Quick answers
- Does Tamar L. Apelian accept Medicare assignment?
- Medicare's clinician data says Tamar L. Apelian may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Tamar L. Apelian see?
- In 2024, CMS data shows 12 Original Medicare patients and 755 services for Tamar L. Apelian. This counts Original Medicare only and measures volume, not quality.
- What is Tamar L. Apelian's NPI number?
- 1841581584. 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 Tamar L. Apelian, 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 | 12 |
|---|---|
| Services billed to Medicare | 755 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 46 |
Most frequent services
- Psychotherapy, 1 hour (90837)686 services
Practice locations
Addresses where Tamar L. Apelian is enrolled with Medicare (CMS data updated October 2, 2026).
- 16800 Devonshire St, Suite 301Granada Hills, CA 91344 (323) 459‑4968
- 16944 Ventura Blvd, Suite 27Encino, CA 91316 (818) 517‑3328
Group practices
Medicare enrollment lists Tamar L. Apelian as a member of this group (CMS data updated October 2, 2026).
- Growing Minds Psychological Corporation9 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Granada Hills
Clinicians with the same Medicare primary specialty in Granada Hills, CA — not a recommendation.
Other clinicians in Growing Minds Psychological Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1841581584 |
| 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