Cathy Ruifang Xu, MD - Medicare Pediatrics in Antioch, CA

Cathy Ruifang Xu, MD is a medicare enrolled "Pediatrics" physician in Antioch, California. Her current practice location is 3901 Lone Tree Way, Antioch, California. You can reach out to her office (for appointments etc.) via phone at (925) 779-7200.

Cathy Ruifang Xu is licensed to practice in California (license number A115072) 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 1609078831.

Contact Information

Cathy Ruifang Xu, MD
3901 Lone Tree Way,
Antioch, CA 94509-6200
(925) 779-7200
(925) 779-7220



Physician's Profile

Full NameCathy Ruifang Xu
GenderFemale
SpecialityPediatrics
Location3901 Lone Tree Way, Antioch, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1609078831
  • Provider Enumeration Date: 06/01/2007
  • Last Update Date: 06/15/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7012192305
  • Enrollment ID: I20160119002567

Medical Identifiers

Medical identifiers for Cathy Ruifang Xu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609078831NPI-NPPES
A115072OtherCASTATE MEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics ME131841 (Florida)Secondary
208000000XPediatrics A115072 (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. Cathy Ruifang Xu allows following entities to bill medicare on her behalf.
Entity NameSutter Bay Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013950807
PECOS PAC ID: 4284538778
Enrollment ID: O20031125000909

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Entity NameBanner Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205267549
PECOS PAC ID: 9537078365
Enrollment ID: O20140604002057

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Entity NameApex Hospitalist Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669899225
PECOS PAC ID: 6507083441
Enrollment ID: O20140815002344

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Entity NameValley Childrens Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437555265
PECOS PAC ID: 9032439336
Enrollment ID: O20150528001593

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Entity NameSeven Star Hospital Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043813140
PECOS PAC ID: 4789083338
Enrollment ID: O20210601002852

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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. Cathy Ruifang Xu 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
Cathy Ruifang Xu, MD
325 Distel Cir,
Los Altos, CA 94022-1408

Ph: (925) 779-7200
Cathy Ruifang Xu, MD
3901 Lone Tree Way,
Antioch, CA 94509-6200

Ph: (925) 779-7200

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Pediatrics Doctors in Antioch, CA

Rosetta C. Newhall, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3400 Delta Fair Blvd, Antioch, CA 94509
Phone: 925-779-5000    
Dr. Melissa Rose, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3700 Sunset Ln, Suite 6, Antioch, CA 94509
Phone: 925-755-8500    Fax: 925-755-8200
Mr. Harry H. Huang, M.D
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3700 Sunset Ln, #6, Antioch, CA 94509
Phone: 925-755-8500    Fax: 925-755-8200
Bernabe Floro Urbano Jr., MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3400 Delta Fair Blvd, Antioch, CA 94509
Phone: 925-779-5000    
Abbas Mahdavi, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 3700 Lone Tree Way # 3, Antioch, CA 94509
Phone: 925-754-7200    
Deborah Fernandes, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 4501 Sand Creek Rd, Antioch, CA 94531
Phone: 925-813-6375    
Carl R. Ng, MD
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 3400 Delta Fair Blvd, Antioch, CA 94509
Phone: 925-779-5000    

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