Dr. Jonathan Winalski, MD
- Industry payments
- $365
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 280 Chestnut St Suite 2 Suite 2, Springfield, MA 01199-1001
- Practice phone
- Call (413) 794-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baystate Medical Practices - Springfield (Chestnut St)
Multi-specialty group site · Springfield, Massachusetts
Find Dr. Winalski's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jonathan Winalski is a general surgeon in Springfield, Massachusetts
Dr. Winalski practices at Baystate Medical Practices - Springfield (Chestnut St) in Springfield, Massachusetts.
Dr. Winalski's NPI, 1407483811, was assigned on March 25, 2020. Dr. Winalski holds Massachusetts license 1022727.
- NPI
- 1407483811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002314283
- NPI enumeration date
- March 25, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 794-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Winalski practices at Baystate Medical Practices - Springfield (Chestnut St) in Springfield, Massachusetts
Dr. Winalski's primary practice is Baystate Medical Practices - Springfield (Chestnut St), at 280 Chestnut St Suite 2 Suite 2, Springfield, MA 01199-1001. The practice phone is (413) 794-0000.
- Baystate Medical Practices - Springfield (Chestnut St)280 Chestnut St Suite 2 Suite 2, Springfield, MA 01199-1001Phone(413) 794-0000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Winalski is affiliated with 1 site of care and 1 medical group
Dr. Winalski's primary practice is Baystate Medical Practices - Springfield (Chestnut St) in Springfield, Massachusetts. The medical group on file is Baystate Medical Practices.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Jonathan Winalski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winalski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Practices - Springfield (Chestnut St) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Winalski is one of 732 general surgeons in Massachusetts
Surgery is Dr. Winalski's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Winalski is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Winalski
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
How Dr. Jonathan Winalski takes part in Medicare
Dr. Winalski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Winalski received $365 in industry payments in 2025
CMS Open Payments shows 3 general payments to Dr. Winalski from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. PolyNovo North America LLC paid the most, $195.
Companies that paid Dr. Winalski the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonathan Winalski's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan Winalski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jonathan Winalski's NPI number?
Dr. Jonathan Winalski's NPI number is 1407483811. It was assigned on March 25, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Winalski?
Dr. Jonathan Winalski is a general surgeon in Springfield, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jonathan Winalski practice?
Dr. Winalski practices at 280 Chestnut St Suite 2 Suite 2, Springfield, MA 01199-1001. Dr. Winalski's primary practice is Baystate Medical Practices - Springfield (Chestnut St) in Springfield, Massachusetts.
What is Dr. Jonathan Winalski's office phone number?
The practice phone on file for Dr. Winalski is (413) 794-0000.
What is Dr. Jonathan Winalski's medical license number?
Dr. Winalski holds Massachusetts license 1022727, one of 2 state licenses on file.
What medical group is Dr. Jonathan Winalski part of?
Dr. Winalski is linked to Baystate Medical Practices.
Does Dr. Jonathan Winalski accept Medicare?
Yes. CMS lists Dr. Winalski as accepting Medicare assignment.
Has Dr. Jonathan Winalski received payments from drug or device companies?
CMS Open Payments shows $365 in general payments to Dr. Winalski from 3 companies from 2025 to 2025. The largest total came from PolyNovo North America LLC.
How long has Dr. Jonathan Winalski been practicing?
Dr. Winalski's NPI was assigned in 2020.
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