Dr Allen Chang, MD - Medicare Emergency Medicine in Tracy, CA

Dr Allen Chang, MD is a medicare enrolled "Emergency Medicine" physician in Tracy, California. He went to Albert Einstein College Of Medicine Of Yeshiva University and graduated in 2010 and has 14 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 1420 N Tracy Blvd, Tracy, California. You can reach out to his office (for appointments etc.) via phone at (209) 835-1500.

Dr Allen Chang is licensed to practice in California (license number C143700) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1588976567.

Contact Information

Dr Allen Chang, MD
1420 N Tracy Blvd,
Tracy, CA 95376-3451
(209) 835-1500
Not Available



Physician's Profile

Full NameDr Allen Chang
GenderMale
SpecialityEmergency Medicine
Experience14 Years
Location1420 N Tracy Blvd, Tracy, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Allen Chang attended and graduated from Albert Einstein College Of Medicine Of Yeshiva University in 2010
  NPI Data:
  • NPI Number: 1588976567
  • Provider Enumeration Date: 07/08/2010
  • Last Update Date: 10/01/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9830503358
  • Enrollment ID: I20210827001736

Medical Identifiers

Medical identifiers for Dr Allen Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588976567NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207PE0004XEmergency Medicine - Emergency Medical Services C143700 (California)Secondary
207P00000XEmergency Medicine C143700 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - SacramentoSacramento, CAHospital
Kaiser Foundation Hospital - RosevilleRoseville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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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. Dr Allen Chang allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659450955
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000757

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Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699885079
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000784

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Entity NameAltamont Emergency Physicians Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952392375
PECOS PAC ID: 5496700759
Enrollment ID: O20050318000840

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Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Other Medical Care Group
Entity IdentifiersNPI Number: 1629301346
PECOS PAC ID: 1254244973
Enrollment ID: O20110318000170

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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. Dr Allen 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
Dr Allen Chang, MD
3160 Wrangler Rd,
San Ramon, CA 94582-5549

Ph: (310) 980-6828
Dr Allen Chang, MD
1420 N Tracy Blvd,
Tracy, CA 95376-3451

Ph: (209) 835-1500

News Archive

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› Verified 6 days ago


Emergency Medicine Doctors in Tracy, CA

Luke Rond, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 763 Quail Run Cir, Tracy, CA 95377
Phone: 209-914-9735    
Janice Marie Crawford, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1420 N Tracy Blvd, Emergency Dept, Tracy, CA 95376
Phone: 209-342-2300    Fax: 209-524-4240
Paul Roger Anderson, PA
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1420 N Tracy Blvd, Tracy, CA 95376
Phone: 209-342-2300    Fax: 209-524-4240
Alan Tadao Uyeno, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1420 N Tracy Blvd, Emergency Dept., Tracy, CA 95376
Phone: 209-342-2300    Fax: 209-524-4240
Dr. Andy K Su, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1420 N Tracy Blvd, Tracy, CA 95376
Phone: 209-832-6018    
Jennifer Bailey, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1420 N Tracy Blvd, Emergency Dept, Tracy, CA 95376
Phone: 209-832-6018    
Phoebe Lee, M.D.
Emergency Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 1420 N Tracy Blvd, Tracy, CA 95376
Phone: 925-516-0836    

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