Doctor profile · Federal record
Dr. Alexander Villareal, M.D.
Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Internal Medicine Physician · Sleep Medicine (Internal Medicine) Physician · La Crosse, WI
- NPI 1609094457
- Accepts Medicare
- 27 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- April 29, 2016
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RS0012X — NUCC code
- State licenses (2)
- Wisconsin #57998 · Pennsylvania #MD431468
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609094457. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
750
Distinct HCPCS
9
Medicare allowed
$53,380
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 264 | 249 | $63 | |
95800 |
Sleep study including heart rate, breathing, and sleep time | 116 | 116 | $39 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 91 | 74 | $92 | |
95810 |
Sleep study in sleep lab (6 years or older) | 79 | 78 | $114 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 62 | 62 | $78 | |
99421 |
Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes | 43 | 43 | $12 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $127 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 32 | 32 | $118 | |
G0399 |
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 27 | 27 | $43 |
In context: peer comparison
Among 3 peers in La Crosse Sleep Medicine (Internal Medicine) Physician, average services per provider: 71. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
252
Patients
12
Total drug cost
$9,854
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methylphenidate Hcl | Generic | 79 | 0 | $2,426 |
| Clonazepam | Generic | 47 | 0 | $558 |
| Modafinil | Generic | 38 | 12 | $2,725 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 34 | 0 | $1,255 |
| Armodafinil | Generic | 32 | 0 | $2,103 |
| Methylphenidate ER (Methylphenidate Hcl) | Brand | 11 | 0 | $722 |
| Temazepam | Generic | 11 | 0 | $65 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexander Villareal's medical specialty?
Dr. Alexander Villareal practices Sleep Medicine (Internal Medicine) Physician in La Crosse, WI.
Where does Dr. Alexander Villareal practice?
Dr. Alexander Villareal practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Alexander Villareal's NPI?
Dr. Alexander Villareal's National Provider Identifier (NPI) is 1609094457, issued by NPPES.
Does Dr. Alexander Villareal accept Medicare assignment?
Yes. Dr. Alexander Villareal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Villareal commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Sleep study including heart rate, breathing, and sleep time (HCPCS 95800); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.