Doctor profile · Federal record

Dr. Flavio Alvarez, MD

Nephrology Physician (CMS: Nephrology) · Emergency Medicine Physician · Live Oak, TX

  • NPI 1932175601
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11481 Toepperwein RD, Ste 1202
Live Oak, TX 78233
(210) 655-8470
fax (210) 967-0276
Mailing address
16620 N US Highway 281, Ste 300
San Antonio, TX 782322327

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 12, 2022
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #K4849
Medicaid
TX #046188101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932175601. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,975
Distinct HCPCS
10
Medicare allowed
$290,295
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 392 74 $58
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 389 56 $338
99214 Established patient office or other outpatient visit, 30-39 minutes 329 194 $106
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 262 80 $76
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 155 58 $45
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 93 41 $280
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 83 45 $114
90966 Home dialysis services per month (20 years or older) 59 12 $271
99426 Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 49 15 $59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 45 43 $167

In context: peer comparison

Among 4 peers in Live Oak Nephrology Physician, average services per provider: 191. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,100
Transactions
94
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 14 $377.07
Aurinia Pharma U.S., INC. 8 $303.22
Amgen INC. 16 $230.84
Ardelyx, INC. 5 $188.74
Fresenius USA Marketing, INC. 18 $162.22
VentureMed Group, INC. 1 $152.87
Bayer Healthcare Pharmaceuticals INC. 9 $145.27
CorMedix INC. 3 $87.60
Novartis Pharmaceuticals Corporation 3 $85.82
Otsuka America Pharmaceutical, INC. 3 $73.73
Mallinckrodt Hospital Products INC. 3 $60.43
Travere Therapeutics, INC. 4 $57.86
Novo Nordisk INC 3 $53.76
Opko Pharmaceuticals, LLC 3 $43.81
Ani Pharmaceuticals, INC. 1 $20.71

By nature of payment

Food and Beverage
$2,100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,685
Patients
533
Total drug cost
$559,811
Drug Type Claims Patients Total cost
Farxiga (Dapagliflozin Propanediol) Brand 196 67 $166,641
Amlodipine Besylate Generic 186 53 $1,246
Losartan Potassium Generic 172 60 $2,211
Nifedipine ER (Nifedipine) Brand 170 59 $7,875
Furosemide Generic 127 48 $1,026
Sevelamer Carbonate Generic 124 42 $26,954
Carvedilol Generic 121 38 $1,506
Lisinopril Generic 113 32 $1,051
Pantoprazole Sodium Generic 77 24 $1,865
Auryxia (Ferric Citrate) Brand 75 24 $174,663

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Flavio Alvarez's medical specialty?
Dr. Flavio Alvarez practices Nephrology Physician in Live Oak, TX.
Where does Dr. Flavio Alvarez practice?
Dr. Flavio Alvarez practices at 11481 Toepperwein RD, Live Oak, TX 78233. Office phone: 2106558470.
What is Dr. Flavio Alvarez's NPI?
Dr. Flavio Alvarez's National Provider Identifier (NPI) is 1932175601, issued by NPPES.
Does Dr. Flavio Alvarez accept Medicare assignment?
Yes. Dr. Flavio Alvarez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Flavio Alvarez commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.