NPI age
9 years
Enumerated 2017-04-11
● Active
Type 1 · Individual
DR. Mark J. Walsh, D.M.D.
Walsh is 1 of 14 dentist providers in Tyler and 1 of 1797 in Texas.
Primary specialty
Dentist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-06-07
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1797 active dentist providers in Texas.
NPI age
9 years
↓ 5 yr below median (14 yr)
State licenses
1 state
10% of peers hold multiple states
Subspecialties
0
25% of peers hold subspecialties
NPI lifetime · 2017 → 2026
2017-04Enumerated in NPPES
2017
2026
Where they practice
Practice location
7325 Flat Rock Ln
Tyler, TX 757037389
Mailing address
4s615 Karns Rd
Naperville, IL 605631508
Specialties
-
Dentist PrimaryAn age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.