Doctor profile · Federal record
Dr. Carlo Castillo, D.O.
Nephrology Physician (CMS: Neurology) · Internal Medicine Physician · Huntsville, AL
- NPI 1518176031
- Accepts Medicare
- 21 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2780 Bob Wallace Ave Sw
Huntsville, AL 358054104
(256) 533-4626 - Mailing address
-
1600 Colonial Lake Dr, Apt #1611
Madison, AL 357582295
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- July 19, 2012
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Alabama #DO.1278 · Michigan #5101016534
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518176031. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,580
Distinct HCPCS
10
Medicare allowed
$173,124
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 533 | 194 | $74 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 276 | 184 | $80 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 184 | 97 | $112 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 125 | 65 | $112 | |
90935 |
Hemodialysis procedure with physician evaluation | 124 | 53 | $67 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 116 | 17 | $329 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 91 | 89 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 80 | 79 | $162 | |
81003 |
Automated urinalysis test | 20 | 20 | $2 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $154 |
In context: peer comparison
Among 7 peers in Huntsville Nephrology Physician, average services per provider: 176. This provider delivers 9.0× the peer median.Open Payments
Industry payments received
All-time total
$1,465
Transactions
58
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Calliditas Therapeutics US INC. | 10 | $273.24 | |
| Akebia Therapeutics INC | 5 | $207.76 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 7 | $169.23 | |
| Otsuka America Pharmaceutical, INC. | 8 | $136.61 | |
| Vifor Pharma, INC. | 4 | $94.72 | |
| Novartis Pharmaceuticals Corporation | 3 | $69.89 | |
| Bayer Healthcare Pharmaceuticals INC. | 3 | $66.46 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $62.16 | |
| Opko Pharmaceuticals, LLC | 3 | $57.33 | |
| Mallinckrodt Hospital Products INC. | 2 | $50.56 | |
| Aurinia Pharma U.S., INC. | 2 | $49.83 | |
| Travere Therapeutics, INC. | 2 | $48.82 | |
| Amgen INC. | 2 | $46.10 | |
| Lilly USA, LLC | 2 | $42.27 | |
| Ardelyx, INC. | 2 | $39.01 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
519
Patients
127
Total drug cost
$57,438
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydralazine Hcl | Generic | 74 | 26 | $1,423 |
| Carvedilol | Generic | 55 | 17 | $529 |
| Sevelamer Carbonate | Generic | 52 | 15 | $11,194 |
| Losartan Potassium | Generic | 50 | 13 | $824 |
| Nifedipine ER (Nifedipine) | Brand | 47 | 16 | $1,872 |
| Amlodipine Besylate | Generic | 42 | 11 | $312 |
| Furosemide | Generic | 33 | 14 | $176 |
| Calcitriol | Generic | 32 | 0 | $1,502 |
| Torsemide | Generic | 31 | 15 | $646 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 22 | 0 | $17,242 |
Hospital affiliations
Frequently asked questions
What is Dr. Carlo Castillo's medical specialty?
Dr. Carlo Castillo practices Nephrology Physician in Huntsville, AL.
Where does Dr. Carlo Castillo practice?
Dr. Carlo Castillo practices at 2780 Bob Wallace Ave Sw, Huntsville, AL 358054104. Office phone: 2565334626.
What is Dr. Carlo Castillo's NPI?
Dr. Carlo Castillo's National Provider Identifier (NPI) is 1518176031, issued by NPPES.
Does Dr. Carlo Castillo accept Medicare assignment?
Yes. Dr. Carlo Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carlo Castillo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.