NPI age
15 years
Enumerated 2010-06-01
● Active
Type 1 · Individual
DR. Mark Douglas Williams, DMD
Williams is 1 of 57 dentist providers in Denton and 1 of 9237 in Texas.
Primary specialty
Dentist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2010-06-01
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 9237 active dentist providers in Texas.
NPI age
15 years
↑ 3 yr above median (12 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
16% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-06Enumerated in NPPES
2010
2026
Where they practice
Practice location
3600 E McKinney St
Denton, TX 762097557
Mailing address
3600 E McKinney St
Denton, TX 762097557
Specialties
-
Dentist PrimaryA dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two...
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
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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.