Doctor profile · Federal record

Dr. Charissa Marie Carag, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Nephrology Physician · Las Vegas, NV

  • NPI 1235570623
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1294 S Jones Blvd
Las Vegas, NV 89146
(702) 877-1887
fax (702) 877-4536

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
January 26, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Illinois #125-062589 · Nevada #18297

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235570623. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,572
Distinct HCPCS
8
Medicare allowed
$203,734
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 754 353 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 483 242 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 169 163 $171
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 107 40 $349
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 22 19 $290
90935 Hemodialysis procedure with physician evaluation 13 12 $71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $129
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $220

In context: peer comparison

Among 194 peers in Las Vegas Internal Medicine Physician, average services per provider: 170. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 1 $18.35

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$155
Drug Type Claims Patients Total cost
Furosemide Generic 12 0 $155

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charissa Marie Carag's medical specialty?
Dr. Charissa Marie Carag practices Internal Medicine Physician in Las Vegas, NV.
Where does Dr. Charissa Marie Carag practice?
Dr. Charissa Marie Carag practices at 1294 S Jones Blvd, Las Vegas, NV 89146. Office phone: 7028771887.
What is Dr. Charissa Marie Carag's NPI?
Dr. Charissa Marie Carag's National Provider Identifier (NPI) is 1235570623, issued by NPPES.
Does Dr. Charissa Marie Carag accept Medicare assignment?
Yes. Dr. Charissa Marie Carag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charissa Marie Carag commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.