DR. RENE ALBERTO CASTILLO (MD) – Medical Oncology Physician, NPI 1134186166

DR. RENE ALBERTO CASTILLO (MD) is a healthcare provider. based in Austin, Texas. specializing in MEDICAL ONCOLOGY. They hold the professional credentials MD. They hold a License No. MD.12610R (LA). The NPI Number for DR. RENE ALBERTO CASTILLO (MD) is 1134186166

Main info

Male
39 Years Of Experience
Accepts Medicare Assignment
Name
DR. RENE ALBERTO CASTILLO (MD)
NPI
1134186166
Phone
(512) 447-2202
Address
4101 JAMES CASEY ST STE 100
Enumeration Date
26 April 2006
Last Update Date
10 February 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5124472202
Graduation Year
1987 (39 years ago)
PAC ID
9133128994
Group Practice PAC ID
5395658934
Professional Enrollment ID
I20061206000020
Address ID
TX787451145AU4101XSTXX401
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness75
Years active:20State licenses:2Digital endpointsOther names

770 MEDICAL ONCOLOGY in TX

Provider Addresses for DR. RENE ALBERTO CASTILLO (MD)

  • 4101 JAMES CASEY ST STE 100

    AUSTIN, TX 787451145

    Phone: (512) 447-2202

    Fax: (512) 447-5337

    Type: Location

  • Band Box Place, Dallas, Dallas County, Texas, 75244, United States

    DALLAS, TX 753911230

    Phone: (972) 997-8000

    Fax: (972) 234-2987

    Type: Mailing

  • Midtown Medical Parking Garage, 901, West 38th Street, Heritage, Austin, Travis County, Texas, 78756, United States

    SUITE 200

    AUSTIN, TX 787051165

    Phone: (512) 421-4100

    Fax: (512) 451-3709

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 11 Open Payments records for all available years, with a total value of $387.

Total Amount is formed as General ($387) + Research ($0) + Ownership ($0) = $387.

Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Stryker Corporation ($170).

Total Amount

$387

General + Research + Ownership

Payments

11

Total payment records

General Amount

$387

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-15

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-12-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20061206000020IMedical OncologyTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
Q0138Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use)68,85052$0
J1756Injection, iron sucrose, 1 mg61,30059$0
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)16,83013$0
J9271Injection, pembrolizumab, 1 mg15,30029$0
J9263Injection, oxaliplatin, 0.5 mg11,00013$0
View full utilization report →

Insurance plans in this area (ZIP 78745)

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Provider's Procedures

DR. RENE ALBERTO CASTILLO (MD) performs procedures in MEDICAL ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
MEDICAL ONCOLOGYTX71250CT scan chest1813
MEDICAL ONCOLOGYTX90670Pneumococcal vaccine for injection into muscle1414
MEDICAL ONCOLOGYTX96367Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour728149
MEDICAL ONCOLOGYTX96375Injection of different drug or substance into a vein for therapy, diagnosis, or prevention22185
MEDICAL ONCOLOGYTX96415Infusion of chemotherapy into a vein24574

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5395658934View full group profile
NameSpecialtyState
Surgical OncologyTX
Medical Oncology, Internal MedicineTX
Certified Clinical Nurse Specialist (Cns)TX
Medical Oncology, Internal MedicineTX
Physician AssistantTX
Medical Oncology, Internal MedicineTX
Medical Oncology, Hematology/Oncology, Internal MedicineTX
Radiation OncologyTX
-TX
-TX

Reviews

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Frequently asked questions

What is the standard ID for DR. RENE ALBERTO CASTILLO (MD) in the U.S.?
In the U.S., DR. RENE ALBERTO CASTILLO (MD) is identified by NPI 1134186166.
Should I treat DR. RENE ALBERTO CASTILLO (MD) as an active provider?
Patients and plans typically see DR. RENE ALBERTO CASTILLO (MD) as active in the national extract.
How should patients interpret DR. RENE ALBERTO CASTILLO (MD)'s specialty?
The extract shows Medical Oncology Physician for DR. RENE ALBERTO CASTILLO (MD). Clinical services aligned with this taxonomy classification.
Which community is linked to DR. RENE ALBERTO CASTILLO (MD)?
DR. RENE ALBERTO CASTILLO (MD) shows a connection to Austin, Texas in registry-derived data.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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