Megan Castillo, PA
NPI 1447781091 · Physician Assistant · Spring, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Castillo, PA is a Physician Assistant provider in Spring, TX (NPI 1447781091).
Provider details
- NPI number
- 1447781091
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA11127 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
775 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 386 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 282 | $73 |
| Detection Test By Nucleic Acid for Digestive Tract Pathogen, Multiple Types Or Subtypes, 12-25 Targets87507 | 89 | $408 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 18 | $45 |
Typical Medicare-allowed amounts for these services range $45–$408 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 186 | 121 |
| Pantoprazole Sodium | 156 | 95 |
| Dicyclomine Hcl | 54 | 45 |
| Omeprazole | 52 | 37 |
| Ondansetronbrand: Ondansetron Odt | 49 | 38 |
| Linaclotidebrand: Linzess | 46 | 28 |
| Sucralfate | 25 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,680 across 134 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-24
- Last updated
- 2017-03-24
Frequently asked questions
- What is Megan Castillo's NPI number?
- Megan Castillo's National Provider Identifier (NPI) is 1447781091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Castillo's specialty?
- Megan Castillo is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Megan Castillo located?
- Megan Castillo's practice location on file with NPPES is 1111 Medical Plaza Dr Ste 250, Spring, TX 77380-3477.
- What is Megan Castillo's phone number?
- The practice phone number listed in the NPPES registry for Megan Castillo is (281) 296-8788.
- Does Megan Castillo accept Medicare?
- Megan Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Castillo's NPI active?
- Yes — Megan Castillo's NPI (1447781091) is active in the NPPES registry as of the last update on 2017-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.