Dr Brian S Castillo, MD - Medicare Pathology in Houston, TX

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Dr Brian S Castillo, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Houston, Texas. He went to University Of Texas Medical School At Houston and graduated in 2008 and has 16 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Methodist Pathology Associates Pllc and his current practice location is 6431 Fannin St, Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (713) 500-5301.

Dr Brian S Castillo is licensed to practice in Texas (license number Q4375) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1528224151.

Contact Information

Dr Brian S Castillo, MD
6431 Fannin St,
Houston, TX 77030-1501
(713) 500-5301
Not Available

Map and Direction




Physician's Profile

Full NameDr Brian S Castillo
GenderMale
SpecialityPathology
Experience16 Years
Location6431 Fannin St, Houston, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Brian S Castillo attended and graduated from University Of Texas Medical School At Houston in 2008
  NPI Data:
  • NPI Number: 1528224151
  • Provider Enumeration Date: 08/04/2008
  • Last Update Date: 08/03/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 4082928403
  • Enrollment ID: I20150729009589

Medical Identifiers

Medical identifiers for Dr Brian S Castillo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528224151NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology Q4375 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Houston Methodist HospitalHouston, TXHospital
Houston Methodist Sugarland HospitalSugar land, TXHospital
Houston Methodist St John HospitalNassau bay, TXHospital
Houston Methodist The Woodlands HospitalThe woodlands, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Methodist Pathology Associates Pllc408262517365

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Brian S Castillo allows following entities to bill medicare on his behalf.
Entity NameThe University Of Texas Health Science Center At Houston
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831142751
PECOS PAC ID: 8224936836
Enrollment ID: O20031220000059
Entity NameMethodist Pathology Associates Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508824806
PECOS PAC ID: 4082625173
Enrollment ID: O20060607000075

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Brian S Castillo is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Brian S Castillo, MD
6431 Fannin St,
Houston, TX 77030-1501

Ph: (713) 500-5301		Dr Brian S Castillo, MD
6431 Fannin St,
Houston, TX 77030-1501

Ph: (713) 500-5301

Reviews and Comments


Pathology Doctors in Houston, TX

Dr. Angshumoy Roy, M.D., PH.D.
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Phone: 713-873-3224    
Dr. Bryan Keith Guillory, M.D.
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Practice Location: 1515 Holcombe Blvd, Houston, TX 77030
Phone: 713-792-6161    
Dr. Ross A Miller, M.D.
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Practice Location: 6565 Fannin Street, Suite B490, Houston, TX 77030
Phone: 713-441-9027    Fax: 713-793-1603
Dr. Richard Hausner, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 10655 Steepletop Dr, Pathology Department, Houston, TX 77065
Phone: 281-897-3165    Fax: 281-897-0170
Darshan R Phatak, M.D.
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Practice Location: 1885 Old Spanish Trail, Harris County Medical Examiner, Houston, TX 77054
Phone: 713-796-6776    
Dr. Choladda Vejabhuti Curry, M.D.
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Medicare: Medicare Enrolled
Practice Location: 6621 Fannin St, Ab1195, Houston, TX 77030
Phone: 832-824-5161    Fax: 832-825-1032
Zhonghua Liu, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1515 Holcombe Blvd, Houston, TX 77030
Phone: 832-785-9142    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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