WOODY CHANG
NPI 1295153187
Internal Medicine - Geriatric Medicine in Sunnyvale, CA

Active since March 29, 2014PECOS EnrolledAccepts Medicare Assignment
301 OLD SAN FRANCISCO RD, SUNNYVALE, CA 94086(408) 730-6250 Get Directions Write a Review

NPPES record last updated: December 10, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 10, 2018, Aug 15, 2018 (2 updates tracked since 2018).

About Woody Chang NPPES

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

WOODY CHANG (NPI 1295153187) is an individual geriatric medicine provider in Sunnyvale, California, licensed in California (A152122) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2014).

NPPES Registry Identity

NPI1295153187
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameWOODY CHANG
Location Address301 OLD SAN FRANCISCO RDSunnyvale, CA 94086-6386
Mailing Address2350 W El Camino Real, Fl 2Mountain View, CA 94040-6203 · (408) 730-6250
Sole ProprietorYes
Medical School CMSStanford University School Of MedicineGraduated 2014
Enumeration DateMarch 29, 2014
Last NPPES UpdateDecember 10, 20182 updates tracked since enumeration
NPI 1295153187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in CA · A152122
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086

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

Woody 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 ID7315165594
PECOS Enrollment IDI20180926003031
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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
657 services98 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
109 services41 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
85 services74 patients
Nursing facility discharge management, more than 30 minutes 99316
Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.
60 services59 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94086 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
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Hospital bed, semi-electric (head and foot adjustment), without side rails, without mattress E0295
DME-Hospital Beds · category DB000N
2 suppliers15 claims17 services$42.28 avg. paid by Medicare
Bed side rails, half length E0305
DME-Hospital Beds · category DB000N
2 suppliers15 claims24 services$6.25 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$61.87 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
3 suppliers44 claims44 services$13.48 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
2 suppliers14 claims16 services$17.86 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
3 suppliers29 claims31 services$7.56 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 20

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

Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Social Worker (Clinical)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Physical Therapist
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner (Family)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086

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 Woody Chang's NPI number?

The NPI number for Woody Chang is 1295153187. It was assigned to this individual provider in the NPPES registry on March 29, 2014.

Where is Woody Chang located?

Woody Chang practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-6250.

What is Woody Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Woody Chang enrolled in Medicare?

Yes. Woody 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 Woody Chang was last updated on December 10, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.