Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John Paton Welch, MD
Surgery Physician in Hartford, CT · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346236957
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Registry record
Entity type Individual (Type 1)
Name Dr. John Paton Welch
Credential MD
Sex Male
Practice address 85 Seymour St, Ste 415, Hartford, CT, 06106
Phone (860) 246-2071
Fax (860) 524-2650
Enumeration date Sep 20, 2005
Last updated in NPPES Jul 12, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 010017812CT01 | Other | CT | ANTHEM BCBS |
| 4422145 004 | Other | CT | CIGNA |
| P1029123 | Other | CT | OXFORD |
| 070265 | Other | CT | CONNECTICARE |
| 0S2602 | Other | CT | HEALTH NET |
| 3163725 | Medicaid | MA | - |
| 17630 | Other | CT | HEALTH NEW ENGLAND |
| 782092 | Other | CT | AETNA |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does John Welch practice?
The practice location on file with NPPES is in Hartford, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Welch?
The National Provider Identifier (NPI) for John Welch is 1346236957, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-12.