CHRISSY MAKARIOU-PIKIS DO
NPI 1265069744
Radiology - Diagnostic Radiology in Washington, DC

Active since March 25, 2020PECOS EnrolledAccepts Medicare Assignment
3800 RESERVOIR RD NW, WASHINGTON, DC 20007(202) 444-2000 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 24, 2021, Mar 25, 2020 (2 updates tracked since 2020).

About Chrissy Makariou-pikis Do NPPES

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

CHRISSY MAKARIOU-PIKIS DO (NPI 1265069744) is an individual diagnostic radiology provider in Washington, District Of Columbia, licensed in District Of Columbia (DO210012620) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Medstar Montgomery Medical Center, and is a graduate of Marian University College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1265069744
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameCHRISSY MAKARIOU-PIKISCredential: DO
Location Address3800 RESERVOIR RD NWWashington, DC 20007-2113
Mailing Address4545 Macarthur Blvd Nw Apt 202Washington, DC 20007-4235 · (301) 675-4132
Sole ProprietorNo
Medical School CMSMarian University College Of Osteopathic MedicineGraduated 2020
Enumeration DateMarch 25, 2020
Last NPPES UpdateFebruary 13, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 13, 2026
✔ NPI 1265069744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in DC · DO210012620
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
3800 RESERVOIR RD NW, Washington, DC 20007

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

Chrissy Makariou-pikis Do 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 ID3173093564
PECOS Enrollment IDI20260527001887
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

2

Medicare enrollment records show Chrissy Makariou-pikis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1376887844 (Maryland)
  • 3,530 clinicians in this Medicare group
Diagnostic Radiology
3301 NEW MEXICO AVE NW STE 324
Washington, DC 20016
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1144677741 (Maryland)
  • 156 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.

Hospital Affiliations CMS Care Compare

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

Medstar Montgomery Medical Center

Acute Care Hospitals · Olney, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210018
Location18101 Prince Philip DriveOlney, MD 20832 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20007 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Physician Assistant
3800 RESERVOIR RD NW
WASHINGTON, DC 20007

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 Chrissy Makariou-pikis's NPI number?

The NPI number for Chrissy Makariou-pikis is 1265069744. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Chrissy Makariou-pikis located?

Chrissy Makariou-pikis practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-2000.

What is Chrissy Makariou-pikis's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Chrissy Makariou-pikis enrolled in Medicare?

Yes. Chrissy Makariou-pikis 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 Chrissy Makariou-pikis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chrissy Makariou-pikis reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Washington, DC) and Physician Imaging Of Washington Hospital Center, LLC (Washington, DC). 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 Chrissy Makariou-pikis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Chrissy Makariou-pikis affiliated with any hospitals?

According to CMS data, Chrissy Makariou-pikis is affiliated with Medstar Montgomery Medical Center.

When was this NPI record last updated?

The NPPES record for Chrissy Makariou-pikis was last updated on February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.