NPI age
19 years
Enumerated 2006-07-28
● Active
Type 1 · Individual
John Carl Ferrell, MD
Ferrell is 1 of 2 pain medicine providers in Sherman and 1 of 319 in Texas.
Primary specialty
Pain Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 319 active pain medicine providers in Texas.
NPI age
19 years
↑ 5 yr above median (14 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
0
40% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
501 N Highland Ave
Sherman, TX 750927379
Mailing address
119 W Houston St
Sherman, TX 750905909
Specialties
-
Pain Medicine PrimaryPain Medicine is a primary medical specialty based on a distinct body of knowledge and a well-defined scope of clinical practice that is founded on science, research and education. It is concerned with the study of pain, the prevention...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 319 Pain Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.