YU-WEN CHANG DO
NPI 1598258154
Family Medicine in Menlo Park, CA

Q: What is Yu-wen Chang's NPI number?

The NPI number for Yu-wen Chang is 1598258154. It was assigned to this individual provider in the NPPES registry on June 8, 2018.

Q: What is Yu-wen Chang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Yu-wen Chang was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 June 08, 2018PECOS EnrolledAccepts Medicare Assignment

321 MIDDLEFIELD RD STE 260, MENLO PARK, CA 94025(650) 498-3522 Get Directions Write a Review

NPPES record last updated: April 17, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 17, 2024, Oct 13, 2021 (2 updates tracked since 2021).

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About Yu-wen Chang Do NPPES

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

YU-WEN CHANG DO (NPI 1598258154) is an individual family medicine provider in Menlo Park, California, licensed in California (20A17804) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2018).

NPPES Registry Identity

NPI1598258154

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameYU-WEN CHANGCredential: DO

Location Address321 MIDDLEFIELD RD STE 260Menlo Park, CA 94025-4010

Mailing Address321 Middlefield Rd Ste 260Menlo Park, CA 94025-4010 · (650) 498-3522

Phone(650) 498-3522

Sole ProprietorNo

Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2018

Enumeration DateJune 8, 2018

Last NPPES UpdateApril 17, 20242 updates tracked since enumeration

NPPES CertifiedApril 17, 2024

✔ NPI 1598258154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 20A17804

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedFamily Medicine · Obesity MedicineTaxonomy 207QB0002X · License 20A17804 (CA)

321 MIDDLEFIELD RD STE 260, Menlo Park, CA 94025

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Secondary Practice Locations 2

Location 11300 Crane StMenlo Park, CA 94025-4260 · Phone (650) 498-6500

Location 2500 W Hospital RdFrench Camp, CA 95231-9693 · Phone (209) 468-6937 · Fax (209) 468-7042

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

Yu-wen Chang Do 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 ID3678979051

PECOS Enrollment IDI20210909003508

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 11

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.

279 services155 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.

93 services66 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.

83 services83 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

44 services44 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

43 services43 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

33 services33 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.

27 services26 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

21 services21 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

21 services21 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.

16 services16 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94025 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 4

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

UNIVERSITY HEALTHCARE ALLIANCE

Family Medicine

321 MIDDLEFIELD RD STE 260
MENLO PARK, CA 94025

San Mateo County (650) 498-6500

SINDA MARIAN MEIN MD

Internal Medicine (Gastroenterology)

321 MIDDLEFIELD RD STE 260
MENLO PARK, CA 94025

San Mateo County (650) 498-6652

CHARLIE MICHAUDET MD

Family Medicine (Sports Medicine)

321 MIDDLEFIELD RD STE 260
MENLO PARK, CA 94025

San Mateo County (650) 498-6500

JOELLEN LEE VANZANDER MD

Dermatology

321 MIDDLEFIELD RD STE 260
MENLO PARK, CA 94025

San Mateo County (650) 498-6500

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 Yu-wen Chang's NPI number?

The NPI number for Yu-wen Chang is 1598258154. It was assigned to this individual provider in the NPPES registry on June 8, 2018.

Where is Yu-wen Chang located?

Yu-wen Chang practices at 321 Middlefield Rd Ste 260, Menlo Park, CA 94025. The listed phone number is (650) 498-3522.

What is Yu-wen Chang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Yu-wen Chang enrolled in Medicare?

Yes. Yu-wen 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 Yu-wen Chang was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.