Mark Welch, D.D.S.
NPI 1780600031 · Oral and Maxillofacial Surgery (Dentist) · Lafayette, LA
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Welch, D.D.S. is a Oral and Maxillofacial Surgery (Dentist) provider in Lafayette, LA (NPI 1780600031).
Provider details
- NPI number
- 1780600031
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 3042 (LA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Welch's NPI number?
- Mark Welch's National Provider Identifier (NPI) is 1780600031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Welch's specialty?
- Mark Welch is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Mark Welch located?
- Mark Welch's practice location on file with NPPES is 200 Republic Ave, Lafayette, LA 70508-6826.
- What is Mark Welch's phone number?
- The practice phone number listed in the NPPES registry for Mark Welch is (337) 988-1870.
- Does Mark Welch accept Medicare?
- Mark Welch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Welch's NPI active?
- Yes — Mark Welch's NPI (1780600031) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.