Quick answers
- Does Diane Hoang accept Medicare assignment?
- Yes. Medicare's clinician data says Diane Hoang 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 Diane Hoang see?
- In 2024, CMS data shows 124 Original Medicare patients and 1,684 services for Diane Hoang. This counts Original Medicare only and measures volume, not quality.
- What is Diane Hoang's NPI number?
- 1235723347. 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 Diane Hoang, 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 | 124 |
|---|---|
| Services billed to Medicare | 1,684 |
| 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)660 services
- Administration of psychological or neuropsychological test, each additional 30 minutes (96137)562 services
- Psychotherapy, 1 hour (90837)130 services
- Psychiatric diagnostic evaluation (90791)110 services
- Evaluation of neuropsychological test, first hour (96132)110 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 cholesterol75%
- High blood pressure69%
- Arthritis51%
- Depression41%
- Alzheimer's disease or dementia41%
- Anxiety37%
Practice locations
Addresses where Diane Hoang is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Shoreline Hwy, Suite B386Mill Valley, CA 94941 (415) 877‑4408
- 337 Adeline AveSan Jose, CA 95136 (800) 679‑1730
Group practices
Medicare enrollment lists Diane Hoang as a member of these groups (CMS data updated October 2, 2026).
- Kandm Neuropsychology, a Psychology Corporation11 clinicians in the group
- Momentous Health Inc5 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Mill Valley
Clinicians with the same Medicare primary specialty in Mill Valley, CA — not a recommendation.
Other clinicians in Kandm Neuropsychology, a Psychology Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235723347 |
| 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