DR. GEORGE CHANG CHIEN D.O.
NPI 1346565280
Pain Medicine - Interventional Pain Medicine in Ventura, CA

Q: What is George Chang Chien's NPI number?

The NPI number for George Chang Chien is 1346565280. It was assigned to this individual provider in the NPPES registry on April 4, 2010.

Q: What is George Chang Chien's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Active since April 04, 2010PECOS EnrolledAccepts Medicare Assignment

87.18/100

CMS Quality Rating

133 W SANTA CLARA ST, VENTURA, CA 93001(805) 641-5600 Get Directions Write a Review

NPPES record last updated: December 5, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 5, 2024, Jul 10, 2023, Feb 6, 2019 (3 updates tracked since 2019).

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About Dr. George Chang Chien D.o. NPPES

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

DR. GEORGE CHANG CHIEN D.O. (NPI 1346565280) is an individual interventional pain medicine provider in Ventura, California, licensed in California (20A14068) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of College Of Osteo Med Of The Pacific At Pomona (2010).

NPPES Registry Identity

NPI1346565280

Entity TypeIndividualMale

Primary Taxonomy208VP0014X

Provider Legal NameDR. GEORGE CHANG CHIENCredential: D.O.

Location Address133 W SANTA CLARA STVentura, CA 93001-2543

Mailing Address1038 Loma Lisa LnArcadia, CA 91006-2218

Phone(805) 641-5600

Sole ProprietorYes

Medical School CMSCollege Of Osteo Med Of The Pacific At PomonaGraduated 2010

Enumeration DateApril 4, 2010

Last NPPES UpdateDecember 5, 20243 updates tracked since enumeration

NPPES CertifiedDecember 5, 2024

✔ NPI 1346565280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPain Medicine · Interventional Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code208VP0014X

License✔ Licensed in CA · 20A14068

Definition

Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.

Also ListedPhysical Medicine & Rehabilitation · Pain MedicineTaxonomy 2081P2900X · License 20A14068 (CA)

Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X · License 20A14068 (CA)

133 W SANTA CLARA ST, Ventura, CA 93001

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Secondary Practice Locations 3

Location 1825 N 10th StSanta Paula, CA 93060-1309 · Phone (805) 933-8650

Location 23291 Loma Vista RdVentura, CA 93003 · Phone (805) 648-9830

Location 3300 Hillmont AveVentura, CA 93003-1651 · Phone (805) 652-6000

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. George Chang Chien D.o. 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 ID9032429105

PECOS Enrollment IDI20151103000571

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

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.

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

68 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93001 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

$140.72 typical visit price

range $62.32 – $185.36

Typical copayment $35.18 (range $15.58 – $46.34)

Most-billed visit code 99204

Established Patient

$108.74 typical visit price

range $20.68 – $151.85

Typical copayment $27.18 (range $5.17 – $37.96)

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.

87.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

84.09

Promoting Interoperability

100

Improvement Activities

Cost

56.53

Other Providers at the Same Location NPPES 9

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

DR. WENDY FRANCKE M.D.

Family Medicine