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DR. CAROLINE D'SOUZA M.D.
NPI 1205099678
Internal Medicine - Rheumatology in Dulles, VA

Active since July 07, 2008PECOS EnrolledAccepts Medicare Assignment
92.61/100
CMS Quality Rating
24430 STONE SPRINGS BLVD, SUITE 570, DULLES, VA 20166(571) 302-4140(571) 427-7172 Get Directions Write a Review

NPPES record last updated: April 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 11, 2023, Dec 4, 2022, Dec 21, 2021 (3 updates tracked since 2021).

About Dr. Caroline D'souza M.d. NPPES

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

DR. CAROLINE D'SOUZA M.D. (NPI 1205099678) is an individual rheumatology provider in Dulles, Virginia, licensed in Virginia (0101253775) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Stonesprings Hospital Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1205099678
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. CAROLINE D'SOUZACredential: M.D.
Location Address24430 STONE SPRINGS BLVD, SUITE 570Dulles, VA 20166-2268
Mailing Address224 D Cornwall Street Nw, Ste 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (703) 443-8643
Phone(571) 302-4140
Fax(571) 427-7172
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 7, 2008
Last NPPES UpdateApril 22, 20253 updates tracked since enumeration
NPPES CertifiedApril 22, 2025
✔ NPI 1205099678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in VA · 0101253775
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License P22737 (MD)
24430 STONE SPRINGS BLVD, SUITE 570, Dulles, VA 20166
Open in Google Maps ↗

Other Identifiers 2

Medicaid1205099678VA
Medicaid30015969780001VA

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. Caroline D'souza M.d. 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 ID8123260825
PECOS Enrollment IDI20130808000737
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.
337 services132 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
103 services15 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.
59 services59 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
44 services11 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.
43 services39 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Stonesprings Hospital Center

Acute Care Hospitals · Dulles, VA
OwnershipProprietary
CMS Certification Number490145
Location24440 Stone Springs BoulevardDulles, VA 20166 · Loudoun County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20166 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

92.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.22
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

LOUDOUN MEDICAL GROUP, PC
Internal Medicine (Rheumatology)
24430 STONE SPRINGS BLVD, SUITE 570
DULLES, VA 20166
Loudoun County (571) 427-7170

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 Caroline D'souza's NPI number?

The NPI number for Caroline D'souza is 1205099678. It was assigned to this individual provider in the NPPES registry on July 7, 2008.

Where is Caroline D'souza located?

Caroline D'souza practices at 24430 Stone Springs Blvd, Suite 570, Dulles, VA 20166. The listed phone number is (571) 302-4140.

What is Caroline D'souza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Caroline D'souza enrolled in Medicare?

Yes. Caroline D'souza 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 Caroline D'souza affiliated with any hospitals?

According to CMS data, Caroline D'souza is affiliated with Stonesprings Hospital Center.

When was this NPI record last updated?

The NPPES record for Caroline D'souza was last updated on April 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.