DR. MICHAEL L WEINSTEIN M.D.
NPI 1881653012
Internal Medicine - Gastroenterology in Rockville, MD
About Dr. Michael L Weinstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL L WEINSTEIN M.D. (NPI 1881653012) is an individual gastroenterology provider in Rockville, Maryland, licensed in Maryland (D0027285) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Rockville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael L Weinstein M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Weinstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
- 109 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20852 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Weinstein's NPI number?
The NPI number for Michael Weinstein is 1881653012. It was assigned to this individual provider in the NPPES registry on March 17, 2006.
Where is Michael Weinstein located?
Michael Weinstein practices at 2000 Tower Oaks Blvd Ste 440, Rockville, MD 20852. The listed phone number is (301) 908-5209.
What is Michael Weinstein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Michael Weinstein enrolled in Medicare?
Yes. Michael Weinstein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Weinstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Weinstein reassigns Medicare benefits to 2 organizations: Carebrains, LLC (Rockville, MD) and Capital Digestive Care, LLC (Rockville, MD). Each 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 Michael Weinstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Weinstein was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Michael L Weinstein, M.D. · NPI 1881653012
Gastroenterology physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since March 17, 2006.
## Identity
- **NPI:** 1881653012 (Entity type: Individual)
- **Enumerated:** March 17, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** D0027285 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2000 TOWER OAKS BLVD STE 440, Rockville, MD 20852-4389
- **Phone:** (301) 908-5209
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Carebrains, LLC (NPI 1619846870, Rockville, MD); Capital Digestive Care, LLC (NPI 1306684857, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 13, 2025
- **Other identifiers:** Other D0027285 (MD); Other 13213 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1881653012) · Data from the CMS NPPES public registry.