MRS. MARIA MUESSEN NP-C
NPI 1487191680
Nurse Practitioner in Arlington, VA

Q: What is Maria Muessen's NPI number?

The NPI number for Maria Muessen is 1487191680. It was assigned to this individual provider in the NPPES registry on January 25, 2017. The provider is also known as Maria Varakuta Np.

Q: What is Maria Muessen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Muessen was last updated on September 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 January 25, 2017PECOS Enrolled

62.13/100

CMS Quality Rating

3263 COLUMBIA PIKE, ARLINGTON, VA 22204(703) 746-0111(703) 746-6388 Get Directions Write a Review

NPPES record last updated: September 16, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2020, Apr 23, 2020, Feb 19, 2020 and 1 more (4 updates tracked since 2017).

On this page

About Mrs. Maria Muessen Np-c NPPES

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

MRS. MARIA MUESSEN NP-C (NPI 1487191680) is an individual nurse practitioner in Arlington, Virginia, licensed in Virginia (0024174370) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS and maintains 9 additional practice locations.

NPPES Registry Identity

NPI1487191680

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. MARIA MUESSENCredential: NP-C

Location Address3263 COLUMBIA PIKEArlington, VA 22204-4351

Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698

Phone(703) 746-0111

Fax(703) 746-6388

Sole ProprietorNo

Enumeration DateJanuary 25, 2017

Last NPPES UpdateSeptember 16, 20204 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2020

✔ NPI 1487191680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in VA · 0024174370

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 0024174370 (VA)

3263 COLUMBIA PIKE, Arlington, VA 22204

Open in Google Maps ↗

Other Names 1

Other Name (5)Maria Varakuta Np

Secondary Practice Locations 9

Location 16201 Centreville Rd Ste 200Centreville, VA 20121-2626 · Phone (703) 830-5600 · Fax (703) 830-6942

Location 28357 Leesburg PikeVienna, VA 22182-2493 · Phone (571) 665-6400 · Fax (571) 665-6401

Location 36230 Rolling Rd Ste IandjSpringfield, VA 22152-2307 · Phone (571) 665-6460 · Fax (571) 565-6561

Location 41488 Northpoint Village CtrReston, VA 20194-1190 · Phone (571) 525-5850 · Fax (571) 525-5851

Location 5711C E Main StPurcellville, VA 20132-3178 · Phone (540) 338-4995 · Fax (540) 338-2483

Location 6740 E Main StPurcellville, VA 20132-3128 · Phone (540) 338-4995 · Fax (540) 338-2483

Location 724801 Pinebrook Rd Ste 110Chantilly, VA 20152-4113 · Phone (703) 722-2500 · Fax (703) 327-1850

Location 84600 Lee Hwy Ste CArlington, VA 22207-3419 · Phone (571) 492-3080 · Fax (571) 492-3081

Location 9180 Maple Ave WVienna, VA 22180-5727 · Phone (703) 938-5300 · Fax (703) 242-0726

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Maria Muessen Np-c 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.

Medicare Billing Reassignments

Medicare enrollment records show Maria Muessen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inova Health Care Services

2.8 mi

General Acute Care Hospital

4320 SEMINARY RD
Alexandria, VA 22304

Reassigned Medicare billing, District of Columbia and Virginia enrollments
Also billed through NPI 1588717755 (Virginia)
160 clinicians in this Medicare group

NPI 1255684460 (703) 504-3000

Patient First Richmond Medical Group PLLC

86 mi

Family Medicine

5000 COX RD, SUITE 100
Glen Allen, VA 23060

Reassigned Medicare billing, District of Columbia and Virginia enrollments
263 clinicians in this Medicare group

NPI 1689603748 (804) 822-4355

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 13

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

55 services54 patients

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.

53 services53 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

33 services33 patients

Manual urinalysis test with examination using microscope, non-automated 81000

A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.

26 services25 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

26 services26 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

24 services24 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

22 services22 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

22 services22 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

21 services21 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

21 services21 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Blood test, basic group of blood chemicals (calcium, ionized) 80047

A basic group of blood chemicals test, including calcium and ionized, is a simple procedure where a small amount of blood is drawn from your arm. This test helps assess your body's overall health and detect potential disorders like kidney disease or bone disease.

13 services13 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22204 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

62.13/100

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

Scored as part of a group practice

Quality

72.43

Promoting Interoperability

Improvement Activities

Cost

84.66

Other Providers at the Same Location NPPES 8

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

CHARITY BROWN NP

Nurse Practitioner (Family)

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

ANNE INGRID LITTMAN P.A.-C

Physician Assistant

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

FIGURE 8 PC

Internal Medicine

3263 COLUMBIA PIKE, SUITE 101
ARLINGTON, VA 22204

Arlington County (703) 746-0111

MS. KIMBERLY ANN PROSSER NP

Nurse Practitioner (Primary Care)

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

MARY ELIZABETH DUDLEY

Nurse Practitioner (Family)

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

RACHEL ANNE RILEY SHELTON N.P.

Nurse Practitioner (Family)

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

FIGURE 8 HEALTH PC

Clinic/Center (Urgent Care)

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

FIGURE 8 HEALTH PC

Durable Medical Equipment & Medical Supplies

3263 COLUMBIA PIKE
ARLINGTON, VA 22204

Arlington County (703) 746-0111

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 Maria Muessen's NPI number?

The NPI number for Maria Muessen is 1487191680. It was assigned to this individual provider in the NPPES registry on January 25, 2017. The provider is also known as Maria Varakuta Np.

Where is Maria Muessen located?

Maria Muessen practices at 3263 Columbia Pike, Arlington, VA 22204. The listed phone number is (703) 746-0111.

What is Maria Muessen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Maria Muessen enrolled in Medicare?

Yes. Maria Muessen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Muessen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Muessen reassigns Medicare benefits to 2 organizations: Inova Health Care Services (Alexandria, VA) and Patient First Richmond Medical Group PLLC (Glen Allen, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Muessen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maria Muessen was last updated on September 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.