CAREBRAINS, LLC
NPI 1619846870
Internal Medicine in Rockville, MD

Active since November 04, 2025
2000 TOWER OAKS BLVD STE 440, ROCKVILLE, MD 20852(301) 908-5209 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 7, 2026, Nov 4, 2025 (2 updates tracked since 2025).

About Carebrains, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAREBRAINS, LLC (NPI 1619846870) is a healthcare organization registered as an internal medicine in Rockville, Maryland and active in the NPI registry since November 2025. The organization lists Michael L Weinstein, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1619846870
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCAREBRAINS, LLC
Location Address2000 TOWER OAKS BLVD STE 440Rockville, MD 20852-4389
Mailing Address2000 Tower Oaks Blvd Ste 440Rockville, MD 20852-4389
Organization SubpartNo
Authorized OfficialMichael L WeinsteinMedical Director · (301) 908-5209
Enumeration DateNovember 4, 2025
Last NPPES UpdateJanuary 7, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
✔ NPI 1619846870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedCase ManagementTaxonomy 251B00000X
2000 TOWER OAKS BLVD STE 440, Rockville, MD 20852

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carebrains, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Carebrains, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gastroenterology
NPI 1881653012
2000 TOWER OAKS BLVD STE 440
Rockville, MD 20852
(301) 908-5209
✔ PECOSSame address

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 Carebrains, LLC's NPI number?

The NPI number for Carebrains, LLC is 1619846870. It was assigned to this organization in the NPPES registry on November 4, 2025.

Where is Carebrains, LLC located?

Carebrains, LLC is located at 2000 Tower Oaks Blvd Ste 440, Rockville, MD 20852. The listed phone number is (301) 908-5209.

What is Carebrains, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Carebrains, LLC enrolled in Medicare?

Yes. Carebrains, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Carebrains, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Carebrains, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Carebrains, LLC was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.