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RACHEL CATHERINE SULLIVAN
NPI 1437984226
Social Worker - Clinical in Denver, CO

Active since September 03, 2024PECOS Enrolled
4353 E COLFAX AVE, DENVER, CO 80220(844) 493-8255 Get Directions Write a Review

NPPES record last updated: September 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Rachel Catherine Sullivan NPPES

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

RACHEL CATHERINE SULLIVAN (NPI 1437984226) is an individual clinical provider in Denver, Colorado and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437984226
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameRACHEL CATHERINE SULLIVAN
Location Address4353 E COLFAX AVEDenver, CO 80220-1115
Mailing Address4353 E Colfax AveDenver, CO 80220-1115
Phone(844) 493-8255
Sole ProprietorNo
Enumeration DateSeptember 3, 2024
NPPES CertifiedSeptember 3, 2024
✔ NPI 1437984226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4353 E COLFAX AVE, Denver, CO 80220
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rachel Catherine Sullivan 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 Reassignments

2

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

Adria Rigg LLC
2.4 mi
Professional
3401 QUEBEC ST STE 4500
Denver, CO 80207
  • Reassigned Medicare billing, Colorado enrollment
  • 12 clinicians in this Medicare group
NPI 1881325421 (720) 699-7521
Mindfully, LLC
7.4 mi
Mental Health
4380 S SYRACUSE ST STE 320
Denver, CO 80237
  • Reassigned Medicare billing, Colorado enrollment
  • 14 clinicians in this Medicare group
NPI 1184367153 (720) 526-8102

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 80220 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
$0.00 typical visit price
range $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
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.

JILLIAN MCNAUGHTON M.S.
Case Manager/Care Coordinator
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (303) 504-1275
ELIZABETH ANNE WEISS LPN
Licensed Practical Nurse
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (844) 493-8255
MENTAL HEALTH CENTER OF DENVER
Clinic/Center (Mental Health (Including Community Mental Health Center))
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (303) 504-1275
PATRICIA MAE HAMMET RN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (844) 493-8255
DANIEL MCCARTHY HARTER LCSW
Social Worker (Clinical)
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (303) 504-1275
ADELITA ROMERO
Registered Nurse
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (303) 504-1200
HEAVEN LINDBERG LPC
Counselor (Professional)
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (303) 504-1275
CHEYENNE MARIE ASTLE MSW
Social Worker
4353 E COLFAX AVE
DENVER, CO 80220
Denver County (844) 493-8255

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 Rachel Sullivan's NPI number?

The NPI number for Rachel Sullivan is 1437984226. It was assigned to this individual provider in the NPPES registry on September 3, 2024.

Where is Rachel Sullivan located?

Rachel Sullivan practices at 4353 E Colfax Ave, Denver, CO 80220. The listed phone number is (844) 493-8255.

What is Rachel Sullivan's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Rachel Sullivan enrolled in Medicare?

Yes. Rachel Sullivan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rachel Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Sullivan reassigns Medicare benefits to 2 organizations: Adria Rigg LLC (Denver, CO) and Mindfully, LLC (Denver, CO). 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 Rachel Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rachel Sullivan accept?

Health plans from Select Health list Rachel Sullivan 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 Rachel Sullivan was last updated on September 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.