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BENJAMIN WEIZER CHANG
NPI 1952780652
Nurse Practitioner in Fremont, CA

Active since May 27, 2015PECOS EnrolledAccepts Medicare Assignment
39180 FARWELL DR, FREMONT, CA 94538(510) 585-2545 Get Directions Write a Review

NPPES record last updated: May 27, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Benjamin Weizer Chang NPPES

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

BENJAMIN WEIZER CHANG (NPI 1952780652) is an individual nurse practitioner in Fremont, California, licensed in California (95002080) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1952780652
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameBENJAMIN WEIZER CHANG
Location Address39180 FARWELL DRFremont, CA 94538-1000
Mailing Address716 Solstice CtFremont, CA 94539-4805
Phone(510) 585-2545
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 27, 2015
✔ NPI 1952780652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95002080
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 95002080 (CA)
39180 FARWELL DR, Fremont, CA 94538
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Other Names 1

Other Name (5)Ben W. Chang Msn, Aprn, Np-c

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

Benjamin Weizer Chang 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 ID3375857378
PECOS Enrollment IDI20150804006293
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 3

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 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.
82 services67 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.
62 services54 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 16

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

FARWELL SURGICAL PARTNERS LLC
Clinic/Center (Ambulatory Surgical)
39180 FARWELL DR
FREMONT, CA 94538
Alameda County (510) 304-6613
DR. JOHN JAUREGUITO MD
Specialist
39180 FARWELL DR, SUITE 110
FREMONT, CA 94538
Alameda County (510) 739-6520
FARWELL SURGICENTER
Clinic/Center (Ambulatory Surgical)
39180 FARWELL DR
FREMONT, CA 94538
Alameda County (510) 857-1004
HUAYI MEDICAL PROFESSIONAL CORPORATION
Anesthesiology
39180 FARWELL DR
FREMONT, CA 94538
Alameda County (209) 956-7725
PREMIER SURGICENTER LLC
Clinic/Center (Ambulatory Surgical)
39180 FARWELL DR, SUITE 105
FREMONT, CA 94538
Alameda County (510) 494-0800
DR. BASIL RASHAD BESH MD
Orthopaedic Surgery (Hand Surgery)
39180 FARWELL DR, SUITE 211
FREMONT, CA 94538
Alameda County (510) 857-1000
MR. JOSHUA RAMOS OTR/L
Occupational Therapist
39180 FARWELL DR, SUITE 211
FREMONT, CA 94538
Alameda County (510) 857-1000
ORTHOPAEDIC SPORTS SPECIALISTS A MEDICAL CORP
Orthopaedic Surgery
39180 FARWELL DR, SUITE 110
FREMONT, CA 94538
Alameda County (510) 739-6520

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 Benjamin Chang's NPI number?

The NPI number for Benjamin Chang is 1952780652. It was assigned to this individual provider in the NPPES registry on May 27, 2015. The provider is also known as Ben W. Chang Msn, Aprn, Np-C.

Where is Benjamin Chang located?

Benjamin Chang practices at 39180 Farwell Dr, Fremont, CA 94538. The listed phone number is (510) 585-2545.

What is Benjamin Chang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Benjamin Chang enrolled in Medicare?

Yes. Benjamin Chang 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 Benjamin Chang was last updated on May 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.