SAMEER SUNITA HASSAMAL & COMPANY, APC
NPI 1710691431
Psychiatry & Neurology - Psychiatry in Upland, CA
About Sameer Sunita Hassamal & Company, Apc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMEER SUNITA HASSAMAL & COMPANY, APC (NPI 1710691431), doing business as The California Neuropsychiatric Institute, is a healthcare organization registered as a psychiatry in Upland, California and active in the NPI registry since January 2023. The organization maintains a secondary practice location in Manhattan Beach and lists Sameer Hassamal, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sameer Sunita Hassamal & Company, Apc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Sameer Sunita Hassamal & Company, Apc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Sameer Sunita Hassamal & Company, Apc's NPI number?
The NPI number for Sameer Sunita Hassamal & Company, Apc is 1710691431. It was assigned to this organization in the NPPES registry on January 9, 2023. The provider is doing business as The California Neuropsychiatric Institute.
Where is Sameer Sunita Hassamal & Company, Apc located?
Sameer Sunita Hassamal & Company, Apc is located at 1113 Alta Ave Ste 106, Upland, CA 91786. The listed phone number is (909) 638-2475.
What is Sameer Sunita Hassamal & Company, Apc's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Sameer Sunita Hassamal & Company, Apc enrolled in Medicare?
Yes. Sameer Sunita Hassamal & Company, Apc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sameer Sunita Hassamal & Company, Apc?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Sameer Sunita Hassamal & Company, Apc. A 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 the clinician's services. The largest specialties are Nurse Practitioner (3) and Psychiatry (1). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sameer Sunita Hassamal & Company, Apc was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Sameer Sunita Hassamal & Company, Apc · NPI 1710691431
Psychiatry organization in Upland, California. Organization record, active in the CMS NPPES registry since January 9, 2023.
## Identity
- **NPI:** 1710691431 (Entity type: Organization)
- **Enumerated:** January 9, 2023
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Also known as:** The California Neuropsychiatric Institute (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Sameer Hassamal, CEO
## Practice location
- **Address:** 1113 ALTA AVE STE 106, Upland, CA 91786-2803
- **Phone:** (909) 638-2475
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Psychiatry (1); 1 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 7, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1710691431) · Data from the CMS NPPES public registry.