GRETCHEN JEANNETTE RYDIN
NPI 1114533247
Social Worker - Clinical in Littleton, CO

Active since September 23, 2020PECOS EnrolledAccepts Medicare Assignment
5500 S SYCAMORE ST, LITTLETON, CO 80120(303) 730-8858 Get Directions Write a Review

NPPES record last updated: September 23, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gretchen Jeannette Rydin NPPES

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

GRETCHEN JEANNETTE RYDIN (NPI 1114533247) is an individual clinical provider in Littleton, Colorado, licensed in Colorado (CSW.09926906) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1114533247
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGRETCHEN JEANNETTE RYDIN
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 2018
Enumeration DateSeptember 23, 2020
NPPES CertifiedSeptember 23, 2020
✔ NPI 1114533247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CO · CSW.09926906
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.
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

Gretchen Jeannette Rydin 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 ID5890114532
PECOS Enrollment IDI20200930001601
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 Gretchen Rydin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

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
Clinical
1738 WYNKOOP ST STE 303
Denver, CO 80202
  • Reassigned Medicare billing, Colorado enrollment
  • 940 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 80120 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.

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 Gretchen Rydin's NPI number?

The NPI number for Gretchen Rydin is 1114533247. It was assigned to this individual provider in the NPPES registry on September 23, 2020.

Where is Gretchen Rydin located?

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

What is Gretchen Rydin's specialty?

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

Is Gretchen Rydin enrolled in Medicare?

Yes. Gretchen Rydin 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 Gretchen Rydin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Rydin reassigns Medicare benefits to 2 organizations: Arapahoe Mental Health Center, Inc (Littleton, CO) and Sondermind Provider Network 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 Gretchen Rydin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gretchen Rydin accept?

Health plans from Oscar Insurance Company and Select Health list Gretchen Rydin 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 Gretchen Rydin was last updated on September 23, 2020. 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.