Are you Brian S. Castillo, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 6431 Fannin St, Houston, TX 77030
About Dr. Castillo
Based in Houston, TX, Brian S. Castillo, M.D. is listed in the NPI registry under pathology. Brian graduated from University of Texas Medical School at Houston in 2008. Brian is also listed as specializing in anatomic & clinical pathology. Medicare claims data shows Brian provided 1,099 services to 860 patients. The services billed most often include protein measurement, serum, mechanical separation of plasma from blood, and protein measurement, body fluid. NPI 1528224151 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (713) 500-5301
- Email not available
Practice Locations
6431 FANNIN ST
Houston, TX 77030
Conditions Evaluated or Diagnosed
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Iron-deficiency anemia
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle cell disease
Cancer
- Bladder cancer
- Bone tumors
- Brain tumor
- Breast cancer
- Cervical cancer
- Colon cancer
- Endometrial cancer
- Kidney cancer
- Liver cancer
- Lung cancer
- Oral cavity cancer
- Ovarian cancer
- Pancreatic cancer
- Prostate cancer
- Soft-tissue sarcoma
- Stomach cancer
- Testicular cancer
- Thyroid cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Procedures & services
Autopsy & Forensic
Blood Tests
- Blood Clotting Tests
- Blood Type Test
- Cholesterol screening
- Complete Blood Count
- Comprehensive Metabolic Panel
- Hemoglobin A1c Test
- Iron Level Blood Test
- Thyroid Blood Test
Cytology
Cytology & Screening
- Fine-needle aspiration of a neck mass
- Human papillomavirus testing
- Pap Smear Test
- Thyroid Nodule Biopsy Review
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
- Cardiac enzyme blood test
- Pregnancy blood test
- Sed rate inflammation test
- Testosterone blood test
- Vitamin D blood test
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
- Bone Marrow Biopsy Interpretation
- Breast Biopsy Analysis
- Cervical biopsy lab review
- Colon Polyp Testing
- Kidney Biopsy Examination
- Liver Biopsy Examination
- Lung biopsy lab review
- Lymph Node Biopsy Analysis
- Oral biopsy lab review
- Prostate Biopsy Analysis
- Skin Biopsy Lab Review
- Stomach biopsy lab review
- Uterine biopsy lab review
Procedures Most Often Billed to Medicare
1,099 services · 860 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Mechanical separation of plasma from blood | Procedure | 36514 |
177 | More than most peers in Pathology |
| Protein measurement, serum | Lab test | 84165 |
702 | More often than most peers in Pathology |
| Protein measurement, body fluid | Lab test | 84166 |
157 | More often than most peers in Pathology |
| Immunologic analysis technique on body fluid, other fluids with concentration | Lab test | 86335 |
63 | More often than most peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pathologists in Houston 8
Same specialty, same city.
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2008 at University of Texas Medical School at Houston 8
Providers who graduated from the same medical school in the same year.
Also performs Mechanical separation of plasma from blood 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Brian S. Castillo specialize in?
Brian S. Castillo is a pathologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Where is Brian S. Castillo located?
Brian S. Castillo is listed at 6431 Fannin St, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Brian S. Castillo's phone number?
The number on file is (713) 500-5301. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Brian S. Castillo?
Brian S. Castillo's National Provider Identifier is 1528224151. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Brian S. Castillo train?
Brian S. Castillo attended University of Texas Medical School at Houston, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Brian S. Castillo have?
Brian S. Castillo has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Brian S. Castillo do most often?
According to Medicare billing data, Brian S. Castillo performs procedures including mechanical separation of plasma from blood, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Brian S. Castillo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Brian S. Castillo. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.