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

CHRISTEN MARIE DILLARD MD
NPI 1154881399
Internal Medicine - Hematology & Oncology in Dallas, TX

Active since March 22, 2019PECOS Enrolled
6202 HARRY HINES BLVD, DALLAS, TX 75235(214) 645-3999 Get Directions Write a Review

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

Record update history: Jul 5, 2023, Jul 18, 2022, Mar 22, 2019 (3 updates tracked since 2019).

About Christen Marie Dillard Md NPPES

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

CHRISTEN MARIE DILLARD MD (NPI 1154881399) is an individual hematology & oncology provider in Dallas, Texas, licensed in Texas (T4347) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154881399
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameCHRISTEN MARIE DILLARDCredential: MD
Location Address6202 HARRY HINES BLVDDallas, TX 75235-1701
Mailing AddressPo Box 845347Dallas, TX 75284-7208
Phone(214) 645-3999
Sole ProprietorNo
Enumeration DateMarch 22, 2019
Last NPPES UpdateOctober 19, 20263 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1154881399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in TX · T4347
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License T4347 (TX)
6202 HARRY HINES BLVD, Dallas, TX 75235
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christen Marie Dillard 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 Christen Dillard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physicians Referral Service
231 mi
Multi-Specialty
1515 HOLCOMBE BLVD
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,675 clinicians in this Medicare group
NPI 1073574810 (713) 792-6161

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 75235 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
$172.86 typical visit price
range $57.18 – $172.86
Typical copayment $43.21 (range $14.29 – $43.21)
Most-billed visit code 99205
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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 20

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

CAMBRIE SONNIER PA-C
Physician Assistant
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (214) 645-4673
RUCHI ALUWALIA MMSC
Genetic Counselor, MS
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (214) 645-2563
TIMBRIA BRESHAE BURKE MS
Genetic Counselor, MS
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (214) 645-2563
MOLIN SHI PH.D.
Psychologist (Clinical)
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (469) 852-0210
MAYA SANDRA BROUETTE
Genetic Counselor, MS
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (214) 645-4673
MISS KRISTIN ELLEN SAGANSKI
Student in an Organized Health Care Education/Training Program
6202 HARRY HINES BLVD, 5TH FLOOR
DALLAS, TX 75235
Dallas County (214) 645-4673
CARLA BUMANGLAG PERRY APRN
Nurse Practitioner
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (214) 645-8300
MICHELLE LUONG MS
Genetic Counselor, MS
6202 HARRY HINES BLVD
DALLAS, TX 75235
Dallas County (214) 645-2563

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 Christen Dillard's NPI number?

The NPI number for Christen Dillard is 1154881399. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Where is Christen Dillard located?

Christen Dillard practices at 6202 Harry Hines Blvd, Dallas, TX 75235. The listed phone number is (214) 645-3999.

What is Christen Dillard's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Christen Dillard enrolled in Medicare?

Yes. Christen Dillard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christen Dillard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christen Dillard reassigns Medicare benefits to Physicians Referral Service (Houston, TX). 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 Christen Dillard'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 Christen Dillard was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.