Dr. Patrick Rene Showalter, MD

  • Honolulu, HI
  • Urologist
NPI1558343830PAC ID4183725229
Medicare services, 2024
103
Medicare patients, 2024
58
Part D claims, 2024
94
Hospital affiliations
4
Industry payments
$4,628
Practice address
1946 Young St, Honolulu, HI 96826
Practice phone
Call (808) 335-0499
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kauaʻi Medical Clinic - ʻEleʻele

Urgent Care Center · Honolulu, Hawaii

See all 13 affiliations

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Dr. Patrick Rene Showalter is a urologist in Honolulu, Hawaii

Dr. Showalter practices at Kauaʻi Medical Clinic - ʻEleʻele in Honolulu, Hawaii.

Dr. Showalter's NPI, 1558343830, was assigned on November 14, 2005. Dr. Showalter graduated from Vanderbilt University School of Medicine in 1996. Dr. Showalter holds Tennessee license MD0000036172.

NPI and contact details
Medicare PAC ID
4183725229
NPI enumeration date
November 14, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(808) 335-0499
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Patrick Rene Showalter practices at Kauaʻi Medical Clinic - ʻEleʻele in Honolulu, Hawaii

Dr. Showalter's primary practice is Kauaʻi Medical Clinic - ʻEleʻele, at 1946 Young St, Honolulu, HI 96826. The practice phone is (808) 335-0499.

  • Kauaʻi Medical Clinic - ʻEleʻele
    1946 Young St, Honolulu, HI 96826Phone(808) 335-0499

Source: Dmand AI Affiliation Data

Dr. Patrick Rene Showalter is affiliated with 7 sites of care and 6 medical groups

Dr. Showalter's primary practice is Kauaʻi Medical Clinic - ʻEleʻele in Honolulu, Hawaii. Dr. Showalter is also affiliated with Bristol Regional Medical Center. The medical group on file is Kauaʻi Medical Clinic. Dmand AI also links Dr. Showalter to 3 more hospitals, 5 medical groups and 2 group practices and clinics, each named with a free account. Dr. Showalter's employer is on file too: an urgent care center.

See all 13 affiliations for Dr. Showalter

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Patrick Rene Showalter's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Showalter practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kauaʻi Medical Clinic - ʻEleʻeleAvailable with a free account
+6 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick Rene Showalter is one of 55 urologists in Hawaii

Urology is Dr. Showalter's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Showalter is licensed in Tennessee.

Specialties and state licenses

  • Urology, TennesseePrimaryLicense MD0000036172 · taxonomy 208800000X

Urologists near Dr. Showalter

Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Patrick Rene Showalter billed Medicare for 103 services in 2024

CMS data shows 103 Medicare services from Dr. Showalter across 5 procedure codes in 2024, for 58 Medicare patients. Medicare paid $6,935 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024103
Medicare patients58
Paid by Medicare$6,935
Procedure codes5

Dr. Showalter's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2302024: 8961%
Surgery
2023: 742024: 1481%
Drugs given in the office
2023: 782024: 0100%
Lab and pathology
2023: 1042024: 0100%

Dr. Showalter compared with the Hawaii median for urologists, 2024

  • Dr. Showalter
  • Hawaii median
Medicare services
103vs 54881% below
Medicare patients
58vs 30481% below
Part D claims
59vs 89493% below

Medians across 51 urologists in Hawaii with Dmand AI profiles that report each measure.

Dr. Showalter's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Showalter

Need commercial claims for Dr. Showalter?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Showalter and other urologists in Hawaii.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Patrick Rene Showalter treated 58 Medicare patients in 2024, average age 73

CMS counts 58 Medicare patients who saw Dr. Showalter in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 72% have high cholesterol. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Showalter's median patient age at 72, with 30% women.

Medicare patients, 202458
Average age73
Average risk score1.79

Dr. Showalter's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Showalter's Medicare patients by sex, 2024

  • Women2645%
  • Men3255%

Chronic conditions among Dr. Showalter's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis47%
  4. Ischemic heart disease45%
  5. Chronic kidney disease41%
  6. Diabetes36%
  7. Heart failure34%
  8. Atrial fibrillation33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Showalter's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women30%
  • Men70%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Patrick Rene Showalter wrote 94 Medicare Part D claims in 2024

In 2024, Dr. Showalter wrote 94 Medicare Part D claims for 44 patients. 99% of them were for generic drugs. CMS names the drug for 59 of them, across 2 drugs with 11 or more claims each, at $765 in total drug cost. In 2023, CMS named 301 claims across 8 drugs.

Part D claims, 202494
Drugs named by CMS2
Total drug cost$765
Part D patients44

Dr. Showalter's Part D claims by kind of drug, 2024

  • Generic93 claims99%
  • Brand-name and other1 claims1%

Dr. Showalter's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Showalter's Part D claims, 2024

  • Antibiotics14%13 of 94 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3012024: 5980%

Drugs named by CMS: 2 in 2024, 8 in 2023.

See all prescribing by Dr. Showalter

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Patrick Rene Showalter takes part in Medicare

Dr. Showalter accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Patrick Rene Showalter received $4,628 in industry payments from 2016 to 2023

CMS Open Payments shows 191 general payments to Dr. Showalter from 29 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 79% of the total. Astellas Pharma US Inc paid the most, $1,244.

General payments to Dr. Showalter by program year, 2016 to 2023

General payments to Dr. Showalter by kind, 2016 to 2023

$4.6Kin total
  • Food and beverage$3,64779%
  • Travel and lodging$81718%
  • Education$1654%

Companies that paid Dr. Showalter the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Showalter

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Patrick Rene Showalter graduated from Vanderbilt University School of Medicine

Dr. Showalter graduated from Vanderbilt University School of Medicine in 1996.

  1. Medical schoolVanderbilt University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Patrick Rene Showalter's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Patrick Rene Showalter

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Patrick Rene Showalter's NPI number?

Dr. Patrick Rene Showalter's NPI number is 1558343830. It was assigned on November 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick Rene Showalter?

Dr. Patrick Rene Showalter is a urologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Patrick Rene Showalter practice?

Dr. Showalter practices at 1946 Young St, Honolulu, HI 96826. Dr. Showalter's primary practice is Kauaʻi Medical Clinic - ʻEleʻele in Honolulu, Hawaii. Dmand AI also links Dr. Showalter to 3 hospitals, 5 medical groups and 2 group practices and clinics.

What is Dr. Patrick Rene Showalter's office phone number?

The practice phone on file for Dr. Showalter is (808) 335-0499.

What is Dr. Patrick Rene Showalter's medical license number?

Dr. Showalter holds Tennessee license MD0000036172.

Which hospitals is Dr. Patrick Rene Showalter affiliated with?

Dr. Showalter is affiliated with Bristol Regional Medical Center. Dmand AI links Dr. Showalter to 3 more hospitals.

What medical group is Dr. Patrick Rene Showalter part of?

Dr. Showalter is linked to Kauaʻi Medical Clinic. Dmand AI links Dr. Showalter to 5 more medical groups.

Does Dr. Patrick Rene Showalter accept Medicare?

Yes. CMS data shows Dr. Showalter billed Medicare for 103 services in 2024, and Dr. Showalter accepts Medicare assignment.

How many Medicare patients does Dr. Patrick Rene Showalter see?

CMS counts 58 Medicare patients who saw Dr. Showalter in 2024, with an average age of 73.

What services does Dr. Patrick Rene Showalter bill to Medicare?

In 2024, Dr. Showalter's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and hospital inpatient care (99232).

Show 4 more questionsShow fewer questions

Where did Dr. Patrick Rene Showalter go to medical school?

Dr. Showalter graduated from Vanderbilt University School of Medicine in 1996.

What drugs does Dr. Patrick Rene Showalter prescribe most?

In 2024 Medicare Part D data, Dr. Showalter's most prescribed drugs by claims were Tamsulosin HCl and Finasteride.

Has Dr. Patrick Rene Showalter received payments from drug or device companies?

CMS Open Payments shows $4,628 in general payments to Dr. Showalter from 29 companies from 2016 to 2023. The largest total came from Astellas Pharma US Inc.

How long has Dr. Patrick Rene Showalter been practicing?

Dr. Showalter graduated from medical school in 1996, 30 years ago.

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