Doctor profile · Federal record
Dr. Alex Villacastin, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Citrus Springs, FL
- NPI 1194827097
- Accepts Medicare
- 35 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10489 N Florida Ave
Citrus Springs, FL 344343268
(352) 489-2486
fax (352) 489-5786
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- December 29, 2014
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Florida #ME071085
- Medicaid
- FL #25180660
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194827097. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,379
Distinct HCPCS
10
Medicare allowed
$375,809
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 1,233 | 299 | $105 | |
36415 |
Insertion of needle into vein for collection of blood sample | 665 | 422 | $8 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 510 | 170 | $73 | |
87428 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 371 | 276 | $48 | |
81002 |
Urinalysis, manual test | 303 | 228 | $3 | |
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 294 | 54 | $75 | |
85610 |
Blood test, clotting time | 212 | 24 | $4 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 189 | 87 | $122 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 162 | 135 | $179 | |
83036 |
Hemoglobin a1c level | 131 | 114 | $10 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 158. This provider delivers 34× the peer median.Open Payments
Industry payments received
All-time total
$2,807
Transactions
116
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 22 | $846.66 | |
| PFIZER INC. | 23 | $372.35 | |
| Abbott Laboratories | 5 | $224.54 | |
| GlaxoSmithKline, LLC. | 13 | $192.55 | |
| ABBVIE INC. | 9 | $159.95 | |
| Novo Nordisk Inc | 8 | $157.00 | |
| Amgen Inc. | 9 | $131.51 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 4 | $87.07 | |
| Janssen Pharmaceuticals, Inc | 4 | $73.23 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $71.41 | |
| Lilly USA, LLC | 4 | $68.25 | |
| Exact Sciences Corporation | 4 | $66.56 | |
| UCB, Inc. | 2 | $60.64 | |
| Astellas Pharma US Inc | 3 | $60.27 | |
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $58.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
14,458
Patients
4,375
Total drug cost
$194,934
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 2,041 | 609 | $25,940 |
| Levothyroxine Sodium | Generic | 1,543 | 434 | $22,091 |
| Losartan Potassium | Generic | 1,209 | 374 | $16,347 |
| Lisinopril | Generic | 1,118 | 361 | $7,864 |
| Rosuvastatin Calcium | Generic | 995 | 359 | $19,251 |
| Amlodipine Besylate | Generic | 977 | 307 | $7,001 |
| Furosemide | Generic | 969 | 239 | $5,511 |
| Gabapentin | Generic | 966 | 277 | $18,028 |
| Metformin Hcl | Generic | 762 | 256 | $6,039 |
| Tamsulosin Hcl | Generic | 752 | 228 | $14,313 |
Hospital affiliations
Frequently asked questions
What is Dr. Alex Villacastin's medical specialty?
Dr. Alex Villacastin practices Internal Medicine Physician in Citrus Springs, FL.
Where does Dr. Alex Villacastin practice?
Dr. Alex Villacastin practices at 10489 N Florida Ave, Citrus Springs, FL 344343268. Office phone: 3524892486.
What is Dr. Alex Villacastin's NPI?
Dr. Alex Villacastin's National Provider Identifier (NPI) is 1194827097, issued by NPPES.
Does Dr. Alex Villacastin accept Medicare assignment?
Yes. Dr. Alex Villacastin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Villacastin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.