.D..
How much does KENNETH KANESHIRO, M.D. prescribe under Medicare Part D?
In 2023, KENNETH KANESHIRO, M.D. wrote 4,053 Medicare Part D claims totaling $326K in drug costs for 336 beneficiaries.
Where is KENNETH KANESHIRO, M.D. located?
KENNETH KANESHIRO, M.D. is located at 230 TEMPLE ST, MASON, MI, 48854. Phone: (517) 676-9066.
What is KENNETH KANESHIRO, M.D.'s NPI number?
KENNETH KANESHIRO, M.D.'s National Provider Identifier (NPI) is 1962450296, issued on 05/05/2006.
Does KENNETH KANESHIRO, M.D. prescribe more brand-name or generic drugs?
KENNETH KANESHIRO, M.D.'s prescribing is 11% brand-name and 89% generic drugs by claim count, with $230K in brand drug costs.
Does KENNETH KANESHIRO, M.D. prescribe opioids?
Yes, KENNETH KANESHIRO, M.D. had 157 opioid claims in 2023 with an opioid prescribing rate of 3.9%.
How many Adult Medicine Physician providers are there in the US?
There are 2,481 Adult Medicine Physician providers across 52 states in the US. The average Adult Medicine Physician provider writes 2,807 Medicare Part D claims per year.
What drugs does KENNETH KANESHIRO, M.D. prescribe most often?
Based on 2023 Medicare Part D data, KENNETH KANESHIRO, M.D.'s most frequently prescribed drugs include Atorvastatin Calcium, Levothyroxine Sodium, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does KENNETH KANESHIRO, M.D. accept Medicare?
KENNETH KANESHIRO, M.D. appears in CMS Medicare data with 4,053 Part D claims and 336 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KENNETH KANESHIRO, M.D.'s credentials?
KENNETH KANESHIRO, M.D.'s NPI is 1962450296 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