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RUBY CHIEN MD
NPI 1417650227
Internal Medicine in Orange, CA

Active since March 22, 2023PECOS Enrolled
101 THE CITY DR S STE 400, ORANGE, CA 92868(714) 456-5691 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 23, 2026, Mar 22, 2023 (2 updates tracked since 2023).

About Ruby Chien Md NPPES

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

RUBY CHIEN MD (NPI 1417650227) is an individual internal medicine provider in Orange, California, licensed in California (A201192) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417650227
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameRUBY CHIENCredential: MD
Location Address101 THE CITY DR S STE 400Orange, CA 92868-3201
Mailing Address101 The City Dr SOrange, CA 92868-3201 · (714) 456-7890
Phone(714) 456-5691
Sole ProprietorNo
Enumeration DateMarch 22, 2023
Last NPPES UpdateMarch 23, 20262 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
✔ NPI 1417650227 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 · A201192
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.
101 THE CITY DR S STE 400, Orange, CA 92868
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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 (PECOS)

Ruby Chien Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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.

BRIAN DIEP MD
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
ANISH SAI KOLAN
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
MICHELLE T NGUYEN
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
DR. JOSEPH CARTON MD
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
ERICA SHIN
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
TIMOTHY CHANG
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
SHANT ABRHAMIAN
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691
MICHELLE M NGUYEN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S STE 400
ORANGE, CA 92868
Orange County (714) 456-5691

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 Ruby Chien's NPI number?

The NPI number for Ruby Chien is 1417650227. It was assigned to this individual provider in the NPPES registry on March 22, 2023.

Where is Ruby Chien located?

Ruby Chien practices at 101 The City Dr S Ste 400, Orange, CA 92868. The listed phone number is (714) 456-5691.

What is Ruby Chien's specialty?

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

Is Ruby Chien enrolled in Medicare?

Yes. Ruby Chien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ruby Chien was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.