Michael W Chien, MD - Medicare Allergy & Immunology in Fontana, CA

Michael W Chien, MD is a medicare enrolled "Allergy & Immunology - Allergy" physician in Fontana, California. His current practice location is 9961 Sierra Ave, Fontana, California. You can reach out to his office (for appointments etc.) via phone at (909) 427-3910.

Michael W Chien is licensed to practice in California (license number G70196) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1689741555.

Contact Information

Michael W Chien, MD
9961 Sierra Ave,
Fontana, CA 92335-6720
(909) 427-3910
Not Available



Physician's Profile

Full NameMichael W Chien
GenderMale
SpecialityAllergy & Immunology - Allergy
Location9961 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: 1689741555
  • Provider Enumeration Date: 11/29/2006
  • Last Update Date: 11/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0143381459
  • Enrollment ID: I20081204000992

Medical Identifiers

Medical identifiers for Michael W Chien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689741555NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207KA0200XAllergy & Immunology - Allergy G70196 (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. Michael W Chien allows following entities to bill medicare on his 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. Michael W Chien 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
Michael W Chien, MD
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-3910
Michael W Chien, MD
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-3910

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Allergy & Immunology Doctors in Fontana, CA

Sandy Y Jung-wu, MD
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 9985 Sierra Ave, Fontana, CA 92335
Phone: 909-427-6498    
Pauline B. Tsai, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Michelle Dilley Revier, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-5000    
Luis F. Saca, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    

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