ALEXANDER ERIC HAMMER LCSW-C
NPI 1144794678
Social Worker - Clinical in Germantown, MD
About Alexander Eric Hammer Lcsw-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER ERIC HAMMER LCSW-C (NPI 1144794678) is an individual clinical provider in Germantown, Maryland and active in the NPI registry since January 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alexander Eric Hammer Lcsw-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alexander Hammer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 35 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 20874 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 Alexander Hammer's NPI number?
The NPI number for Alexander Hammer is 1144794678. It was assigned to this individual provider in the NPPES registry on January 17, 2019.
Where is Alexander Hammer located?
Alexander Hammer practices at 12817 Sage Ter, Germantown, MD 20874. The listed phone number is (301) 330-0006.
What is Alexander Hammer's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Alexander Hammer enrolled in Medicare?
Yes. Alexander Hammer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alexander Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Hammer reassigns Medicare benefits to Jewish Social Service Agency (Rockville, 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 Alexander Hammer'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 Alexander Hammer was last updated on November 25, 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.
# Alexander Eric Hammer, LCSW-C · NPI 1144794678
Clinical provider in Germantown, Maryland. Individual provider, active in the CMS NPPES registry since January 17, 2019.
## Identity
- **NPI:** 1144794678 (Entity type: Individual)
- **Enumerated:** January 17, 2019
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** No
## Practice location
- **Address:** 12817 SAGE TER, Germantown, MD 20874-2046
- **Phone:** (301) 330-0006
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Jewish Social Service Agency (NPI 1962414284, Rockville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 25, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1144794678) · Data from the CMS NPPES public registry.