Charissa Marie Rustia Carag, M.D.
Internal Medicine Physician · Las Vegas, NV
Charissa Marie Rustia Carag, M.D. is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1235570623, issued on Jul 13, 2013. Check the license (Nevada 18297, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charissa Marie Rustia Carag
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 18297 NV
125-062589 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1294 S Jones Blvd, Las Vegas, NV 89146
- Phone
- (702) 877-1887
- Enumerated
- Jul 13, 2013
- Record last updated
- Jan 26, 2024
- Fax
- (702) 877-4536
- Medicare enrollment
- Enrolled (PECOS I20201216000440); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 1294 S Jones Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charissa Marie Rustia Carag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 18297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
141 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Amlodipine Besylate12 claims
- Sevelamer Carbonate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.35
1 payment: food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Nephrology And Endocrine Associates IncLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charissa Marie Rustia Carag among 1,229 internal medicine physician records in Nevada
Charissa Marie Rustia Carag, M.D. is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 63% of them.
- NPI issued2013 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2006 among the 772 with a school on file
- Record last updated2024 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sameer Sheikh, MDLas Vegas, NV 891461528140571
- Georges Tannoury, MDLas Vegas, NV 891461639143423
Common questions
What is Charissa Marie Rustia Carag, M.D.'s NPI number?
Charissa Marie Rustia Carag, M.D.'s National Provider Identifier (NPI) is 1235570623, issued on Jul 13, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Charissa Marie Rustia Carag, M.D. located?
The NPPES record lists a practice address at 1294 S Jones Blvd, Las Vegas, NV, 89146. Phone: (702) 877-1887. Providers update this record themselves, so call before visiting.
How can I verify Charissa Marie Rustia Carag, M.D.'s license?
NPPES lists Nevada license number 18297, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charissa Marie Rustia Carag, M.D. prescribe under Medicare Part D?
In 2024, Charissa Marie Rustia Carag, M.D. had 141 Medicare Part D claims for 48 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.