Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LUIS WILLIAM DOMINGUEZ MD, MPH
NPI 1083080535
Internal Medicine in Washington, DC

Q: What is Luis Dominguez's NPI number?

The NPI number for Luis Dominguez is 1083080535. It was assigned to this individual provider in the NPPES registry on August 19, 2015.

Q: What is Luis Dominguez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Luis Dominguez was last updated on July 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 19, 2015PECOS Enrolled

2333 ONTARIO RD NW, WASHINGTON, DC 20009(844) 796-2797 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 24, 2026, Dec 21, 2018, May 24, 2018 (3 updates tracked since 2018).

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About Dr. Luis William Dominguez Md, Mph NPPES

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

DR. LUIS WILLIAM DOMINGUEZ MD, MPH (NPI 1083080535) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Maryland (D0085304) and active in the NPI registry since August 2015. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1083080535

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. LUIS WILLIAM DOMINGUEZCredential: MD, MPH

Location Address2333 ONTARIO RD NWWashington, DC 20009-2627

Mailing Address2150 Pennsylvania Ave Nw, Gw Mfa Department Of Emergency MedicineWashington Dc, DC 20037 · (202) 798-0100 · Fax (202) 379-3570

Phone(844) 796-2797

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateAugust 19, 2015

Last NPPES UpdateJuly 24, 20263 updates tracked since enumeration

NPPES CertifiedJuly 24, 2026

✔ NPI 1083080535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MD · D0085304✔ Licensed in DC · MD046182

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2333 ONTARIO RD NW, Washington, DC 20009

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Other Identifiers 1

OtherMD046182DC · License Number

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

Dr. Luis William Dominguez Md, Mph 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 ID6507111515

PECOS Enrollment IDI20180615000415

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 6

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.

54 services43 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.

32 services29 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.

29 services20 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.

25 services16 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.

15 services12 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490050

Location1701 North George Mason DriveArlington, VA 22205 · Arlington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20009 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.

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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.

JOANNA ESTHER RIVERA-SANTANA RN

Registered Nurse (Community Health)