NPI age
18 years
Enumerated 2008-04-11
● Active
Type 1 · Individual
DR. Harold R Royston II, D.C.
Royston is 1 of 101 chiropractor providers in Allen and 1 of 10819 in Texas.
Primary specialty
Chiropractor
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2017-07-20
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 10819 active chiropractor providers in Texas.
NPI age
18 years
↑ 3 yr above median (15 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
0
7% of peers hold subspecialties
NPI lifetime · 2008 → 2026
2008-04Enumerated in NPPES
2008
2026
Where they practice
Practice location
300 S Watters Rd, #814
Allen, TX 750136515
Mailing address
305 W Spring Creek Pkwy, Ste 104
Plano, TX 750234626
Specialties
-
Chiropractor PrimaryA provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 2 new chiropractor providers have been added in Allen in the last 180 days.
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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.