David Wei-chan Chien, MD - Medicare Pediatrics in Porter Ranch, CA

David Wei-chan Chien, MD is a medicare enrolled "Pediatrics" physician in Porter Ranch, California. His current practice location is 19950 Rinaldi St, Porter Ranch, California. You can reach out to his office (for appointments etc.) via phone at (818) 403-2440.

David Wei-chan Chien is licensed to practice in California (license number A83875) 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 1346303674.

Contact Information

David Wei-chan Chien, MD
19950 Rinaldi St,
Porter Ranch, CA 91326-4141
(818) 403-2440
(818) 360-6090

Map and Direction




Physician's Profile

Full NameDavid Wei-chan Chien
GenderMale
SpecialityPediatrics
Location19950 Rinaldi St, Porter Ranch, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1346303674
  • Provider Enumeration Date: 12/18/2006
  • Last Update Date: 03/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9638255540
  • Enrollment ID: I20080318000390

Medical Identifiers

Medical identifiers for David Wei-chan Chien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346303674NPI-NPPES
00A838750MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A83875 (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. David Wei-chan Chien allows following entities to bill medicare on his behalf.
Entity NameProvidence Facey Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710031588
PECOS PAC ID: 3173436276
Enrollment ID: O20031105000822

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. David Wei-chan 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
David Wei-chan Chien, MD
Po Box 9602,
Mission Hills, CA 91346-9602

Ph: (818) 837-5637
David Wei-chan Chien, MD
19950 Rinaldi St,
Porter Ranch, CA 91326-4141

Ph: (818) 403-2440

Reviews and Comments


Pediatrics Doctors in Porter Ranch, CA

Levon Mesropyan, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 19950 Rinaldi St Ste 300, Porter Ranch, CA 91326
Phone: 818-271-2400    Fax: 818-271-2401
Miss Nivruthi Vangala, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 19950 Rinaldi St, Porter Ranch, CA 91326
Phone: 818-403-2400    
Dr. Mumtaz Lakhani, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 11401 Dylan Pl, Porter Ranch, CA 91326
Phone: 818-366-3022    
Ms. Ranjani Agrawal, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 20740 Spruce Cir, Porter Ranch, CA 91326
Phone: 323-393-0395    
Dr. Allison Erin Lowe Guimera, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 19950 Rinaldi St, Suite 300, Porter Ranch, CA 91326
Phone: 818-271-2400    
Nicole Militello, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 19950 Rinaldi St, Suite 300, Porter Ranch, CA 91326
Phone: 818-271-2400    

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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