AREN VIERRA MD
NPI 1528587185
Radiology - Diagnostic Radiology in Mountain View, CA

Q: What is Aren Vierra's NPI number?

The NPI number for Aren Vierra is 1528587185. It was assigned to this individual provider in the NPPES registry on September 14, 2017.

Q: What is Aren Vierra's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Aren Vierra was last updated on July 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 14, 2017PECOS EnrolledAccepts Medicare Assignment

701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 94040(650) 934-7700 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 8, 2025, Jul 19, 2024, Jun 11, 2020 and 1 more (4 updates tracked since 2017).

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About Aren Vierra Md NPPES

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

AREN VIERRA MD (NPI 1528587185) is an individual diagnostic radiology provider in Mountain View, California, licensed in California (A182053) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of California, Davis School Of Medicine (2019).

NPPES Registry Identity

NPI1528587185

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameAREN VIERRACredential: MD

Location Address701 E EL CAMINO REALMountain View, CA 94040-2833

Mailing AddressPo Box 276950Sacramento, CA 95827-6950

Phone(650) 934-7700

Sole ProprietorNo

Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2019

Enumeration DateSeptember 14, 2017

Last NPPES UpdateJuly 14, 20254 updates tracked since enumeration

NPPES CertifiedJuly 14, 2025

✔ NPI 1528587185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · A182053

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

701 E EL CAMINO REAL, Mountain View, CA 94040

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Secondary Practice Locations 3

Location 11600 Divisadero St Rm C250San Francisco, CA 94143-3010 · Phone (415) 885-7464

Location 21001 Potrero Avenue Bld5 1st FLSan Francisco, CA 94110 · Phone (628) 206-8020 · Fax (628) 206-4004

Location 34610 X StSacramento, CA 95817-2200 · Phone (916) 816-7164

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aren Vierra Md 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 ID3971949702

PECOS Enrollment IDI20240710000586

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.

Areas of Expertise CMS Part B claims 6

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

113 services89 patients

X-ray for bone length assessment 77073

An X-ray for bone length assessment is a simple, non-invasive imaging test. It helps to evaluate the length of your bones and identify any discrepancies or abnormalities. This procedure is quick, painless, and provides valuable information for your healthcare provider.

64 services63 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

63 services62 patients

X-ray of entire middle and lower spine, 2-3 views 72082

An X-ray of your middle and lower spine involves capturing images of these areas to identify any abnormalities. The procedure involves taking 2-3 different views for a comprehensive understanding. It's non-invasive and usually painless, helping doctors diagnose conditions like fractures or infections.

45 services43 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

25 services19 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94040 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

Most-billed visit code 99213

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

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIA A CRONIN MD

Allergy & Immunology (Allergy)