Doctor profile · Federal record

Dr. Brian Ayuste, M.D.

Internal Medicine Physician (CMS: Nephrology) · Granada Hills, CA

  • NPI 1104003458
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10605 Balboa Blvd, 240
Granada Hills, CA 913446342
(818) 366-4626
fax (818) 366-4630

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
January 28, 2014
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A99851

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104003458. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,688
Distinct HCPCS
10
Medicare allowed
$474,059
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,062 211 $127
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 549 89 $43
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 499 95 $54
99215 Established patient office or other outpatient visit, 40-54 minutes 435 132 $174
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 311 63 $59
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 258 80 $380
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 218 187 $185
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 90 28 $85
99291 Critical care, first 30-74 minutes 85 28 $226
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 44 41 $23

In context: peer comparison

Among 2 peers in this city , average services per provider: 220. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,391
Transactions
58
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 17 $404.94
AstraZeneca Pharmaceuticals LP 8 $191.42
Aurinia Pharma U.S., Inc. 5 $112.46
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $110.58
GlaxoSmithKline, LLC. 3 $93.38
Novartis Pharmaceuticals Corporation 3 $90.24
Otsuka America Pharmaceutical, Inc. 4 $90.14
AKEBIA THERAPEUTICS INC 3 $81.49
Bayer Healthcare Pharmaceuticals Inc. 3 $59.53
Mallinckrodt Hospital Products Inc. 2 $49.02
CALLIDITAS THERAPEUTICS US INC. 2 $38.87
OPKO Pharmaceuticals, LLC 1 $19.61
Vifor Pharma, Inc. 1 $19.55
Lilly USA, LLC 1 $17.55
Travere Therapeutics, Inc. 1 $12.34

By nature of payment

Food and Beverage
$1,367
Education
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,749
Patients
516
Total drug cost
$344,792
Drug Type Claims Patients Total cost
Furosemide Generic 236 69 $1,800
Hydralazine Hcl Generic 233 68 $5,517
Tamsulosin Hcl Generic 186 52 $7,930
Kerendia (Finerenone) Brand 163 27 $132,903
Losartan Potassium Generic 127 37 $2,304
Amlodipine Besylate Generic 117 47 $1,346
Allopurinol Generic 116 40 $1,970
Paricalcitol Generic 87 22 $17,017
Lokelma (Sodium Zirconium Cyclosilicate) Brand 83 18 $62,304
Atorvastatin Calcium Generic 81 28 $1,187

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Ayuste's medical specialty?
Dr. Brian Ayuste practices Internal Medicine Physician in Granada Hills, CA.
Where does Dr. Brian Ayuste practice?
Dr. Brian Ayuste practices at 10605 Balboa Blvd, Granada Hills, CA 913446342. Office phone: 8183664626.
What is Dr. Brian Ayuste's NPI?
Dr. Brian Ayuste's National Provider Identifier (NPI) is 1104003458, issued by NPPES.
Does Dr. Brian Ayuste accept Medicare assignment?
Yes. Dr. Brian Ayuste accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Ayuste commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457). Source: CMS Medicare Physician & Other Practitioners file.