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Dr. John Paton Welch, MD
NPI1346236957
- Publications
- 1
- Industry payments
- $165
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 164 High St, Greenfield, MA 01301
- Practice phone
- Call (860) 246-2071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Welch'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. John Paton Welch is a general surgeon in Greenfield, Massachusetts
Dr. Welch practices in Greenfield, Massachusetts.
Dr. Welch's NPI, 1346236957, was assigned on September 20, 2005. Dr. Welch holds Connecticut license 017812.
NPI and contact details
- NPI
- 1346236957NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Practice phone
- (860) 246-2071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Paton Welch's practice address is in Greenfield, Massachusetts
Dr. Welch's practice address in the NPI Registry is 164 High St, Greenfield, MA 01301, in Franklin County. The practice phone is (860) 246-2071.
- NPI Registry address164 High St, Greenfield, MA 01301 · Franklin CountyPhone(860) 246-2071
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Paton Welch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Welch practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Welch's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Paton Welch is one of 732 general surgeons in Massachusetts
Surgery is Dr. Welch's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Welch is licensed in Connecticut.
Specialties and state licenses
- Surgery, ConnecticutPrimary
General surgeons near Dr. Welch
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
732general surgeons in Massachusetts
4general surgeons in Greenfield
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Paton Welch has 1 publication on record
Dmand AI links 1 paper to Dr. Welch. Dr. Welch's most frequent co-authors are Jilin Bai, MD and Stacy R. Nerenstone, MD.
Papers1
Dr. Welch's most frequent co-authors
Recent publications by Dr. Welch
See who Dr. Welch researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Welch works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Paton Welch received $165 in industry payments in 2018
CMS Open Payments shows 3 general payments to Dr. Welch from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Olympus America Inc. paid the most, $165.
Companies that paid Dr. Welch the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Paton Welch'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John Paton Welch
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. John Paton Welch's NPI number?
Dr. John Paton Welch's NPI number is 1346236957. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Paton Welch?
Dr. John Paton Welch is a general surgeon in Greenfield, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Paton Welch practice?
Dr. Welch practices at 164 High St, Greenfield, MA 01301.
What is Dr. John Paton Welch's office phone number?
The practice phone on file for Dr. Welch is (860) 246-2071.
What is Dr. John Paton Welch's medical license number?
Dr. Welch holds Connecticut license 017812.
Has Dr. John Paton Welch received payments from drug or device companies?
CMS Open Payments shows $165 in general payments to Dr. Welch from 1 company from 2018 to 2018. The largest total came from Olympus America Inc.
How long has Dr. John Paton Welch been practicing?
Dr. Welch's NPI was assigned in 2005.
Does Dr. John Paton Welch do research?
Dmand AI links 1 publication to Dr. Welch.
Who does Dr. John Paton Welch publish with?
Dr. Welch's most frequent co-authors are Jilin Bai, MD (1 shared paper) and Stacy R. Nerenstone, MD (1 shared paper).
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