Ellen Ann Leng, MD - Medicare Emergency Medicine in Sun City, AZ

Ellen Ann Leng, MD is a medicare enrolled "Emergency Medicine" physician in Sun City, Arizona. She went to University Of Texas Medical School At San Antonio and graduated in 1990 and has 34 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Cep America - Auc Pc and her current practice location is 10401 West Thunderbird Blvd., Sun City, Arizona. You can reach out to her office (for appointments etc.) via phone at (623) 977-7211.

Ellen Ann Leng is licensed to practice in California (license number A49694) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1902855497.

Contact Information

Ellen Ann Leng, MD
10401 West Thunderbird Blvd.,
Sun City, AZ 85351
(623) 977-7211
Not Available

Map and Direction




Physician's Profile

Full NameEllen Ann Leng
GenderFemale
SpecialityEmergency Medicine
Experience34 Years
Location10401 West Thunderbird Blvd., Sun City, Arizona
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ellen Ann Leng attended and graduated from University Of Texas Medical School At San Antonio in 1990
  NPI Data:
  • NPI Number: 1902855497
  • Provider Enumeration Date: 05/10/2006
  • Last Update Date: 08/14/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9032122452
  • Enrollment ID: I20080611000875

Medical Identifiers

Medical identifiers for Ellen Ann Leng such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902855497NPI-NPPES
112972MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A49694 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Walnut Creek CampusWalnut creek, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America - Auc Pc953748169224

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. Ellen Ann Leng allows following entities to bill medicare on her behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520
Entity NameCep America - Auc Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568861524
PECOS PAC ID: 9537481692
Enrollment ID: O20141201002085

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. Ellen Ann Leng 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
Ellen Ann Leng, MD
2100 Powell Street Ste 920,
Emeryville, CA 94608-1803

Ph: (510) 350-2600
Ellen Ann Leng, MD
10401 West Thunderbird Blvd.,
Sun City, AZ 85351

Ph: (623) 977-7211

Reviews and Comments


Emergency Medicine Doctors in Sun City, AZ

Raymond Hemmert, D.O
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-977-7211    
Aaron C Mckinney, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 14502 West Meeker Boulevard, Sun City, AZ 85375
Phone: 623-214-4000    
Heidi Susan Holland, D.O
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-977-7211    
Parth Harish Patel, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-832-4000    
Peter Vaughn Hull, M.D
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-977-7211    
Scott David Lopata, M.D
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10401 West Thunderbird Blvd., Sun City, AZ 85351
Phone: 623-977-7211    
Ann Marie Sun, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 23129 N 122nd Ave, Sun City, AZ 85373
Phone: 623-687-1662    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.