OSCAR L. CHIEN M.D. – NPI #1679675904
Internal Medicine

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

OSCAR CHIEN is a physician located in SAN GABRIEL, CA. NPPES has assigned the NPI number 1679675904 to OSCAR CHIEN on September 05, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RG0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Geriatric Medicine

The NPI profile was previously updated about 6 years ago on Apr 02, 2020. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for OSCAR CHIEN below.

NPI Profile for
OSCAR L. CHIEN

NPI Number
1679675904
Enumeration Date

(about 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
OSCAR L. CHIEN
Credentials
M.D.
Primary location
1448 S. SAN GABRIEL BL.
SAN GABRIEL, CA 91776
Phone: (626) 569-2888 Fax: (626) 569-9929
Mailing address
Same as primary location
Sole Proprietor
Yes
Updated
Certification Date
Apr 02, 2020

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for OSCAR CHIEN

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
MEDICAIDCA00A549990
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0300X
- Internal Medicine / Geriatric Medicine (Primary)
CA A54999

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
OSCAR CHIEN is affiliated with the following medical group(s):
  • HOSPITAL
    • GARFIELD MEDICAL CENTER
      525 N GARFIELD AVE
      MONTEREY PARK, CA 91754
    • METHODIST HOSPITAL OF SOUTHERN CA
      300 W HUNTINGTON DR
      ARCADIA, CA 91006
    • SAN GABRIEL VALLEY MEDICAL CENTER
      438 W LAS TUNAS DRIVE
      SAN GABRIEL, CA 91776
  • HOME HEALTH AGENCY
    • GOODWILL PLUS, INC
      233 E POMONA BLVD
      MONTEREY PARK, CA 91755
    • HAPPY HOME HEALTH SERVICES
      650 W DUARTE RD, SUITE 402
      ARCADIA, CA 91007
    • PANDA HOME HEALTHCARE, INC
      410 SOUTH SAN GABRIEL BLVD, UNIT A
      SAN GABRIEL, CA 91776
    • QUALITY CARE HH SPECIALISTS
      1414 S AZUSA AVE, UNIT B-26
      WEST COVINA, CA 91791
    • WISE HOME HEALTH INC
      225 E BROADWAY #B113A
      GLENDALE, CA 91205
  • NURSING HOME
    • ALHAMBRA HEALTHCARE & WELLNESS CENTRE, LP
      415 SOUTH GARFIELD
      ALHAMBRA, CA 91801
    • BROADWAY HEALTHCARE CENTER
      112 E. BROADWAY
      SAN GABRIEL, CA 91776
    • MISSION CARE CENTER
      4800 DELTA AVENUE
      ROSEMEAD, CA 91770
    • MONTE VISTA HEALTHCARE CENTER
      802 BUENA VISTA STREET
      DUARTE, CA 91010
    • SANTA ANITA CONVALESCENT HOSPITAL
      5522 GRACEWOOD AVE.
      TEMPLE CITY, CA 91780
  • HOSPICE
    • BETA HOSPICE CARE INC
      1525 N D STREET SUITE 10
      SAN BERNARDINO, CA 92405
    • IVORY HOSPICE & PALLIATIVE CARE
      233 E POMONA BLVD, STE A
      MONTEREY PARK, CA 91755
    • QUALITY CARE HOSPICE, INC
      1414 S AZUSA AVENUE, UNIT B-25
      WEST COVINA, CA 91791
    • WEST COAST HEALTHCARE, LLC
      29222 RANCHO VIEJO ROAD, SUITE 102
      SAN JUAN CAPISTRANO, CA 92675

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.