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ANNA RYBAK LCSW
NPI 1245999747
Social Worker - Clinical in Oak Lawn, IL

Active since December 12, 2021PECOS Enrolled
8820 MOBILE AVE APT 3E, OAK LAWN, IL 60453(708) 439-3653 Get Directions Write a Review

NPPES record last updated: December 12, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Anna Rybak Lcsw NPPES

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

ANNA RYBAK LCSW (NPI 1245999747) is an individual clinical provider in Oak Lawn, Illinois, licensed in Illinois (149.024042) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245999747
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameANNA RYBAKCredential: LCSW
Location Address8820 MOBILE AVE APT 3EOak Lawn, IL 60453-1182
Mailing Address8820 Mobile Ave Apt 3eOak Lawn, IL 60453-1182 · (708) 439-3653
Phone(708) 439-3653
Sole ProprietorYes
Enumeration DateDecember 12, 2021
NPPES CertifiedDecember 12, 2021
✔ NPI 1245999747 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 IL · 149.024042
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.
8820 MOBILE AVE APT 3E, Oak Lawn, IL 60453
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Anna Rybak Lcsw 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 Anna Rybak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Midwest Post Acute Care PLLC
16 mi
Nurse Practitioner
3000 N HALSTED ST STE 803
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 129 clinicians in this Medicare group
NPI 1083012074 (888) 705-8722
Vitae Health Medical Illinois, PLLC
21 mi
Internal Medicine
3450 OAKTON ST
Skokie, IL 60076
  • Reassigned Medicare billing, Illinois enrollment
  • 491 clinicians in this Medicare group
NPI 1174013452 (224) 777-8034

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 4

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.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
207 services21 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
150 services14 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
128 services16 patients
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.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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 $60.08 – $183.39
Typical copayment $0.00 (range $15.02 – $45.84)
Most-billed visit code NA
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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.

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 Anna Rybak's NPI number?

The NPI number for Anna Rybak is 1245999747. It was assigned to this individual provider in the NPPES registry on December 12, 2021.

Where is Anna Rybak located?

Anna Rybak practices at 8820 Mobile Ave Apt 3E, Oak Lawn, IL 60453. The listed phone number is (708) 439-3653.

What is Anna Rybak's specialty?

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

Is Anna Rybak enrolled in Medicare?

Yes. Anna Rybak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Anna Rybak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Rybak reassigns Medicare benefits to 2 organizations: Midwest Post Acute Care PLLC (Chicago, IL) and Vitae Health Medical Illinois, PLLC (Skokie, IL). 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 Anna Rybak'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 Anna Rybak was last updated on December 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.