KOSTANTINOS CHRISTOS PAPATHANASIOU
NPI 1639751407
Family Medicine in Springfield, MA
About Kostantinos Christos Papathanasiou NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KOSTANTINOS CHRISTOS PAPATHANASIOU (NPI 1639751407) is an individual family medicine provider in Springfield, Massachusetts, licensed in Massachusetts (1014794) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.
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 (PECOS)
Kostantinos Christos Papathanasiou is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Kostantinos Papathanasiou reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01151
- Reassigned Medicare billing, Massachusetts enrollment
- 134 clinicians in this Medicare group
Springfield, MA 01151
- Reassigned Medicare billing, Massachusetts enrollment
- 137 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 124 clinicians in this Medicare group
Peabody, MA 01960
- Reassigned Medicare billing, Massachusetts enrollment
- 43 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
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 01151 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MA 01151
SPRINGFIELD, MA 01151
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 Kostantinos Papathanasiou's NPI number?
The NPI number for Kostantinos Papathanasiou is 1639751407. It was assigned to this individual provider in the NPPES registry on April 22, 2021.
Where is Kostantinos Papathanasiou located?
Kostantinos Papathanasiou practices at 819 Worcester St, Springfield, MA 01151. The listed phone number is (337) 991-9276.
What is Kostantinos Papathanasiou's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Kostantinos Papathanasiou enrolled in Medicare?
Yes. Kostantinos Papathanasiou is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kostantinos Papathanasiou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kostantinos Papathanasiou reassigns Medicare benefits to 4 organizations: Ch Specialty Services Ma PC (Springfield, MA), Curana Health Of Massachusetts LLC (Springfield, MA), Community Health Connections, Inc. (Gardner, MA) and North Shore Community Health, Inc (Peabody, MA). Each 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 Kostantinos Papathanasiou'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 Kostantinos Papathanasiou was last updated on February 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Kostantinos Christos Papathanasiou · NPI 1639751407
Family Medicine physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since April 22, 2021.
## Identity
- **NPI:** 1639751407 (Entity type: Individual)
- **Enumerated:** April 22, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 1014794 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 819 WORCESTER ST, Springfield, MA 01151-1045
- **Phone:** (337) 991-9276
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ch Specialty Services Ma PC (NPI 1902510720, Springfield, MA); Curana Health Of Massachusetts LLC (NPI 1154779445, Springfield, MA); Community Health Connections, Inc. (NPI 1225742174, Gardner, MA); North Shore Community Health, Inc (NPI 1124373022, Peabody, MA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639751407) · Data from the CMS NPPES public registry.