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DR. WINSTON CHIONG M.D., PH.D.
NPI 1427201433
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since November 04, 2008PECOS EnrolledAccepts Medicare Assignment
74.46/100
CMS Quality Rating
505 PARNASSUS AVE BOX 0114, SAN FRANCISCO, CA 94143(415) 476-1489(415) 476-3428 Get Directions Write a Review

NPPES record last updated: November 4, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Winston Chiong M.d., Ph.d. NPPES

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

DR. WINSTON CHIONG M.D., PH.D. (NPI 1427201433) is an individual neurology provider in San Francisco, California, licensed in California (A101024) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2006).

NPPES Registry Identity

NPI1427201433
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. WINSTON CHIONGCredential: M.D., PH.D.
Location Address505 PARNASSUS AVE BOX 0114San Francisco, CA 94143-0001
Mailing Address505 Parnassus Ave Box 0114San Francisco, CA 94143-0001 · (415) 476-1489 · Fax (415) 476-3428
Phone(415) 476-1489
Fax(415) 476-3428
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2006
Enumeration DateNovember 4, 2008
✔ NPI 1427201433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A101024
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
505 PARNASSUS AVE BOX 0114, San Francisco, CA 94143
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Other Names 1

Former Name (1)Dr. J. Winston Chiong M.d., Ph.d.

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

Dr. Winston Chiong M.d., Ph.d. 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 ID7113059429
PECOS Enrollment IDI20100722000610
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 2

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.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
43 services19 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.
42 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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.

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.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

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 Winston Chiong's NPI number?

The NPI number for Winston Chiong is 1427201433. It was assigned to this individual provider in the NPPES registry on November 4, 2008. The provider is also known as Dr. J. Winston Chiong M.D., Ph.D..

Where is Winston Chiong located?

Winston Chiong practices at 505 Parnassus Ave Box 0114, San Francisco, CA 94143. The listed phone number is (415) 476-1489.

What is Winston Chiong's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Winston Chiong enrolled in Medicare?

Yes. Winston Chiong 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 Winston Chiong was last updated on November 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.