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THERESA MARCOS PA
NPI 1356883151
Physician Assistant in Las Vegas, NV

Active since November 09, 2016PECOS Enrolled
2425 N LAMB BLVD STE 120, LAS VEGAS, NV 89115(702) 940-8007 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 10, 2025, Nov 1, 2023, May 3, 2021 and 1 more (4 updates tracked since 2016).

About Theresa Marcos Pa NPPES

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

THERESA MARCOS PA (NPI 1356883151) is an individual physician assistant in Las Vegas, Nevada and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356883151
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameTHERESA MARCOSCredential: PA
Location Address2425 N LAMB BLVD STE 120Las Vegas, NV 89115-5499
Mailing AddressPo Box 400670Las Vegas, NV 89140-0670 · Fax (702) 832-1940
Phone(702) 940-8007
Sole ProprietorNo
Enumeration DateNovember 9, 2016
Last NPPES UpdateOctober 10, 20254 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
✔ NPI 1356883151 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedSpecialist/Technologist · Athletic TrainerTaxonomy 2255A2300X · License 0506505 (NV)
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
2425 N LAMB BLVD STE 120, Las Vegas, NV 89115
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Theresa Marcos Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
49 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
34 services34 patients
Physician service required to establish and document the need for a power mobility device G0372
This service involves your doctor assessing your mobility needs. They'll document your condition, verify if a power mobility device (like a motorized wheelchair) could improve your life quality, and provide the required medical records to insurance for coverage.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89115 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
$88.51 typical visit price
range $57.07 – $173.24
Typical copayment $22.12 (range $14.26 – $43.31)
Most-billed visit code 99203
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

NKDHC RUDNITSKY PLLC
Internal Medicine (Nephrology)
2425 N LAMB BLVD STE 120
LAS VEGAS, NV 89115
Clark County (702) 851-7766
DR. RUI YU MD
Internal Medicine (Nephrology)
2425 N LAMB BLVD STE 120
LAS VEGAS, NV 89115
Clark County (702) 851-7766

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Theresa Marcos's NPI number?

The NPI number for Theresa Marcos is 1356883151. It was assigned to this individual provider in the NPPES registry on November 9, 2016.

Where is Theresa Marcos located?

Theresa Marcos practices at 2425 N Lamb Blvd Ste 120, Las Vegas, NV 89115. The listed phone number is (702) 940-8007.

What is Theresa Marcos's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Theresa Marcos enrolled in Medicare?

Yes. Theresa Marcos is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Theresa Marcos was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.