Quick answers
- Does Livia Bir accept Medicare assignment?
- Yes. Medicare's clinician data says Livia Bir accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Livia Bir see?
- In 2024, CMS data shows 14 Original Medicare patients and 169 services for Livia Bir. This counts Original Medicare only and measures volume, not quality.
- What is Livia Bir's NPI number?
- 1033794318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Livia Bir, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 14 |
|---|---|
| Services billed to Medicare | 169 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Evaluation of neuropsychological test, each additional hour (96133)60 services
- Administration of psychological or neuropsychological test, each additional 30 minutes (96137)59 services
- Psychotherapy, 45 minutes (90834)13 services
- Psychiatric diagnostic evaluation (90791)12 services
- Evaluation of neuropsychological test, first hour (96132)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
Practice locations
Addresses where Livia Bir is enrolled with Medicare (CMS data updated October 2, 2026).
- 365 Millennium Dr, Suite CCrystal Lake, IL 60012 (224) 522‑8049
Group practices
Medicare enrollment lists Livia Bir as a member of this group (CMS data updated October 2, 2026).
- Christina J Vocos Psy D PC2 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Crystal Lake
Clinicians with the same Medicare primary specialty in Crystal Lake, IL — not a recommendation.
Other clinicians in Christina J Vocos Psy D PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033794318 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians