Dr. Patrick Rene Showalter, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kauaʻi Medical Clinic - ʻEleʻele
Urgent Care Center · Honolulu, Hawaii
Find Dr. Showalter's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1558343830NPI Registry (opens in a new tab)
- 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
- Get number
- 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 - ʻEleʻele1946 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.
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.
| Site | EHR vendor and product |
|---|---|
| Kauaʻi Medical Clinic - ʻEleʻele | Available with a free account |
| +6 more sites and 5 medical groups | Available 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, TennesseePrimary
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.
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.
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.
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.
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
- High blood pressure75%
- High cholesterol72%
- Arthritis47%
- Ischemic heart disease45%
- Chronic kidney disease41%
- Diabetes36%
- Heart failure34%
- 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.
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.
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
- 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.
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.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick Rene Showalter's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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).
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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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