Dr. Charles William Lewsadder, DO
- Medicare services, 2024
- 116
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 104
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 999 San Bernardino Road, Upland, CA 91786
- Practice phone
- Call (909) 985-2811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lewsadder'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. Charles William Lewsadder is an emergency medicine physician in Upland, California
Dr. Lewsadder practices at San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital.
Dr. Lewsadder's NPI, 1578145173, was assigned on April 22, 2021. Dr. Lewsadder graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2021. Dr. Lewsadder holds California license 20324.
- NPI
- 1578145173NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395116776
- NPI enumeration date
- April 22, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 985-2811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles William Lewsadder practices at San Antonio Regional Hospital in Upland, California
Dr. Lewsadder's primary practice is San Antonio Regional Hospital, at 999 San Bernardino Road, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 985-2811.
- San Antonio Regional Hospital999 San Bernardino Road, Upland, CA 91786 · San Bernardino CountyPhone(909) 985-2811
Source: Dmand AI Affiliation Data
Dr. Charles William Lewsadder is affiliated with 2 sites of care and 4 medical groups
Dr. Lewsadder's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dr. Lewsadder is also affiliated with Riverside University Health System - Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Lewsadder to 3 more medical groups, 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. Charles William Lewsadder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewsadder practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Antonio Regional Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles William Lewsadder is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Lewsadder's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lewsadder is board certified in 2022 - 2026 by the CA State License. Dr. Lewsadder is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Lewsadder
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. Charles William Lewsadder billed Medicare for 116 services in 2024
CMS data shows 116 Medicare services from Dr. Lewsadder across 4 procedure codes in 2024, for 102 Medicare patients. Medicare paid $10,669 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lewsadder's Medicare services by type, 2024
- Office and hospital visits77
- Tests and treatments24
- Imaging15
Dr. Lewsadder compared with the California median for emergency medicine physicians, 2024
- Dr. Lewsadder
- California median
- Medicare services
- 116vs 26556% below
- Medicare patients
- 102vs 24358% below
- Part D claims
- 13vs 6279% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Lewsadder'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewsadder and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles William Lewsadder treated 102 Medicare patients in 2024, average age 71
CMS counts 102 Medicare patients who saw Dr. Lewsadder in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 60% have high cholesterol. 78% are also on Medicaid. Their average risk score is 2.69, 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. Lewsadder's median patient age at 48, with 57% women.
Dr. Lewsadder's Medicare patients by age, 2024
Dr. Lewsadder's Medicare patients by sex, 2024
- Women6160%
- Men4140%
Chronic conditions among Dr. Lewsadder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol60%
- Arthritis50%
- Diabetes50%
- Chronic kidney disease48%
- Mood disorders42%
- Heart failure41%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewsadder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles William Lewsadder wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Lewsadder wrote 104 Medicare Part D claims for 71 patients. 88% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $86 in total drug cost.
Dr. Lewsadder's Part D claims by kind of drug, 2024
- Generic92 claims88%
- Brand-name12 claims12%
Dr. Lewsadder'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. Lewsadder's Part D claims, 2024
- Antibiotics27%28 of 104 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Dr. Charles William Lewsadder scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Lewsadder for performance year 2024, reported as part of a group. Dr. Lewsadder accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lewsadder's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles William Lewsadder received $20 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Lewsadder from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $20.
Companies that paid Dr. Lewsadder the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles William Lewsadder graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
Dr. Lewsadder graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2021.
- Medical school
- Board certified in 2022 - 2026
Source: Dmand AI Professional Profile Data
Dr. Charles William Lewsadder accepts plans from 1 insurance carrier
Dr. Lewsadder is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles William Lewsadder'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Charles William Lewsadder
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. Charles William Lewsadder's NPI number?
Dr. Charles William Lewsadder's NPI number is 1578145173. It was assigned on April 22, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles William Lewsadder?
Dr. Charles William Lewsadder is an emergency medicine physician in Upland, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Charles William Lewsadder practice?
Dr. Lewsadder practices at 999 San Bernardino Road, Upland, CA 91786. Dr. Lewsadder's primary practice is San Antonio Regional Hospital in Upland, California, part of San Antonio Regional Hospital. Dmand AI also links Dr. Lewsadder to 3 medical groups.
What is Dr. Charles William Lewsadder's office phone number?
The practice phone on file for Dr. Lewsadder is (909) 985-2811.
What is Dr. Charles William Lewsadder's medical license number?
Dr. Lewsadder holds California license 20324.
Which hospitals is Dr. Charles William Lewsadder affiliated with?
Dr. Lewsadder practices at San Antonio Regional Hospital in Upland, California. Dr. Lewsadder is also affiliated with Riverside University Health System - Medical Center.
What medical group is Dr. Charles William Lewsadder part of?
Dr. Lewsadder is linked to Vituity. Dmand AI links Dr. Lewsadder to 3 more medical groups.
Does Dr. Charles William Lewsadder accept Medicare?
Yes. CMS data shows Dr. Lewsadder billed Medicare for 116 services in 2024, and Dr. Lewsadder accepts Medicare assignment.
What is Dr. Charles William Lewsadder's MIPS score?
Dr. Lewsadder's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles William Lewsadder see?
CMS counts 102 Medicare patients who saw Dr. Lewsadder in 2024, with an average age of 71.
Show 7 more questionsShow fewer questions
Is Dr. Charles William Lewsadder board certified?
Yes. Dr. Lewsadder is board certified in 2022 - 2026 by the CA State License.
What services does Dr. Charles William Lewsadder bill to Medicare?
In 2024, Dr. Lewsadder's most billed Medicare services were emergency department visit (99285), heart test or procedure (93308) and ultrasound (76604).
Where did Dr. Charles William Lewsadder go to medical school?
Dr. Lewsadder graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2021.
What drugs does Dr. Charles William Lewsadder prescribe most?
In 2024 Medicare Part D data, Dr. Lewsadder's most prescribed drugs by claims were Cephalexin.
Has Dr. Charles William Lewsadder received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Lewsadder from 1 company from 2024 to 2024. The largest total came from Inari Medical, Inc.
How long has Dr. Charles William Lewsadder been practicing?
Dr. Lewsadder graduated from medical school in 2021, 5 years ago.
What insurance does Dr. Charles William Lewsadder accept?
Dr. Lewsadder is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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