Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATIE DEL PIERRO MD
NPI 1487613410
Internal Medicine in Sterling, VA

Active since March 20, 2006PECOS EnrolledAccepts Medicare Assignment
46175 WESTLAKE DR STE 440, STERLING, VA 20165(703) 421-1589(703) 421-1704 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 22, 2026, Apr 26, 2019, Jan 31, 2019 and 1 more (4 updates tracked since 2018).

About Katie Del Pierro Md NPPES

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

KATIE DEL PIERRO MD (NPI 1487613410) is an individual internal medicine provider in Sterling, Virginia, licensed in Virginia (0101235464) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Hca Florida Jfk Hospital, and maintains a secondary practice location in Petersburg.

NPPES Registry Identity

NPI1487613410
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKATIE DEL PIERROCredential: MD
Location Address46175 WESTLAKE DR STE 440Sterling, VA 20165-5886
Mailing Address46175 Westlake Dr Ste 440Sterling, VA 20165-5886 · (703) 421-1589 · Fax (703) 421-1704
Fax(703) 421-1704
Sole ProprietorYes
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2004
Enumeration DateMarch 20, 2006
Last NPPES UpdateSeptember 22, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1487613410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in VA · 0101235464✔ Licensed in MD · D0060501
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.
46175 WESTLAKE DR STE 440, Sterling, VA 20165

Other Names 1

Former Name (1)Sohair Yousif

Secondary Practice Location 1

Location 1200 Medical Park BlvdPetersburg, VA 23805-9274 · Phone (240) 686-3300

Other Identifiers 1

Medicaid1487613410VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katie Del Pierro 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 ID6103833751
PECOS Enrollment IDI20110314000565, I20250919001264
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

10

Medicare enrollment records show Katie Del Pierro reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
11901 BARON CAMERON AVE
Reston, VA 20190
  • Reassigned Medicare billing, District of Columbia, Virginia and Maryland enrollments
  • Also billed through NPI 1659290633 (Virginia), NPI 1134117393 (Maryland)
  • 1,150 clinicians in this Medicare group
Urgent Care
100 MAPLE AVE E
Vienna, VA 22180
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1669511051 (District of Columbia)
  • 160 clinicians in this Medicare group
Internal Medicine
8302 OLD COURTHOUSE RD STE C
Vienna, VA 22182
  • Reassigned Medicare billing, District of Columbia enrollment
  • 19 clinicians in this Medicare group
Clinic/Center
2970 BELCREST CENTER DR
Hyattsville, MD 20782
  • Reassigned Medicare billing, Maryland enrollment
  • 794 clinicians in this Medicare group
Hospitalist
1 ARH LANE
Low Moor, VA 24457
  • Reassigned Medicare billing, Virginia enrollment
  • 88 clinicians in this Medicare group
Family Medicine
3241 WESTERN BRANCH BLVD
Chesapeake, VA 23321
  • Reassigned Medicare billing, Virginia enrollment
  • 570 clinicians in this Medicare group
Emergency Medicine
100 FAIRVIEW DR
Franklin, VA 23851
  • Reassigned Medicare billing, Virginia enrollment
  • 219 clinicians in this Medicare group
Hospitalist
1900 ELECTRIC RD
Salem, VA 24153
  • Reassigned Medicare billing, Virginia enrollment
  • 181 clinicians in this Medicare group
Hospitalist
2100 N 7TH ST
West Memphis, AR 72301
  • Reassigned Medicare billing, Virginia enrollment
  • 528 clinicians in this Medicare group
Internal Medicine
10101 FOREST HILL BLVD
Wellington, FL 33414
  • Reassigned Medicare billing, Florida enrollment
  • 265 clinicians in this Medicare group

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 5

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.

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.
1,329 services397 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
217 services208 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
132 services123 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
52 services52 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.
26 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Hca Florida Jfk Hospital

Acute Care Hospitals · Atlantis, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100080
Location5301 S Congress AveAtlantis, FL 33462 · Palm Beach County
Emergency services

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490023
Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County
Emergency services Birthing friendly

Cjw Medical Center

Acute Care Hospitals · Richmond, VA
4/5 CMS rating
OwnershipProprietary
CMS Certification Number490112
Location7101 Jahnke RoadRichmond, VA 23235 · Chesterfield County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20165 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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%56 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Katie Del Pierro's NPI number?

The NPI number for Katie Del Pierro is 1487613410. It was assigned to this individual provider in the NPPES registry on March 20, 2006. The provider is also known as Sohair Yousif.

Where is Katie Del Pierro located?

Katie Del Pierro practices at 46175 Westlake Dr Ste 440, Sterling, VA 20165. The listed phone number is (703) 421-1589.

What is Katie Del Pierro's specialty?

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

Is Katie Del Pierro enrolled in Medicare?

Yes. Katie Del Pierro 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.

Which organizations bill Medicare for Katie Del Pierro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Del Pierro reassigns Medicare benefits to 10 organizations: Emergency Medicine Associates P.A., P.C. (Reston, VA), Inova Health Care Services (Vienna, VA), Fairfax Internal Medicine Associates, PC (Vienna, VA), Luminis Health Medical Group, LLC (Hyattsville, MD), Ingleside Physician Services, LLC (Low Moor, VA) and 5 more organizations, listed in the Medicare section above. 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 Katie Del Pierro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Katie Del Pierro affiliated with any hospitals?

According to CMS data, Katie Del Pierro is affiliated with Hca Florida Jfk Hospital, Fauquier Hospital and Cjw Medical Center.

When was this NPI record last updated?

The NPPES record for Katie Del Pierro was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.