DAVID A DRZEWIECKI
NPI 1588201453
Counselor - Professional in Littleton, CO

Active since December 10, 2019PECOS EnrolledAccepts Medicare Assignment
5500 S SYCAMORE ST, LITTLETON, CO 80120(303) 730-8858 Get Directions Write a Review

NPPES record last updated: December 10, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About David A Drzewiecki NPPES

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

DAVID A DRZEWIECKI (NPI 1588201453) is an individual professional provider in Littleton, Colorado, licensed in Colorado (LPC.0014855) and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1588201453
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameDAVID A DRZEWIECKI
Location Address5500 S SYCAMORE STLittleton, CO 80120-8201
Mailing Address116 Inverness Dr E Ste 105Englewood, CO 80112-5125 · (303) 730-8858
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 10, 2019
✔ NPI 1588201453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in CO · LPC.0014855
5500 S SYCAMORE ST, Littleton, CO 80120

Accepted Insurance

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

David A Drzewiecki 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 ID6901256585
PECOS Enrollment IDI20231221003599
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 David Drzewiecki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
5500 S SYCAMORE ST
Littleton, CO 80120
  • Reassigned Medicare billing, Colorado enrollment
  • 331 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

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.

Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
13 services13 patients

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.

Nurse Practitioner (Psychiatric/Mental Health)
5500 S SYCAMORE ST
LITTLETON, CO 80120
Counselor
5500 S SYCAMORE ST
LITTLETON, CO 80120
Counselor (Mental Health)
5500 S SYCAMORE ST
LITTLETON, CO 80120
Counselor (Mental Health)
5500 S SYCAMORE ST
LITTLETON, CO 80120
Registered Nurse (Psychiatric/Mental Health)
5500 S SYCAMORE ST
LITTLETON, CO 80120
Counselor (Professional)
5500 S SYCAMORE ST
LITTLETON, CO 80120
Nurse Practitioner (Psychiatric/Mental Health)
5500 S SYCAMORE ST
LITTLETON, CO 80120
Registered Nurse (Psychiatric/Mental Health)
5500 S SYCAMORE ST
LITTLETON, CO 80120

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 David Drzewiecki's NPI number?

The NPI number for David Drzewiecki is 1588201453. It was assigned to this individual provider in the NPPES registry on December 10, 2019.

Where is David Drzewiecki located?

David Drzewiecki practices at 5500 S Sycamore St, Littleton, CO 80120. The listed phone number is (303) 730-8858.

What is David Drzewiecki's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is David Drzewiecki enrolled in Medicare?

Yes. David Drzewiecki 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 organization bills Medicare for David Drzewiecki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Drzewiecki reassigns Medicare benefits to Arapahoe Mental Health Center, Inc (Littleton, CO). 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 David Drzewiecki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Drzewiecki accept?

Health plans from Select Health list David Drzewiecki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Drzewiecki was last updated on December 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.