Maria Jose Castillo
Nurse Practitioner β’ Houston, TX
6551 Bertner Ave Fl Wt15
Houston, TX 770302807
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
6551 Bertner Ave Fl Wt15
Houston, TX 770302807
NPPES lists 1 additional practice-address record in Houston, TX. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Open Payments general payments, program year 2025
All general payments: $352.89 across 3 records.
By nature of payment
- Food and Beverage: $352.89 across 3 records.
Reporting-company totals
- PIRAMAL CRITICAL CARE: $122.06 across 1 record.
- Takeda Pharmaceuticals U.S.A., Inc.: $121.82 across 1 record.
- Incyte Corporation: $109.01 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2023
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Maria Castillo has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Maria Castillo as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Houston and Texas
795 active clinicians are listed under Nurse Practitioner with a practice address in Houston, TX (4,916 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Houston
13.6% of these 795 clinicians have the CMS telehealth indicator.
42.8% of these 795 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $26.21 in 2023 to $352.89 in 2025.
- 2023: $26.21
- 2024: $98.83
- 2025: $352.89
Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 β December 31, 2025): fewer than 11 records totaling $352.89.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| PIRAMAL CRITICAL CARE |
Food and Beverage
In-kind items and services
|
GABLOFEN | General | $122.06 |
| Takeda Pharmaceuticals U.S.A., Inc. |
Food and Beverage
In-kind items and services
|
LIVTENCITY | General | $121.82 |
| Incyte Corporation |
Food and Beverage
Cash or cash equivalent
|
Niktimvo | General | $109.01 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-09-05NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
NUCC Taxonomy Code: 364SF0001X
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - NURSE PRACTITIONER
I20231030000384
TX
3173979051
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Secondary Practice Locations
6411 Fannin St Ste J1-400
Houston, TX 770301501
Phone: 7135007401
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Hematology
Doctor of Medicine (M.D.)
Nurse Practitioner - Primary Care
Nurse Practitioner
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Internal Medicine - Hematology
Nurse Practitioner
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 6551 BERTNER AVE FL WT15, HOUSTON, TX 770302807 (Tel: 7134411450)
Additional practice office at 6411 Fannin St Ste J1-400, Houston, TX 770301501
Recorded as MARIA CASTILLO
Registered at 6411 FANNIN ST STE J1-400, HOUSTON, TX 770301501 (Tel: 7135007401)
NPI status registered as active in NPPES database
Registered at 6445 MAIN ST STE 2600, HOUSTON, TX 770301502 (Tel: 7134415451)
Registered at 6445 MAIN ST STE 2600, HOUSTON, TX 770301502
Recorded as MARIA SENA
Clinical Nurse Specialist (license number reported to NPPES: TX 1132840)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Houston
- Gisela Garcia, NP
- Isabel Cepeda, NP-C
- Marita Lazzaro, RN, ANP, WHNP
- Kimberly Witt, AGACNP-BC
- Thuy Hoang
- Stella Stephen, NP-C
Mailing Address
6445 Main St Ste 2600
Houston, TX 770301502