MARSHALL MEDICAL CENTER
NPI 1619021201
Internal Medicine - Gastroenterology in Cameron Park, CA
About Marshall Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARSHALL MEDICAL CENTER (NPI 1619021201), doing business as Marshall Speciality Care, is a healthcare organization registered as a gastroenterology in Cameron Park, California and active in the NPI registry since January 2007. The organization lists Siri Nelson, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Other Identifiers 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)
Marshall Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
149Medicare enrollment records show 149 clinicians reassign Medicare billing to Marshall Medical Center, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 42 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 24
Nearest to this location (20)
See all 149El Dorado Hills, CA 95762
El Dorado Hills, CA 95762
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 Marshall Medical Center's NPI number?
The NPI number for Marshall Medical Center is 1619021201. It was assigned to this organization in the NPPES registry on January 22, 2007. The provider is doing business as Marshall Speciality Care.
Where is Marshall Medical Center located?
Marshall Medical Center is located at 3501 Palmer Dr Ste 201, Cameron Park, CA 95682. The listed phone number is (530) 672-7052.
What is Marshall Medical Center's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Marshall Medical Center enrolled in Medicare?
Yes. Marshall Medical Center is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Marshall Medical Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 149 clinicians in 24 Medicare specialties reassign their Medicare billing to Marshall Medical Center. 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 (27), Obstetrics/Gynecology (17) and Internal Medicine (15). Of these, 7 practice at this address and 42 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 Marshall Medical Center was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Marshall Medical Center · NPI 1619021201
Gastroenterology organization in Cameron Park, California. Organization record, active in the CMS NPPES registry since January 22, 2007.
## Identity
- **NPI:** 1619021201 (Entity type: Organization)
- **Enumerated:** January 22, 2007
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Also known as:** Marshall Speciality Care (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Siri Nelson, CEO
## Practice location
- **Address:** 3501 PALMER DR STE 201, Cameron Park, CA 95682-8276
- **Phone:** (530) 672-7052
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 149 clinicians in 24 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (27), Obstetrics/Gynecology (17), Internal Medicine (15); 7 practice at this address and 42 within 10 miles; [full list](https://npiprofile.com/npi/1619021201/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 9, 2026
- **Other identifiers:** Other CT1847 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1619021201) · Data from the CMS NPPES public registry.