Dr. Charissa Marie Rustia Carag, MD
- Medicare services, 2024
- 1,859
- Medicare patients, 2024
- 758
- Part D claims, 2024
- 141
- Hospital affiliations
- 5
- Industry payments
- $668
- Practice address
- 1294 S Jones Blvd, Las Vegas, NV 89146
- Practice phone
- Call (702) 877-1887
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nephrology & Endocrine Associates Inc
Las Vegas, Nevada
Find Dr. Carag'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. Charissa Marie Rustia Carag is an internist in Las Vegas, Nevada
Dr. Carag practices at Nephrology & Endocrine Associates Inc in Las Vegas, Nevada.
Dr. Carag's NPI, 1235570623, was assigned on July 13, 2013. Dr. Carag holds Illinois license 125-062589.
- NPI
- 1235570623NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072804483
- NPI enumeration date
- July 13, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (702) 877-1887
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charissa Marie Rustia Carag practices at Nephrology & Endocrine Associates Inc in Las Vegas, Nevada
Dr. Carag's primary practice is Nephrology & Endocrine Associates Inc, at 1294 S Jones Blvd, Las Vegas, NV 89146 in Clark County. The practice phone is (702) 877-1887.
- Nephrology & Endocrine Associates Inc1294 S Jones Blvd, Las Vegas, NV 89146 · Clark CountyPhone(702) 877-1887
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charissa Marie Rustia Carag is affiliated with 12 sites of care and 1 medical group
Dr. Carag's primary practice is Nephrology & Endocrine Associates Inc in Las Vegas, Nevada. Dr. Carag is also affiliated with Sunrise Hospital and Medical Center. The medical group on file is Kidney Specialists of Southern Nevada. Dmand AI also links Dr. Carag to 4 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charissa Marie Rustia Carag's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carag practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nephrology & Endocrine Associates Inc | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charissa Marie Rustia Carag is one of 1,019 internists in Nevada
Internal medicine is Dr. Carag's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Carag's licenses on file in 2 states: Illinois and Nevada.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Nephrology, Nevada
Internists near Dr. Carag
Counts of internists 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. Charissa Marie Rustia Carag billed Medicare for 1,859 services in 2024
CMS data shows 1,859 Medicare services from Dr. Carag across 10 procedure codes in 2024, for 758 Medicare patients. Medicare paid $166,923 for them.
Dr. Carag's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4302024: 1,67817%
- Tests and treatments
- 2023: 1422024: 1318%
- Other services
- 2023: 02024: 50
Where Dr. Carag's Medicare services took place, 2024
- In an office21211%
- In a facility1,64789%
Dr. Carag compared with the Nevada median for internists, 2024
- Dr. Carag
- Nevada median
- Medicare services
- 1,859vs 5203.6 times
- Medicare patients
- 758vs 1914.0 times
- Part D claims
- 23vs 36494% below
Medians across 935 internists in Nevada with Dmand AI profiles that report each measure.
Dr. Carag'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charissa Marie Rustia Carag treated 758 Medicare patients in 2024, average age 73
CMS counts 758 Medicare patients who saw Dr. Carag in 2024. The largest group is 75 to 84, with 251 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 39% are also on Medicaid. Their average risk score is 4.29, 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. Carag's median patient age at 64, with 44% women.
Dr. Carag's Medicare patients by age, 2024
Dr. Carag's Medicare patients by sex, 2024
- Women35146%
- Men40754%
Chronic conditions among Dr. Carag's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes70%
- Heart failure66%
- Ischemic heart disease63%
- Arthritis51%
- Atrial fibrillation47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Carag's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charissa Marie Rustia Carag wrote 141 Medicare Part D claims in 2024
In 2024, Dr. Carag wrote 141 Medicare Part D claims for 48 patients. 83% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $2,284 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Carag's Part D claims by kind of drug, 2024
- Generic117 claims83%
- Brand-name24 claims17%
Dr. Carag'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 2392%
Drugs named by CMS: 2 in 2024, 1 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
Dr. Charissa Marie Rustia Carag offers telehealth to Medicare patients
Dr. Carag accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Carag as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Charissa Marie Rustia Carag received $668 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Carag from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Travere Therapeutics, Inc. paid the most, $154.
General payments to Dr. Carag by program year, 2016 to 2025
Companies that paid Dr. Carag the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charissa Marie Rustia Carag'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Charissa Marie Rustia Carag
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. Charissa Marie Rustia Carag's NPI number?
Dr. Charissa Marie Rustia Carag's NPI number is 1235570623. It was assigned on July 13, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Charissa Marie Rustia Carag?
Dr. Charissa Marie Rustia Carag is an internist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charissa Marie Rustia Carag practice?
Dr. Carag practices at 1294 S Jones Blvd, Las Vegas, NV 89146. Dr. Carag's primary practice is Nephrology & Endocrine Associates Inc in Las Vegas, Nevada. Dmand AI also links Dr. Carag to 4 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Charissa Marie Rustia Carag's office phone number?
The practice phone on file for Dr. Carag is (702) 877-1887.
What is Dr. Charissa Marie Rustia Carag's medical license number?
Dr. Carag holds Illinois license 125-062589, one of the licenses on file in 2 states.
Which states has Dr. Charissa Marie Rustia Carag been licensed in?
Dmand AI has state licenses on file for Dr. Carag in Illinois and Nevada.
Which hospitals is Dr. Charissa Marie Rustia Carag affiliated with?
Dr. Carag is affiliated with Sunrise Hospital and Medical Center. Dmand AI links Dr. Carag to 4 more hospitals.
What medical group is Dr. Charissa Marie Rustia Carag part of?
Dr. Carag is linked to Kidney Specialists of Southern Nevada.
Does Dr. Charissa Marie Rustia Carag accept Medicare?
Yes. CMS data shows Dr. Carag billed Medicare for 1,859 services in 2024, and Dr. Carag accepts Medicare assignment.
Does Dr. Charissa Marie Rustia Carag offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Carag as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Charissa Marie Rustia Carag see?
CMS counts 758 Medicare patients who saw Dr. Carag in 2024, with an average age of 73.
What services does Dr. Charissa Marie Rustia Carag bill to Medicare?
In 2024, Dr. Carag's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
What drugs does Dr. Charissa Marie Rustia Carag prescribe most?
In 2024 Medicare Part D data, Dr. Carag's most prescribed drugs by claims were Amlodipine Besylate and Sevelamer Carbonate.
Has Dr. Charissa Marie Rustia Carag received payments from drug or device companies?
CMS Open Payments shows $668 in general payments to Dr. Carag from 9 companies from 2016 to 2025. The largest total came from Travere Therapeutics, Inc.
How long has Dr. Charissa Marie Rustia Carag been practicing?
Dr. Carag graduated from medical school in 2011, 15 years ago.
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