CAREN EUSTER M.D.
NPI 1780621938
Internal Medicine in Baltimore, MD
About Caren Euster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAREN EUSTER M.D. (NPI 1780621938) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D38505) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Caren Euster M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Caren Euster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
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 Caren Euster's NPI number?
The NPI number for Caren Euster is 1780621938. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is Caren Euster located?
Caren Euster practices at 4940 Eastern Avenue, Baltimore, MD 21224. The listed phone number is (410) 550-8708.
What is Caren Euster's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Caren Euster enrolled in Medicare?
Yes. Caren Euster is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Caren Euster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caren Euster reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Caren Euster'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 Caren Euster was last updated on November 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Caren Euster, M.D. · NPI 1780621938
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1780621938 (Entity type: Individual)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D38505 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4940 EASTERN AVENUE, Baltimore, MD 21224
- **Phone:** (410) 550-8708
## 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:** Johns Hopkins University (NPI 1306810619, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 5, 2007
- **Other identifiers:** Medicare ID-Type Unspecified L896 (MD); Medicare PIN KR65D370 (MD); Medicare UPIN F89594 (MD); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1780621938) · Data from the CMS NPPES public registry.