MR. ANASTASIOS TSIOLAKIS NP
NPI 1225430705
Nurse Practitioner - Family in Washington, DC

Active since September 16, 2014PECOS EnrolledAccepts Medicare Assignment
6101 16TH ST NW APT 610, WASHINGTON, DC 20011(512) 694-6061 Get Directions Write a Review

NPPES record last updated: September 16, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Anastasios Tsiolakis Np NPPES

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

MR. ANASTASIOS TSIOLAKIS NP (NPI 1225430705) is an individual family provider in Washington, District Of Columbia, licensed in District Of Columbia (RN1019114) and active in the NPI registry since September 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1225430705
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. ANASTASIOS TSIOLAKISCredential: NP
Location Address6101 16TH ST NW APT 610Washington, DC 20011-1762
Mailing Address6101 16th St Nw Apt 610Washington, DC 20011-1762 · (512) 694-6061
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateSeptember 16, 2014
✔ NPI 1225430705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in DC · RN1019114✔ Licensed in MD · R212274✔ Licensed in VA · 0024171867
6101 16TH ST NW APT 610, Washington, DC 20011

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

Mr. Anastasios Tsiolakis Np 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 ID3678795655
PECOS Enrollment IDI20150113001174
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

4

Medicare enrollment records show Anastasios Tsiolakis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Primary Care
6020 RICHMOND HWY STE 102
Alexandria, VA 22303
  • Reassigned Medicare billing, Maryland enrollment
  • 61 clinicians in this Medicare group
Internal Medicine
15245 SHADY GROVE RD STE 150
Rockville, MD 20850
  • Reassigned Medicare billing, Maryland enrollment
  • 34 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
1111 NORTH CHARLES STREET
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 213 clinicians in this Medicare group
40 mi
Internal Medicine
9512 HARFORD RD STE 4
Parkville, MD 21234
  • Reassigned Medicare billing, Maryland enrollment
  • 11 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20011 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
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers13 claims27 services$4.88 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Anastasios Tsiolakis's NPI number?

The NPI number for Anastasios Tsiolakis is 1225430705. It was assigned to this individual provider in the NPPES registry on September 16, 2014.

Where is Anastasios Tsiolakis located?

Anastasios Tsiolakis practices at 6101 16th St NW Apt 610, Washington, DC 20011. The listed phone number is (512) 694-6061.

What is Anastasios Tsiolakis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Anastasios Tsiolakis enrolled in Medicare?

Yes. Anastasios Tsiolakis 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 Anastasios Tsiolakis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anastasios Tsiolakis reassigns Medicare benefits to 4 organizations: Capital Healthcare PC (Alexandria, VA), Comprehensive Primary Care And Associates LLC (Rockville, MD), Chase Brexton Health Services, Inc. (Baltimore, MD) and Tcmg PA (Parkville, MD). 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 Anastasios Tsiolakis'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 Anastasios Tsiolakis was last updated on September 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.