DR. JONATHAN WINALSKI MD
NPI 1407483811
Surgery in Springfield, MA
About Dr. Jonathan Winalski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN WINALSKI MD (NPI 1407483811) is an individual surgery provider in Springfield, Massachusetts, licensed in Massachusetts (1022727) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Dr. Jonathan Winalski Md 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 Jonathan Winalski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01199 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Jonathan Winalski's NPI number?
The NPI number for Jonathan Winalski is 1407483811. It was assigned to this individual provider in the NPPES registry on March 25, 2020.
Where is Jonathan Winalski located?
Jonathan Winalski practices at 280 Chestnut St Fl 1, Springfield, MA 01199. The listed phone number is (413) 795-0324.
What is Jonathan Winalski's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Jonathan Winalski enrolled in Medicare?
Yes. Jonathan Winalski 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 Jonathan Winalski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Winalski reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, 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 Jonathan Winalski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Winalski accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Jonathan Winalski 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.
Is Jonathan Winalski affiliated with any hospitals?
According to CMS data, Jonathan Winalski is affiliated with Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Winalski was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Jonathan Winalski, MD · NPI 1407483811
Surgery physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2020.
## Identity
- **NPI:** 1407483811 (Entity type: Individual)
- **Enumerated:** March 25, 2020
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 1022727 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 280 CHESTNUT ST FL 1, Springfield, MA 01199-1850
- **Phone:** (413) 795-0324
## 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:** Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** May 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407483811) · Data from the CMS NPPES public registry.