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JANE W. CHIEN MD
NPI 1588620785
Internal Medicine in Los Gatos, CA

Active since April 25, 2006PECOS EnrolledAccepts Medicare Assignment
85.93/100
CMS Quality Rating
14981 NATIONAL AVE STE 6, LOS GATOS, CA 95032(408) 358-1811 Get Directions Write a Review

NPPES record last updated: April 13, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Apr 13, 2025, Jul 28, 2022, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Jane W. Chien Md NPPES

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

JANE W. CHIEN MD (NPI 1588620785) is an individual internal medicine provider in Los Gatos, California, licensed in California (A55106) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1990).

NPPES Registry Identity

NPI1588620785
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJANE W. CHIENCredential: MD
Location Address14981 NATIONAL AVE STE 6Los Gatos, CA 95032-2600
Mailing Address14981 National Ave Ste 6Los Gatos, CA 95032-2600 · (408) 358-1811 · Fax (408) 913-2943
Phone(408) 358-1811
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 1990
Enumeration DateApril 25, 2006
Last NPPES UpdateApril 13, 20254 updates tracked since enumeration
NPPES CertifiedApril 13, 2025
✔ NPI 1588620785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A55106
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
14981 NATIONAL AVE STE 6, Los Gatos, CA 95032
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Other Names 1

Other Name (5)Jane Wei-jieh Chien-blennemann

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

Jane W. Chien Md 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 ID3072533439
PECOS Enrollment IDI20080725000218
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.
932 services425 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.
374 services251 patients
Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421
This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.
353 services193 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.
106 services106 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
104 services104 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.
45 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95032 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
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.

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.

85.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Promoting Interoperability100
Improvement Activities40
Cost53.12

Reported Quality Measures

Adult Major Depressive Disorder (MDD): Suicide Risk Assessment
89%106 patients
Appropriate Treatment for Upper Respiratory Infection (URI)
96%627 patients4/55-star benchmark: 100%
Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture
Lower rates are better for this measure.
0%147 patients
Breast Cancer Screening
82%451 patients4/55-star benchmark: 93%
Cervical Cancer Screening
43%434 patients2/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
0%518 patients1/55-star benchmark: 87%
Colorectal Cancer Screening
78%791 patients4/55-star benchmark: 88%
Controlling High Blood Pressure
71%495 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
0%125 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
11%125 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%3,346 patients4/55-star benchmark: 100%
e-Prescribing
100%1,175 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
23%780 patients1/55-star benchmark: 100%
Functional Status Assessments for Heart Failure
0%34 patients
HIV Screening
11%739 patients1/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
45%1,426 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
100%1,076 patients5/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
22%1,411 patients2/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 99% · 1,120 patients
Patients screened: 99% · 1,120 patients
87%23 patients4/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%712 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
77%548 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 3% · 807 patients
Patients totalRate: 10% · 807 patients
10%807 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
21 suppliers51 claims103 services$5.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers15 claims15 services$0.99 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

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

JANE W CHIEN MD INC
Internal Medicine
14981 NATIONAL AVE STE 6
LOS GATOS, CA 95032
Santa Clara County (408) 358-1811

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 Jane Chien's NPI number?

The NPI number for Jane Chien is 1588620785. It was assigned to this individual provider in the NPPES registry on April 25, 2006. The provider is also known as Jane Wei-Jieh Chien-Blennemann.

Where is Jane Chien located?

Jane Chien practices at 14981 National Ave Ste 6, Los Gatos, CA 95032. The listed phone number is (408) 358-1811.

What is Jane Chien's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jane Chien enrolled in Medicare?

Yes. Jane 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 Jane Chien was last updated on April 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.