MR. THOMAS H CALDER LCSW
NPI 1528150497
Social Worker - Clinical in Orange, CT
About Mr. Thomas H Calder Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. THOMAS H CALDER LCSW (NPI 1528150497) is an individual clinical provider in Orange, Connecticut, licensed in Connecticut (002631) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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 and accepts Medicare assignment
Mr. Thomas H Calder Lcsw 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 Thomas Calder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 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 06477 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 9
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 Thomas Calder's NPI number?
The NPI number for Thomas Calder is 1528150497. It was assigned to this individual provider in the NPPES registry on September 29, 2006.
Where is Thomas Calder located?
Thomas Calder practices at 236 Boston Post Rd, Orange, CT 06477. The listed phone number is (203) 878-1246.
What is Thomas Calder's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Thomas Calder enrolled in Medicare?
Yes. Thomas Calder 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 Thomas Calder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Calder reassigns Medicare benefits to Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). 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 Thomas Calder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Calder accept?
Health plans from Anthem Blue Cross and Blue Shield list Thomas Calder 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 Thomas Calder was last updated on October 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Mr. Thomas H Calder, LCSW · NPI 1528150497
Clinical provider in Orange, Connecticut. Individual provider, active in the CMS NPPES registry since September 29, 2006.
## Identity
- **NPI:** 1528150497 (Entity type: Individual)
- **Enumerated:** September 29, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 002631 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 236 BOSTON POST RD, Orange, CT 06477
- **Phone:** (203) 878-1246 · **Fax:** (203) 876-8412
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** October 13, 2010
- **Other identifiers:** Medicare ID-Type Unspecified 800002476; Medicaid 004162369 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1528150497) · Data from the CMS NPPES public registry.