JULIA ARZENO M.D. (06/2017)
NPI 1578094785
Dermatology in San Jose, CA

Active since March 21, 2017PECOS EnrolledAccepts Medicare Assignment
98.3/100
CMS Quality Rating
2420 SAMARITAN DR, SAN JOSE, CA 95124(408) 369-5600(408) 369-5625 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2025, May 27, 2022, Mar 21, 2017 (3 updates tracked since 2017).

About Julia Arzeno M.d. (06/2017) NPPES

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

JULIA ARZENO M.D. (06/2017) (NPI 1578094785) is an individual dermatology provider in San Jose, California, licensed in California (A160666) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Saratoga, and is a graduate of University Of California, Geffen School Of Medicine (2017).

NPPES Registry Identity

NPI1578094785
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameJULIA ARZENOCredential: M.D. (06/2017)
Location Address2420 SAMARITAN DRSan Jose, CA 95124-3907
Mailing Address2420 Samaritan DrSan Jose, CA 95124-3907
Fax(408) 369-5625
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2017
Enumeration DateMarch 21, 2017
Last NPPES UpdateOctober 16, 20253 updates tracked since enumeration
NPPES CertifiedOctober 16, 2025
NPI 1578094785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in CA · A160666
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X · License A160666 (CA)
2420 SAMARITAN DR, San Jose, CA 95124

Secondary Practice Location 1

Location 118988 Cox Ave Ste BSaratoga, CA 95070-4154 · Phone (408) 253-4407 · Fax (408) 253-4499

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

Julia Arzeno M.d. (06/2017) 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 ID7416338421
PECOS Enrollment IDI20220722000632
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 30

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.

Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311
This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.
413 services357 patients
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312
This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.
308 services193 patients
Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 13132
This procedure involves the complex repair of a wound in areas like the forehead, cheeks, chin, mouth, neck, underarms, hands, or feet. The wound size ranges from 2.6-7.5 cm. The process includes cleaning, removing damaged tissue, and stitching the wound for proper healing.
143 services138 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
140 services24 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
125 services90 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
119 services112 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95124 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40

Other Providers at the Same Location NPPES 5

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

Clinic/Center (Ambulatory Surgical)
2420 SAMARITAN DR
SAN JOSE, CA 95124
Pediatrics
2420 SAMARITAN DR
SAN JOSE, CA 95124
Dermatology (Dermatopathology)
2420 SAMARITAN DR
SAN JOSE, CA 95124
Nurse Practitioner
2420 SAMARITAN DR
SAN JOSE, CA 95124
Pathology (Anatomic Pathology)
2420 SAMARITAN DR
SAN JOSE, CA 95124

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 Julia Arzeno's NPI number?

The NPI number for Julia Arzeno is 1578094785. It was assigned to this individual provider in the NPPES registry on March 21, 2017.

Where is Julia Arzeno located?

Julia Arzeno practices at 2420 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 369-5600.

What is Julia Arzeno's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Julia Arzeno enrolled in Medicare?

Yes. Julia Arzeno 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.

When was this NPI record last updated?

The NPPES record for Julia Arzeno was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.