A Phase 2, Open-Label, Basket Study of Atrasentan in Patients With Proteinuric Glomerular Diseases (opens in a new tab)
Active, not recruitingPhase 2
Nephritis, HereditaryGlomerulonephritis, IGAAtrasentan
Dr. Carlo Golez Castillo, DO
NPI1518176031PAC ID3971671108
- Medicare services, 2024
- 1,580
- Medicare patients, 2024
- 481
- Part D claims, 2024
- 941
- Clinical trials
- 3
- Hospital affiliations
- 5
- Practice address
- 2780 Bob Wallace SW Ave, Huntsville, AL 35805
- Practice phone
- Call (256) 533-4626
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nephrology Consultants
Huntsville, Alabama
Find Dr. Castillo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Carlo Golez Castillo is a nephrologist in Huntsville, Alabama
Dr. Castillo practices at Nephrology Consultants in Huntsville, Alabama.
Dr. Castillo's NPI, 1518176031, was assigned on May 22, 2007. Dr. Castillo graduated from Kansas City University of Physicians and Surgeons in 2005. Dr. Castillo holds Alabama license DO.1278.
NPI and contact details
- NPI
- 1518176031NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971671108
- NPI enumeration date
- May 22, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (256) 533-4626
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carlo Golez Castillo practices at Nephrology Consultants in Huntsville, Alabama
Dr. Castillo's primary practice is Nephrology Consultants, at 2780 Bob Wallace SW Ave, Huntsville, AL 35805 in Madison County. The practice phone is (256) 533-4626.
- Nephrology Consultants2780 Bob Wallace SW Ave, Huntsville, AL 35805 · Madison CountyPhone(256) 533-4626
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carlo Golez Castillo is affiliated with 12 sites of care and 1 medical group
Dr. Castillo's primary practice is Nephrology Consultants in Huntsville, Alabama. Dr. Castillo is also affiliated with Huntsville Hospital. The medical group on file is Nephrology Consultants, LLC. Dmand AI also links Dr. Castillo to 4 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.
Nephrology ConsultantsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Carlo Golez Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castillo practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nephrology Consultants | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Carlo Golez Castillo is one of 185 nephrologists in Alabama
Nephrology is Dr. Castillo's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Castillo's licenses on file in 2 states: Alabama and Michigan.
Specialties and state licenses
- Nephrology, AlabamaPrimary
- Internal medicine, Michigan
Nephrologists near Dr. Castillo
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Carlo Golez Castillo billed Medicare for 1,580 services in 2024
CMS data shows 1,580 Medicare services from Dr. Castillo across 12 procedure codes in 2024, for 481 Medicare patients. Medicare paid $104,260 for them.
Medicare services, 20241,580
Medicare patients481
Paid by Medicare$104,260
Procedure codes12
Dr. Castillo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3062024: 1,1829%
- Tests and treatments
- 2023: 2542024: 253No change
- Other services
- 2023: 02024: 120
- Lab and pathology
- 2023: 202024: 2525%
Where Dr. Castillo's Medicare services took place, 2024
- In an office70144%
- In a facility87956%
Dr. Castillo compared with the Alabama median for nephrologists, 2024
- Dr. Castillo
- Alabama median
- Medicare services
- 1,580vs 1,27424% above
- Medicare patients
- 481vs 34041% above
- Part D claims
- 762vs 8086% below
Medians across 180 nephrologists in Alabama with Dmand AI profiles that report each measure.
Dr. Castillo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Castillo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castillo and other nephrologists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carlo Golez Castillo treated 481 Medicare patients in 2024, average age 75
CMS counts 481 Medicare patients who saw Dr. Castillo in 2024. The largest group is 75 to 84, with 184 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 2.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Castillo's median patient age at 71, with 47% women.
Medicare patients, 2024481
Average age75
Average risk score2.86
Also on Medicaid15%
Dr. Castillo's Medicare patients by age, 2024
Dr. Castillo's Medicare patients by sex, 2024
- Women21946%
- Men26254%
Chronic conditions among Dr. Castillo's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Ischemic heart disease58%
- Arthritis53%
- Heart failure48%
- Atrial fibrillation40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carlo Golez Castillo wrote 941 Medicare Part D claims in 2024
In 2024, Dr. Castillo wrote 941 Medicare Part D claims for 170 patients. 87% of them were for generic drugs. CMS names the drug for 762 of them, across 21 drugs with 11 or more claims each, at $131,383 in total drug cost. In 2023, CMS named 578 claims across 20 drugs.
Part D claims, 2024941
Drugs named by CMS21
Total drug cost$131,383
Part D patients170
Dr. Castillo's Part D claims by kind of drug, 2024
- Generic816 claims87%
- Brand-name and other125 claims13%
Dr. Castillo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5782024: 76232%
Drugs named by CMS: 21 in 2024, 20 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Carlo Golez Castillo takes part in Medicare
Dr. Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Carlo Golez Castillo has worked on 3 clinical trials
Dmand AI links Dr. Castillo to 3 clinical trials. 2 are still active or recruiting. Conditions studied include Glomerulonephritis, IGA, Kidney Failure, Chronic and Nephritis, Hereditary.
Clinical trials with Dr. Castillo by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 1Phase 3: 1 trial
- 1Phase 4: 1 trial
Conditions in Dr. Castillo's trials
- Glomerulonephritis, IGA
- Kidney Failure, Chronic
- Nephritis, Hereditary
- Atrial Fibrillation
- Glomerulonephritis
Investigators on the most trials with Dr. Castillo
- Akinwande Akinbobola Akinfolarin, MD2 shared trials
- Wesley B. Calhoun, MD2 shared trials
- Mohamed Ali El-Shahawy, MD2 shared trials
Recent clinical trials with Dr. Castillo
A Phase 3, Randomized, Double-blind, Placebo-controlled Study of Atrasentan in Patients With IgA Nephropathy at Risk of Progressive Loss of Renal Function (opens in a new tab)
Active, not recruitingPhase 3
Glomerulonephritis, IGAGlomerulonephritisAtrasentan
RENal Hemodialysis Patients ALlocated Apixaban Versus Warfarin in Atrial Fibrillation (RENAL-AF) Randomized Clinical Trial (opens in a new tab)
CompletedPhase 4
Kidney Failure, ChronicAtrial FibrillationApixabanWarfarin
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Carlo Golez Castillo received $9,472 in industry payments from 2016 to 2025
CMS Open Payments shows 472 general payments to Dr. Castillo from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $1,100.
General payments to Dr. Castillo by program year, 2016 to 2025
General payments to Dr. Castillo by kind, 2016 to 2025
$9.5Kin total
- Food and beverage$9,37099%
- Education$1021%
Companies that paid Dr. Castillo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carlo Golez Castillo graduated from Kansas City University of Physicians and Surgeons
Dr. Castillo graduated from Kansas City University of Physicians and Surgeons in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carlo Golez Castillo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Carlo Golez Castillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Carlo Golez Castillo's NPI number?
Dr. Carlo Golez Castillo's NPI number is 1518176031. It was assigned on May 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Carlo Golez Castillo?
Dr. Carlo Golez Castillo is a nephrologist in Huntsville, Alabama. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Carlo Golez Castillo practice?
Dr. Castillo practices at 2780 Bob Wallace SW Ave, Huntsville, AL 35805. Dr. Castillo's primary practice is Nephrology Consultants in Huntsville, Alabama. Dmand AI also links Dr. Castillo to 4 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Carlo Golez Castillo's office phone number?
The practice phone on file for Dr. Castillo is (256) 533-4626.
What is Dr. Carlo Golez Castillo's medical license number?
Dr. Castillo holds Alabama license DO.1278, one of the licenses on file in 2 states.
Which states has Dr. Carlo Golez Castillo been licensed in?
Dmand AI has state licenses on file for Dr. Castillo in Alabama and Michigan.
Which hospitals is Dr. Carlo Golez Castillo affiliated with?
Dr. Castillo is affiliated with Huntsville Hospital. Dmand AI links Dr. Castillo to 4 more hospitals.
What medical group is Dr. Carlo Golez Castillo part of?
Dr. Castillo is linked to Nephrology Consultants, LLC.
Does Dr. Carlo Golez Castillo accept Medicare?
Yes. CMS data shows Dr. Castillo billed Medicare for 1,580 services in 2024, and Dr. Castillo accepts Medicare assignment.
How many Medicare patients does Dr. Carlo Golez Castillo see?
CMS counts 481 Medicare patients who saw Dr. Castillo in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Carlo Golez Castillo bill to Medicare?
In 2024, Dr. Castillo's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Carlo Golez Castillo go to medical school?
Dr. Castillo graduated from Kansas City University of Physicians and Surgeons in 2005.
What drugs does Dr. Carlo Golez Castillo prescribe most?
In 2024 Medicare Part D data, Dr. Castillo's most prescribed drugs by claims were Hydralazine HCl, Nifedipine ER and Sevelamer Carbonate.
Has Dr. Carlo Golez Castillo received payments from drug or device companies?
CMS Open Payments shows $9,472 in general payments to Dr. Castillo from 37 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Carlo Golez Castillo been practicing?
Dr. Castillo graduated from medical school in 2005, 21 years ago.
Does Dr. Carlo Golez Castillo do research?
Dr. Castillo has worked on 3 clinical trials.
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