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KATHRYN E DIETZ MD
NPI 1427147396
Internal Medicine in Sterling, VA

Active since October 11, 2006PECOS Enrolled
20 PIDGEON HILL DR STE 208, STERLING, VA 20165(703) 539-6059 Get Directions Write a Review

NPPES record last updated: March 19, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Kathryn E Dietz Md NPPES

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

KATHRYN E DIETZ MD (NPI 1427147396) is an individual internal medicine provider in Sterling, Virginia, licensed in Virginia (0101053428) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427147396
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKATHRYN E DIETZCredential: MD
Location Address20 PIDGEON HILL DR STE 208Sterling, VA 20165-6134
Mailing Address2418 W Indian Trl Ste FAurora, IL 60506-1590 · (630) 907-0578
Phone(703) 539-6059
Sole ProprietorYes
Enumeration DateOctober 11, 2006
Last NPPES UpdateMarch 19, 2019
✔ NPI 1427147396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101053428
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.
20 PIDGEON HILL DR STE 208, Sterling, VA 20165
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Other Identifiers 1

Medicaid4704623MI

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kathryn E Dietz Md 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 Reassignment

Medicare enrollment records show Kathryn Dietz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Privia Medical Group, LLC
19 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Other Providers at the Same Location NPPES 7

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

RACHEL ANNA KATTER
Nurse Practitioner (Family)
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (914) 844-3720
KAMANDPLLC
Clinic/Center
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (571) 414-0066
ADEL YAZDANKHAHKENARY MD
Surgery
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (571) 414-0066
RAHEL G YIRGA MD
Internal Medicine
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (703) 539-6029
CARE ADVANTAGE, INC.
Technician (Personal Care Attendant)
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (703) 539-6029
ALLEGIANCE HOUSE CALLS LLC
Internal Medicine
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (703) 539-6029
MISS CHRISTINE M KANDRA DNP, NP-C
Nurse Practitioner (Adult Health)
20 PIDGEON HILL DR STE 208
STERLING, VA 20165
Loudoun County (703) 205-3960

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 Kathryn Dietz's NPI number?

The NPI number for Kathryn Dietz is 1427147396. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Kathryn Dietz located?

Kathryn Dietz practices at 20 Pidgeon Hill Dr Ste 208, Sterling, VA 20165. The listed phone number is (703) 539-6059.

What is Kathryn Dietz's specialty?

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

Is Kathryn Dietz enrolled in Medicare?

Yes. Kathryn Dietz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kathryn Dietz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Dietz reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, VA). The 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 Kathryn Dietz'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 Kathryn Dietz was last updated on March 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.