NPI age
3 years
Enumerated 2022-06-21
● Active
Type 1 · Individual
DR. Greg Winston Zhang, MD, MS
Zhang is 1 of 1 preventive medicine providers in Denison and 1 of 100 in Texas.
Primary specialty
Preventive Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-02-12
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 100 active preventive medicine providers in Texas.
NPI age
3 years
↓ 14 yr below median (17 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
1
In the 64% of peers with subspecialties
NPI lifetime · 2022 → 2026
2022-06Enumerated in NPPES
2022
2026
Where they practice
Practice location
4616 N Hwy 75, Suite 190
Denison, TX 75020
Mailing address
4616 N. Highway 75, Ste 190
Denison, TX 75020
Specialties
-
Preventive Medicine PrimaryA specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Solo or small practice. No 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.