MS. KARLA J BLOCK LMSW
NPI 1811135486
Social Worker - Clinical in Hamilton, MI
About Ms. Karla J Block Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KARLA J BLOCK LMSW (NPI 1811135486) is an individual clinical provider in Hamilton, Michigan, licensed in Michigan (6801085393) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Karla J Block Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karla Block reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hamilton, MI 49419
- Reassigned Medicare billing, Michigan enrollment
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 49419 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 Karla Block's NPI number?
The NPI number for Karla Block is 1811135486. It was assigned to this individual provider in the NPPES registry on February 4, 2009.
Where is Karla Block located?
Karla Block practices at 6036 River Ridge Dr, Hamilton, MI 49419. The listed phone number is (517) 214-9154.
What is Karla Block's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Karla Block enrolled in Medicare?
Yes. Karla Block is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karla Block's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karla Block reassigns Medicare benefits to Karla J Block LLC (Hamilton, MI). 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 Karla Block's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karla Block accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Karla Block 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 Karla Block was last updated on November 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days 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.
# Ms. Karla J Block, LMSW · NPI 1811135486
Clinical provider in Hamilton, Michigan. Individual provider, active in the CMS NPPES registry since February 4, 2009.
## Identity
- **NPI:** 1811135486 (Entity type: Individual)
- **Enumerated:** February 4, 2009
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801085393 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6036 RIVER RIDGE DR, Hamilton, MI 49419-9654
- **Phone:** (517) 214-9154
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Karla J Block LLC (NPI 1417669599, Hamilton, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811135486) · Data from the CMS NPPES public registry.