Doctor profile · Federal record
Dr. Marissa Muscat, MD
Hospitalist Physician (CMS: Hospitalist) · Family Medicine Physician · South Lake Tahoe, CA
- NPI 1881690485
- Accepts Medicare
- MIPS 91.1 / 100 · 2023
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2170 South Ave
South Lake Tahoe, CA 961507026
(530) 541-3420
fax (530) 541-8723 - Mailing address
-
1111 Emerald Bay RD
South Lake Tahoe, CA 961506207
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- November 7, 2017
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A81313
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881690485. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
501
Distinct HCPCS
8
Medicare allowed
$44,451
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 142 | 78 | $82 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 82 | 78 | $8 | |
99239 |
Hospital discharge day management, more than 30 minutes | 74 | 69 | $120 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 38 | $124 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 56 | 50 | $180 | |
93018 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 43 | 43 | $15 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $135 | |
99238 |
Hospital discharge day management, 30 minutes or less | 15 | 14 | $85 |
In context: peer comparison
Among 1 peers in South Lake Tahoe Hospitalist Physician, average services per provider: 62. This provider delivers 8.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
0
Total drug cost
$136
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 0 | $136 |
Hospital affiliations
Frequently asked questions
What is Dr. Marissa Muscat's medical specialty?
Dr. Marissa Muscat practices Hospitalist Physician in South Lake Tahoe, CA.
Where does Dr. Marissa Muscat practice?
Dr. Marissa Muscat practices at 2170 South Ave, South Lake Tahoe, CA 961507026. Office phone: 5305413420.
What is Dr. Marissa Muscat's NPI?
Dr. Marissa Muscat's National Provider Identifier (NPI) is 1881690485, issued by NPPES.
Does Dr. Marissa Muscat accept Medicare assignment?
Yes. Dr. Marissa Muscat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Muscat commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.