Katherine K Tan, MD - Medicare Pediatrics in Antioch, CA

Katherine K Tan, MD is a medicare enrolled "Pediatrics" physician in Antioch, California. Her current practice location is 3400 Delta Fair Blvd, Antioch, California. You can reach out to her office (for appointments etc.) via phone at (925) 779-5000.

Katherine K Tan is licensed to practice in California (license number A51983) 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 1477631554.

Contact Information

Katherine K Tan, MD
3400 Delta Fair Blvd,
Antioch, CA 94509-4004
(925) 779-5000
Not Available

Map and Direction




Physician's Profile

Full NameKatherine K Tan
GenderFemale
SpecialityPediatrics
Location3400 Delta Fair Blvd, Antioch, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1477631554
  • Provider Enumeration Date: 11/02/2006
  • Last Update Date: 12/17/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1951205897
  • Enrollment ID: I20031121000891

Medical Identifiers

Medical identifiers for Katherine K Tan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477631554NPI-NPPES
00A519830MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A51983 (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. Katherine K Tan allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Katherine K Tan 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
Katherine K Tan, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Katherine K Tan, MD
3400 Delta Fair Blvd,
Antioch, CA 94509-4004

Ph: (925) 779-5000

Reviews and Comments


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    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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