DR. ARIAN GOWER M.D.
NPI 1639531403
Internal Medicine - Nephrology in Thousand Oaks, CA

Q: What is Arian Gower's NPI number?

The NPI number for Arian Gower is 1639531403. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Q: What is Arian Gower's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Arian Gower was last updated on February 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment

227 W JANSS RD STE 310, THOUSAND OAKS, CA 91360(805) 496-5800(805) 496-5800 Get Directions Write a Review

NPPES record last updated: February 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 8, 2023, Jun 29, 2021, Mar 22, 2016 (3 updates tracked since 2016).

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About Dr. Arian Gower M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ARIAN GOWER M.D. (NPI 1639531403) is an individual nephrology provider in Thousand Oaks, California, licensed in California (A172943) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in West Hills, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2016).

NPPES Registry Identity

NPI1639531403

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. ARIAN GOWERCredential: M.D.

Location Address227 W JANSS RD STE 310Thousand Oaks, CA 91360-1889

Mailing Address227 W Janss Rd Ste 310Thousand Oaks, CA 91360-1889 · (805) 496-5800 · Fax (805) 834-1088

Phone(805) 496-5800

Fax(805) 496-5800

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 2016

Enumeration DateMarch 22, 2016

Last NPPES UpdateFebruary 8, 20233 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2021

✔ NPI 1639531403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · A172943

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

227 W JANSS RD STE 310, Thousand Oaks, CA 91360

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Secondary Practice Location 1

Location 17301 Medical Center Dr Ste 200West Hills, CA 91307-1936 · Phone (818) 573-6755 · Fax (818) 493-1231

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Arian Gower M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224323142

PECOS Enrollment IDI20210707001040

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Arian Gower reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Renal Consultants Medical Group

22 mi

Nephrology

23928 LYONS AVE STE 205
Newhall, CA 91321

Reassigned Medicare billing, California enrollment
13 clinicians in this Medicare group

NPI 1912042342 (661) 254-0193

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

2,183 services424 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

632 services218 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

587 services43 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

397 services52 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

389 services306 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

253 services40 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

144 services60 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

100 services16 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

78 services32 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

52 services52 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

49 services47 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

45 services43 patients

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 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

41 services11 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

29 services12 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

24 services11 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

19 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

17 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$140.72 typical visit price

range $62.32 – $185.36

Typical copayment $35.18 (range $15.58 – $46.34)

Most-billed visit code 99204

Established Patient

$108.74 typical visit price

range $20.68 – $151.85

Typical copayment $27.18 (range $5.17 – $37.96)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Arian Gower's NPI number?

The NPI number for Arian Gower is 1639531403. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Arian Gower located?

Arian Gower practices at 227 W Janss Rd Ste 310, Thousand Oaks, CA 91360. The listed phone number is (805) 496-5800.

What is Arian Gower's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Arian Gower enrolled in Medicare?

Yes. Arian Gower is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Arian Gower's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arian Gower reassigns Medicare benefits to Renal Consultants Medical Group (Newhall, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Arian Gower's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Arian Gower was last updated on February 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.