THAD F SCHILLING M.D.
NPI 1801823935
Internal Medicine in Worcester, MA
About Thad F Schilling M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THAD F SCHILLING M.D. (NPI 1801823935) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (217424) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Thad F Schilling M.d. 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 Thad Schilling reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 718 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 01606 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 20
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 Thad Schilling's NPI number?
The NPI number for Thad Schilling is 1801823935. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Thad Schilling located?
Thad Schilling practices at 5 Neponset St, Worcester, MA 01606. The listed phone number is (508) 595-2300.
What is Thad Schilling's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Thad Schilling enrolled in Medicare?
Yes. Thad Schilling 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 Thad Schilling's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thad Schilling reassigns Medicare benefits to Reliant Medical Group, Inc (Worcester, MA). 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 Thad Schilling's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thad Schilling accept?
Health plans from Anthem Blue Cross and Blue Shield list Thad Schilling 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 Thad Schilling was last updated on September 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Thad F Schilling, M.D. · NPI 1801823935
Internal Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since June 26, 2006.
## Identity
- **NPI:** 1801823935 (Entity type: Individual)
- **Enumerated:** June 26, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 217424 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 5 NEPONSET ST, Worcester, MA 01606-2714
- **Phone:** (508) 595-2300 · **Fax:** (508) 853-5226
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Reliant Medical Group, Inc (NPI 1720017528, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2000
## Record status
- **NPPES last updated:** September 17, 2018
- **Other identifiers:** Medicaid 110034171A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801823935) · Data from the CMS NPPES public registry.