Winnie Chang, - Medicare Emergency Medicine in Fontana, CA

Winnie Chang, is a medicare enrolled "Emergency Medicine" physician in Fontana, California. Her current practice location is 9985 Sierra Ave, Fontana, California. You can reach out to her office (for appointments etc.) via phone at (909) 427-5000.

Winnie Chang is licensed to practice in California (license number 20A8975) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1316139405.

Contact Information

Winnie Chang,
9985 Sierra Ave,
Fontana, CA 92335-6720
(909) 427-5000
Not Available



Physician's Profile

Full NameWinnie Chang
GenderFemale
SpecialityEmergency Medicine
Location9985 Sierra Ave, Fontana, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1316139405
  • Provider Enumeration Date: 08/14/2007
  • Last Update Date: 10/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6103901392
  • Enrollment ID: I20080312000313

Medical Identifiers

Medical identifiers for Winnie Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316139405NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 20A8975 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Winnie Chang allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Winnie Chang is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Winnie Chang,
7419 Oxford Ct,
Fontana, CA 92336-3500

Ph: () -
Winnie Chang,
9985 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-5000

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Emergency Medicine Doctors in Fontana, CA

Dr. Silas Chun-wing Chiu, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-5000    Fax: 310-782-1763
Kim Trinh, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 951-333-1581    
Scott Alan Walker, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Mr. Santiago Lopez Jr.,
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 833-574-2273    Fax: 833-574-2273
Greg A. Capestany, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
David G. Reiley, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Dr. Tina Ann Nguyen, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 800-464-4000    

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