MATTHEW DAVID WILLIAMS MD
NPI 1629084918
Internal Medicine - Critical Care Medicine in Annandale, VA

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
81.28/100
CMS Quality Rating
3289 WOODBURN ROAD, 350 NORTHERN VIRGINIA PULMONARY & CRITICAL CARE ASSOC P, ANNANDALE, VA 22003(703) 641-8616(703) 641-9468 Get Directions Write a Review

NPPES record last updated: July 28, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Matthew David Williams Md NPPES

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

MATTHEW DAVID WILLIAMS MD (NPI 1629084918) is an individual critical care medicine provider in Annandale, Virginia, licensed in Virginia (0101058124) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and maintains a secondary practice location in Falls Church.

NPPES Registry Identity

NPI1629084918
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMATTHEW DAVID WILLIAMSCredential: MD
Location Address3289 WOODBURN ROAD, 350 NORTHERN VIRGINIA PULMONARY & CRITICAL CARE ASSOC PAnnandale, VA 22003
Mailing Address3289 Woodburn Road, 350 Northern Virginia Pulmonary & Critical Care Assoc PAnnandale, VA 22003 · (703) 641-8616 · Fax (703) 641-9468
Fax(703) 641-9468
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1997
Enumeration DateJuly 31, 2006
Last NPPES UpdateJuly 28, 2022
NPPES CertifiedJuly 28, 2022
NPI 1629084918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in VA · 0101058124
Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 0101058124 (VA)
3289 WOODBURN ROAD, Annandale, VA 22003

Secondary Practice Location 1

Location 13300 Gallows RdFalls Church, VA 22042-3307 · Phone (703) 776-4001 · Fax (703) 776-7113

Other Identifiers 1

Medicaid010064520VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Matthew David Williams 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 ID4385634898
PECOS Enrollment IDI20040517000484, I20190802000646
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 20

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.

Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
1,096 services538 patients
Injection, benralizumab, 1 mg J0517
Benralizumab is a medication given via injection to help manage severe asthma. It works by reducing the number of eosinophils, a type of white blood cell that can contribute to asthma symptoms.
810 services16 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.
706 services405 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
307 services196 patients
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.
216 services173 patients
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.
141 services60 patients

Hospital Affiliations CMS Care Compare 5

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

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490040
Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County
Emergency services Birthing friendly

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490043
Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County
Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490122
Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22003 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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.

81.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.77
Promoting Interoperability100
Improvement Activities40
Cost66.84

Referred Medical Equipment & Supplies CMS DME claims 39

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

Sterile water/saline, 500 ml A4217
DME-Medical/Surgical Supplies · category DA000N
3 suppliers18 claims642 services$2.73 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
11 suppliers76 claims76 services$30.95 avg. paid by Medicare
Tracheal suction catheter, any type other than closed system, each A4624
DME-Other DME · category DE000N
1 supplier11 claims1,037 services$2.16 avg. paid by Medicare
Oropharyngeal suction catheter, each A4628
DME-Other DME · category DE000N
3 suppliers18 claims80 services$3.61 avg. paid by Medicare
Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6402
DME-Medical/Surgical Supplies · category DA023N
3 suppliers17 claims2,640 services$0.11 avg. paid by Medicare
Canister, disposable, used with suction pump, each A7000
DME-Other DME · category DE000N
3 suppliers16 claims37 services$6.97 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 5

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

Physical Therapist
3289 WOODBURN ROAD, STE 130
ANNANDALE, VA 22003
Pathology (Anatomic Pathology & Clinical Pathology)
3289 WOODBURN ROAD, SUITE #220
ANNANDALE, VA 22003
Clinic/Center (Ambulatory Surgical)
3289 WOODBURN ROAD
ANNANDALE, VA 22003
Nuclear Medicine
3289 WOODBURN ROAD, SUITE 060
ANNANDALE, VA 22003
Internal Medicine (Critical Care Medicine)
3289 WOODBURN ROAD, 350
ANNANDALE, VA 22003

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 Matthew Williams's NPI number?

The NPI number for Matthew Williams is 1629084918. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Matthew Williams located?

Matthew Williams practices at 3289 Woodburn Road 350 Northern Virginia Pulmonary & Critical Care Assoc P, Annandale, VA 22003. The listed phone number is (703) 641-8616.

What is Matthew Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Matthew Williams enrolled in Medicare?

Yes. Matthew Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Matthew Williams affiliated with any hospitals?

According to CMS data, Matthew Williams is affiliated with Inova Alexandria Hospital, Inova Loudoun Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Williams was last updated on July 28, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.