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DR. AMY JO CHIEN M.D.
NPI 1922242932
Internal Medicine - Medical Oncology in San Francisco, CA

Active since April 22, 2009PECOS EnrolledAccepts Medicare Assignment
74.46/100
CMS Quality Rating
1600 DIVISADERO ST, HELEN DILLER COMPREHENSIVE CANCER CENTER - UCSF, SAN FRANCISCO, CA 94143(415) 353-7070(415) 353-9898 Get Directions Write a Review

NPPES record last updated: April 22, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Amy Jo Chien M.d. NPPES

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

DR. AMY JO CHIEN M.D. (NPI 1922242932) is an individual medical oncology provider in San Francisco, California, licensed in California (A95906) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2003).

NPPES Registry Identity

NPI1922242932
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. AMY JO CHIENCredential: M.D.
Location Address1600 DIVISADERO ST, HELEN DILLER COMPREHENSIVE CANCER CENTER - UCSFSan Francisco, CA 94143-0001
Mailing Address1600 Divisadero St, Helen Diller Comprehensive Cancer Center - UcsfSan Francisco, CA 94143-0001 · (415) 353-7070 · Fax (415) 353-9898
Phone(415) 353-7070
Fax(415) 353-9898
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2003
Enumeration DateApril 22, 2009
✔ NPI 1922242932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CA · A95906
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
1600 DIVISADERO ST, San Francisco, CA 94143
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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. Amy Jo Chien M.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 ID7618013558
PECOS Enrollment IDI20091007000550
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 5

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.
213 services97 patients
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 services17 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.
18 services17 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.
18 services14 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.
17 services17 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
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

Referred Medical Equipment & Supplies CMS DME claims 2

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier19 claims1,596 services$0.77 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 supplier11 claims11 services$18.91 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.

MERLIN D LARSON MD
Anesthesiology
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 885-7412
DEVIN ARTHUR OLLER MD
Internal Medicine
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-7900
MELANIE I. ZUK-MOYA PTA
Physical Therapy Assistant
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
San Francisco County (646) 770-6621
HWA SOO HOANG MD
Psychiatry & Neurology (Psychiatry)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-7000
MEGHAN JAIRAM MD
Radiology (Diagnostic Radiology)
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 885-7464
NAOMI JAY NP
Nurse Practitioner
1600 DIVISADERO ST, 4TH FLOOR
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-7443
MEGAN SWANSON M.D.
Obstetrics & Gynecology
1600 DIVISADERO ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 206-4069
NIKI LOVICK LCGC
Genetic Counselor, MS
1600 DIVISADERO ST, 4TH FLOOR BOX 1774
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-8778

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 Amy Chien's NPI number?

The NPI number for Amy Chien is 1922242932. It was assigned to this individual provider in the NPPES registry on April 22, 2009.

Where is Amy Chien located?

Amy Chien practices at 1600 Divisadero St Helen Diller Comprehensive Cancer Center - Ucsf, San Francisco, CA 94143. The listed phone number is (415) 353-7070.

What is Amy Chien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Amy Chien enrolled in Medicare?

Yes. Amy Chien 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 Amy Chien was last updated on April 22, 2009. 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.