Dr. Joseph D. Lewis IV, MD
- Medicare services, 2024
- 71
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 178
- Hospital affiliations
- 2
- Medical groups
- 4
- Practice address
- 1 Kamani Street, Pahala, HI 96777
- Practice phone
- Call (808) 932-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lewis' professional email, personal email and mobile number
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Dr. Joseph D. Lewis IV is an emergency medicine physician in Pahala, Hawaii
Dr. Lewis practices at Ka'u Hospital in Pahala, Hawaii, part of State of Hawaiʻi.
Dr. Lewis' NPI, 1225067820, was assigned on July 3, 2006. Dr. Lewis graduated from Northeastern Ohio University College of Medicine in 1983. Dr. Lewis holds Hawaii license MD5830.
- NPI
- 1225067820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264477330
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 932-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph D. Lewis IV practices at Ka'u Hospital in Pahala, Hawaii
Dr. Lewis' primary practice is Ka'u Hospital, at 1 Kamani Street, Pahala, HI 96777 in Hawaii County. The practice phone is (808) 932-4200.
- Ka'u Hospital1 Kamani Street, Pahala, HI 96777 · Hawaii CountyPhone(808) 932-4200
Source: Dmand AI Affiliation Data
Dr. Joseph D. Lewis IV is affiliated with 3 sites of care and 4 medical groups
Dr. Lewis' primary practice is Ka'u Hospital in Pahala, Hawaii, part of State of Hawaiʻi. Dr. Lewis is also affiliated with Pali Momi Medical Center. The medical group on file is Ka'u Hospital. Dmand AI also links Dr. Lewis to 3 more medical groups and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph D. Lewis IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ka'u Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph D. Lewis IV is one of 393 emergency medicine physicians in Hawaii
Emergency medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lewis is licensed in Hawaii.
Specialties and state licenses
- Emergency medicine, HawaiiPrimary
Emergency medicine physicians near Dr. Lewis
Counts of emergency medicine physicians 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. Joseph D. Lewis IV billed Medicare for 71 services in 2024
CMS data shows 71 Medicare services from Dr. Lewis across 2 procedure codes in 2024, for 58 Medicare patients. Medicare paid $6,437 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lewis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1152024: 7138%
Dr. Lewis compared with the Hawaii median for emergency medicine physicians, 2024
- Dr. Lewis
- Hawaii median
- Medicare services
- 71vs 22969% below
- Medicare patients
- 58vs 20472% below
- Part D claims
- 15vs 7279% below
Medians across 378 emergency medicine physicians in Hawaii with Dmand AI profiles that report each measure.
Dr. Lewis' 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph D. Lewis IV treated 58 Medicare patients in 2024, average age 74
CMS counts 58 Medicare patients who saw Dr. Lewis in 2024. The largest group is 75 to 84, with 26 patients. 64% of them have high blood pressure, and 59% have high cholesterol. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 45, with 54% women.
Dr. Lewis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lewis' Medicare patients by sex, 2024
- Women3052%
- Men2848%
Chronic conditions among Dr. Lewis' Medicare patients, 2024
- High blood pressure64%
- High cholesterol59%
- Arthritis40%
- COPD26%
- Chronic kidney disease24%
- Diabetes22%
- Asthma21%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph D. Lewis IV wrote 178 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 178 Medicare Part D claims for 60 patients. 81% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $151 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic145 claims81%
- Brand-name33 claims19%
Dr. Lewis' 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. Lewis' Part D claims, 2024
- Opioids11%20 of 178 claims
- Antibiotics15%27 of 178 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: 462024: 1567%
Drugs named by CMS: 1 in 2024, 3 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. Joseph D. Lewis IV takes part in Medicare
Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 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. Joseph D. Lewis IV graduated from Northeastern Ohio University College of Medicine
Dr. Lewis graduated from Northeastern Ohio University College of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph D. Lewis IV'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) |
| 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. Joseph D. Lewis IV
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. Joseph D. Lewis IV's NPI number?
Dr. Joseph D. Lewis IV's NPI number is 1225067820. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph D. Lewis IV?
Dr. Joseph D. Lewis IV is an emergency medicine physician in Pahala, Hawaii. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Joseph D. Lewis IV practice?
Dr. Lewis practices at 1 Kamani Street, Pahala, HI 96777. Dr. Lewis' primary practice is Ka'u Hospital in Pahala, Hawaii, part of State of Hawaiʻi. Dmand AI also links Dr. Lewis to 3 medical groups and 1 clinical lab.
What is Dr. Joseph D. Lewis IV's office phone number?
The practice phone on file for Dr. Lewis is (808) 932-4200.
What is Dr. Joseph D. Lewis IV's medical license number?
Dr. Lewis holds Hawaii license MD5830.
Which hospitals is Dr. Joseph D. Lewis IV affiliated with?
Dr. Lewis practices at Ka'u Hospital in Pahala, Hawaii. Dr. Lewis is also affiliated with Pali Momi Medical Center.
What medical group is Dr. Joseph D. Lewis IV part of?
Dr. Lewis is linked to Ka'u Hospital. Dmand AI links Dr. Lewis to 3 more medical groups.
Does Dr. Joseph D. Lewis IV accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 71 services in 2024, and Dr. Lewis accepts Medicare assignment.
How many Medicare patients does Dr. Joseph D. Lewis IV see?
CMS counts 58 Medicare patients who saw Dr. Lewis in 2024, with an average age of 74.
What services does Dr. Joseph D. Lewis IV bill to Medicare?
In 2024, Dr. Lewis' most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
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Where did Dr. Joseph D. Lewis IV go to medical school?
Dr. Lewis graduated from Northeastern Ohio University College of Medicine in 1983.
What drugs does Dr. Joseph D. Lewis IV prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Levothyroxine Sodium.
How long has Dr. Joseph D. Lewis IV been practicing?
Dr. Lewis graduated from medical school in 1983, 43 years ago.
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