CHARTER INTERNAL MEDICINE, LLC
NPI 1750492419
Internal Medicine in Marriottsville, MD
About Charter Internal Medicine, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARTER INTERNAL MEDICINE, LLC (NPI 1750492419) is a healthcare organization registered as an internal medicine in Marriottsville, Maryland and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through November 4, 2028 and lists Randal P Riesett, Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Charter Internal Medicine, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
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
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Charter Internal Medicine, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 21D0214463
Charter Internal Medicine LLC · Marriottsville, MDFrequently 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 Charter Internal Medicine, LLC's NPI number?
The NPI number for Charter Internal Medicine, LLC is 1750492419. It was assigned to this organization in the NPPES registry on August 31, 2006.
Where is Charter Internal Medicine, LLC located?
Charter Internal Medicine, LLC is located at 2470 Longstone Ln Ste I, Marriottsville, MD 21104. The listed phone number is (410) 910-2300.
What is Charter Internal Medicine, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Charter Internal Medicine, LLC enrolled in Medicare?
Yes. Charter Internal Medicine, LLC is registered in the Medicare PECOS enrollment system.
When is Charter Internal Medicine, LLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Maryland, Clinic/Group Practice) is due for revalidation by December 31, 2026. 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 Charter Internal Medicine, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Charter Internal Medicine, LLC. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Charter Internal Medicine, LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 21D0214463) is associated with this NPI, valid through November 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Charter Internal Medicine, LLC accept?
Health plans from WellSense Health Plan list Charter Internal Medicine, LLC 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 Charter Internal Medicine, LLC was last updated on November 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Charter Internal Medicine, Llc · NPI 1750492419
Internal Medicine organization in Marriottsville, Maryland. Organization record, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1750492419 (Entity type: Organization)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Randal Riesett, PARTNER
## Practice location
- **Address:** 2470 LONGSTONE LN STE I, Marriottsville, MD 21104-1523
- **Phone:** (410) 910-2300 · **Fax:** (410) 740-9134
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Maryland, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians (Internal Medicine) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 14, 2017
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1750492419) · Data from the CMS NPPES public registry.