DR. MARISSA ROSE MUSCAT MD
NPI 1881690485
Hospitalist in South Lake Tahoe, CA

Q: What is Marissa Muscat's NPI number?

The NPI number for Marissa Muscat is 1881690485. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Q: What is Marissa Muscat's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Marissa Muscat was last updated on November 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 28, 2005PECOS EnrolledAccepts Medicare Assignment

93.73/100

CMS Quality Rating

2170 SOUTH AVE, SOUTH LAKE TAHOE, CA 96150(530) 541-3420(530) 541-8723 Get Directions Write a Review

NPPES record last updated: November 7, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Marissa Rose Muscat Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARISSA ROSE MUSCAT MD (NPI 1881690485) is an individual hospitalist provider in South Lake Tahoe, California, licensed in California (A81313) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of Michigan State University College Of Human Medicine (2000).

NPPES Registry Identity

NPI1881690485

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameDR. MARISSA ROSE MUSCATCredential: MD

Location Address2170 SOUTH AVESouth Lake Tahoe, CA 96150-7026

Mailing Address1111 Emerald Bay RdSouth Lake Tahoe, CA 96150-6207 · (530) 543-5659 · Fax (530) 541-8723

Phone(530) 541-3420

Fax(530) 541-8723

Sole ProprietorNo

Medical School CMSMichigan State University College Of Human MedicineGraduated 2000

Enumeration DateJune 28, 2005

Last NPPES UpdateNovember 7, 2017

✔ NPI 1881690485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · A81313

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedFamily MedicineTaxonomy 207Q00000X · License A81313 (CA)

2170 SOUTH AVE, South Lake Tahoe, CA 96150

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marissa Rose Muscat Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072585678

PECOS Enrollment IDI20040812000455

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Marissa Muscat reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Barton Healthcare System

Same address

General Acute Care Hospital

2170 SOUTH AVE
South Lake Tahoe, CA 96150

Reassigned Medicare billing, California enrollment
126 clinicians in this Medicare group

NPI 1003867565 (530) 541-3420

Barton Medical Foundation

Same address

Family Medicine

2170 SOUTH AVE
South Lake Tahoe, CA 96150

Reassigned Medicare billing, California enrollment
148 clinicians in this Medicare group

NPI 1750950499 (530) 541-3420

Tahoe Carson Valley Medical Group Inc

Same address

Family Medicine

2170 SOUTH AVE
South Lake Tahoe, CA 96150

Reassigned Medicare billing, California enrollment
100 clinicians in this Medicare group

NPI 1508865528 (530) 541-3420

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

221 services104 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

99 services93 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

69 services66 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

53 services52 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

53 services37 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

37 services37 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290001

Location1155 Mill StreetReno, NV 89502 · Washoe County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96150 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.73/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.26

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers67 claims68 services$15.56 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers75 claims76 services$72.52 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BARTON HEALTHCARE SYSTEM

General Acute Care Hospital