P Praxis·MD
● Active Type 1 · Individual

Darleen Castillo, MS, RD, LDN

Dietitian, Registered·Humble, TX· NPI 1730543794 · Enumerated 2016 · 10 years on NPI
Castillo is 1 of 18 dietitian, registered providers in Humble and 1 of 5402 in Texas.
NPI age
10 years
Enumerated 2016-04-06
Primary specialty
Dietitian, Registered
Plus 2 subspecialties
Licensed in
TX, MD, DC
3 states
Status
Active
No deactivations on record
Last NPPES update
2024-07-26
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file

How this provider compares

Across 5402 active dietitian, registered providers in Texas.

NPI age
10 years
↑ 4 yr above median (5 yr)
State licenses
3 states
Top 97% — 2% of peers are multi-state
Subspecialties
0
10% of peers hold subspecialties

NPI lifetime · 2016 → 2026

2016-04Enumerated in NPPES
2016 2026

Where they practice

Practice location
16223 Whiteoak Canyon Dr
Humble, TX 773464651
📞 7875471105
Mailing address
1202 1st St E Unit 762
Humble, TX 773477037

Specialties

  • Dietitian, Registered Primary
    A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based...
    TX license #DT90241MD license #DX3616DC license #DI100000667 taxonomy 133V00000X

Practice context

Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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