NPI age
19 years
Enumerated 2006-11-02
● Active
Type 1 · Individual
DR. Sidney Stewart Fernald, RN, APN, NP-C, D.C.
Fernald is 1 of 67 nurse practitioner providers in Mission and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-08-25
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 22123 active nurse practitioner providers in Texas.
NPI age
19 years
↑ 12 yr above median (7 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
1
In the 23% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-11Enumerated in NPPES
2006
2026
Where they practice
Practice location
2311 Monaco Dr
Mission, TX 785738471
Mailing address
1800 S Main St, Suite 450
McAllen, TX 785035441
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
ChiropractorA 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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | DC6861 | LICENCE NUMBER |
| 01 (TX) | 742920952 | TAX IDENTIFICATION |
| 05 (TX) | 002110701 | |
| 01 (TX) | 8A1120 | BCBS PROVIDER |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 1 new nurse practitioner provider has been added in Mission 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.