SIERRA HEMATOLOGY-ONCOLOGY MEDICAL CENTER, A PROFESSIONAL CORPORATION
NPI 1992796759
Internal Medicine - Hematology & Oncology in Citrus Heights, CA
About Sierra Hematology-oncology Medical Center, A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA HEMATOLOGY-ONCOLOGY MEDICAL CENTER, A PROFESSIONAL CORPORATION (NPI 1992796759) is a healthcare organization registered as a hematology & oncology in Citrus Heights, California and active in the NPI registry since November 2005. The organization lists Ram Lalchandani, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sierra Hematology-oncology Medical Center, A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date 2
Next revalidation due by February 28, 2027
This provider holds 2 Medicare enrollments with upcoming revalidation dates. Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
38Medicare enrollment records show 38 clinicians reassign Medicare billing to Sierra Hematology-Oncology Medical Center, A Professional Corporation, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 38Source: 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 Sierra Hematology-Oncology Medical Center, A Professional Corporation's NPI number?
The NPI number for Sierra Hematology-Oncology Medical Center, A Professional Corporation is 1992796759. It was assigned to this organization in the NPPES registry on November 1, 2005.
Where is Sierra Hematology-Oncology Medical Center, A Professional Corporation located?
Sierra Hematology-Oncology Medical Center, A Professional Corporation is located at 7803 Madison Ave Bldg A Suite 100, Citrus Heights, CA 95610. The listed phone number is (916) 962-1554.
What is Sierra Hematology-Oncology Medical Center, A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Sierra Hematology-Oncology Medical Center, A Professional Corporation enrolled in Medicare?
Yes. Sierra Hematology-Oncology Medical Center, A Professional Corporation is registered in the Medicare PECOS enrollment system.
When is Sierra Hematology-Oncology Medical Center, A Professional Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), Sierra Hematology-Oncology Medical Center, A Professional Corporation holds 2 Medicare enrollments with upcoming revalidation dates. The next is due by February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice). Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Sierra Hematology-Oncology Medical Center, A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 38 clinicians in 6 Medicare specialties reassign their Medicare billing to Sierra Hematology-Oncology Medical Center, A Professional Corporation. 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 Diagnostic Radiology (18), Hematology/Oncology (7) and Nuclear Medicine (6). Of these, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Sierra Hematology-Oncology Medical Center, A Professional Corporation accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and Ambetter from Buckeye Health Plan and 30 other insurers list Sierra Hematology-Oncology Medical Center, A Professional Corporation as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sierra Hematology-Oncology Medical Center, A Professional Corporation was last updated on October 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.
# Sierra Hematology-Oncology Medical Center, A Professional Corporation · NPI 1992796759
Hematology & Oncology organization in Citrus Heights, California. Organization record, active in the CMS NPPES registry since November 1, 2005.
## Identity
- **NPI:** 1992796759 (Entity type: Organization)
- **Enumerated:** November 1, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Ram Lalchandani, PRESIDENT
## Practice location
- **Address:** 7803 MADISON AVE BLDG A, SUITE 100, Citrus Heights, CA 95610-7694
- **Phone:** (916) 962-1554
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice), next of 2 enrollments with upcoming dates · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 38 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (18), Hematology/Oncology (7), Nuclear Medicine (6); 5 practice within 10 miles; [full list](https://npiprofile.com/npi/1992796759/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1992796759) · Data from the CMS NPPES public registry.