Doctor profile · Federal record

Dr. Arian Gower, M.D.

Nephrology Physician (CMS: Nephrology) · Thousand Oaks, CA

  • NPI 1639531403
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
227 W Janss RD Ste 310
Thousand Oaks, CA 913601889
(805) 496-5800
fax (805) 496-5800
Additional location
7301 Medical Center Dr Ste 200
West Hills, CA 913071936
(818) 573-6755
fax (818) 493-1231

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
February 8, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A172943

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639531403. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,746
Distinct HCPCS
10
Medicare allowed
$625,388
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 2,389 393 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 514 175 $175
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 390 337 $184
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 297 51 $43
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 261 55 $54
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 210 43 $59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 198 101 $84
99291 Critical care, first 30-74 minutes 121 60 $223
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 114 19 $380
99205 New patient office or other outpatient visit, 60-74 minutes 45 45 $238

In context: peer comparison

Among 3 peers in Thousand Oaks Nephrology Physician, average services per provider: 488. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22,877
Transactions
167
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 76 $18,032.57
Calliditas Therapeutics US INC. 5 $2,061.88
AstraZeneca Pharmaceuticals Lp 23 $861.88
Aurinia Pharma U.S., INC. 7 $347.35
Bayer Healthcare Pharmaceuticals INC. 12 $323.97
Lexicon Pharmaceuticals, INC. 4 $218.70
GlaxoSmithKline, LLC. 9 $155.19
Novartis Pharmaceuticals Corporation 8 $149.39
Boehringer Ingelheim Pharmaceuticals, INC. 5 $132.49
Novo Nordisk INC 4 $111.68
Otsuka America Pharmaceutical, INC. 5 $111.56
Ani Pharmaceuticals, INC. 3 $71.20
Lilly USA, LLC 2 $50.98
Mallinckrodt Hospital Products INC. 2 $48.16
Akebia Therapeutics INC 2 $42.60

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$14,025
Food and Beverage
$5,233
Consulting Fee
$1,800
Travel and Lodging
$1,716
Education
$103

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
593
Patients
209
Total drug cost
$142,356
Drug Type Claims Patients Total cost
Losartan Potassium Generic 114 45 $2,498
Amlodipine Besylate Generic 95 41 $2,110
Farxiga (Dapagliflozin Propanediol) Brand 42 14 $41,939
Allopurinol Generic 37 12 $587
Nifedipine ER (Nifedipine) Brand 37 13 $1,533
Chlorthalidone Generic 35 16 $515
Kerendia (Finerenone) Brand 34 0 $36,568
Torsemide Generic 33 15 $894
Carvedilol Generic 32 14 $398
Spironolactone Generic 32 16 $415

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Arian Gower's medical specialty?
Dr. Arian Gower practices Nephrology Physician in Thousand Oaks, CA.
Where does Dr. Arian Gower practice?
Dr. Arian Gower practices at 227 W Janss RD Ste 310, Thousand Oaks, CA 913601889. Office phone: 8054965800.
What is Dr. Arian Gower's NPI?
Dr. Arian Gower's National Provider Identifier (NPI) is 1639531403, issued by NPPES.
Does Dr. Arian Gower accept Medicare assignment?
Yes. Dr. Arian Gower accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arian Gower commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.