VIVIAN DIEP
NPI 1487167912
Physician Assistant in San Jose, CA

Active since November 06, 2017PECOS Enrolled
2690 S WHITE RD STE 50, SAN JOSE, CA 95148(408) 223-7000(408) 223-7001 Get Directions Write a Review

NPPES record last updated: January 15, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 15, 2020, May 14, 2018, Nov 6, 2017 (3 updates tracked since 2017).

About Vivian Diep NPPES

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

VIVIAN DIEP (NPI 1487167912) is an individual physician assistant in San Jose, California and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Jose.

NPPES Registry Identity

NPI1487167912
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameVIVIAN DIEP
Location Address2690 S WHITE RD STE 50San Jose, CA 95148-2075
Mailing Address751 S Bascom AveSan Jose, CA 95128-2604
Fax(408) 223-7001
Sole ProprietorYes
Enumeration DateNovember 6, 2017
Last NPPES UpdateJanuary 15, 20203 updates tracked since enumeration
NPI 1487167912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
2690 S WHITE RD STE 50, San Jose, CA 95148

Secondary Practice Location 1

Location 1751 S Bascom AveSan Jose, CA 95128-2604 · Phone (888) 334-1000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Vivian Diep is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 4

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.

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.
62 services59 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
48 services43 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.
19 services19 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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95148 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier13 claims3,390 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier25 claims11,700 services$0.01 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier12 claims12 services$18.88 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier34 claims39 services$12.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

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

Physician Assistant
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Pediatrics (Pediatric Endocrinology)
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Pediatrics (Pediatric Endocrinology)
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Nurse Practitioner
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Internal Medicine (Rheumatology)
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Internal Medicine (Rheumatology)
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2690 S WHITE RD STE 50
SAN JOSE, CA 95148
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2690 S WHITE RD STE 50
SAN JOSE, CA 95148

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 Vivian Diep's NPI number?

The NPI number for Vivian Diep is 1487167912. It was assigned to this individual provider in the NPPES registry on November 6, 2017.

Where is Vivian Diep located?

Vivian Diep practices at 2690 S White Rd Ste 50, San Jose, CA 95148. The listed phone number is (408) 223-7000.

What is Vivian Diep's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Vivian Diep enrolled in Medicare?

Yes. Vivian Diep is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Vivian Diep was last updated on January 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.