NPI age
18 years
Enumerated 2007-08-28
● Active
Type 1 · Individual
DR. Jamison Conrad Alexander, DO
Alexander is 1 of 3 preventive medicine providers in Sherman and 1 of 100 in Texas.
Primary specialty
Preventive Medicine
Plus 4 subspecialties
Licensed in
TX, OK
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-13
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 100 active preventive medicine providers in Texas.
NPI age
18 years
≈ at median (17 yr)
State licenses
2 states
Top 95% — 5% of peers are multi-state
Subspecialties
2
In the 64% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-08Enumerated in NPPES
2007
2026
Where they practice
Practice location
2800 N Sam Rayburn Fwy Ste 130
Sherman, TX 750900504
Mailing address
Po Box 1993
Pottsboro, TX 750761993
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...
-
General PracticeA physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
-
Obstetrics & GynecologyAn obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 280860205 | |
| 05 (TX) | 280860201 | |
| 05 (OK) | 200180930A | |
| 05 (TX) | 280860202 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 1 other active provider shares 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.