Immanuel Atienza Asuncion, MD - Medicare Family Practice in San Pablo, CA

Immanuel Atienza Asuncion, MD is a medicare enrolled "Family Medicine" physician in San Pablo, California. He went to University Of California, Davis School Of Medicine and graduated in 2003 and has 21 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice John Muir Physician Network and his current practice location is 2101 Vale Rd Ste 201, San Pablo, California. You can reach out to his office (for appointments etc.) via phone at (510) 233-9140.

Immanuel Atienza Asuncion is licensed to practice in California (license number A89792) 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 1245254580.

Contact Information

Immanuel Atienza Asuncion, MD
2101 Vale Rd Ste 201,
San Pablo, CA 94806
(510) 233-9140
(510) 233-9142

Map and Direction




Physician's Profile

Full NameImmanuel Atienza Asuncion
GenderMale
SpecialityFamily Practice
Experience21 Years
Location2101 Vale Rd Ste 201, San Pablo, 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:
  • Immanuel Atienza Asuncion attended and graduated from University Of California, Davis School Of Medicine in 2003
  NPI Data:
  • NPI Number: 1245254580
  • Provider Enumeration Date: 07/27/2006
  • Last Update Date: 03/11/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8224031976
  • Enrollment ID: I20060817000615

Medical Identifiers

Medical identifiers for Immanuel Atienza Asuncion such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245254580NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A89792 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John Muir Medical Center - Concord CampusConcord, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
John Muir Physician Network6608789813442

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. Immanuel Atienza Asuncion allows following entities to bill medicare on his behalf.
Entity NameJohn Muir Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841407665
PECOS PAC ID: 6608789813
Enrollment ID: O20031226000143

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. Immanuel Atienza Asuncion 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
Immanuel Atienza Asuncion, MD
1450 Treat Blvd # 300,
Walnut Creek, CA 94597-2168

Ph: (925) 952-2888
Immanuel Atienza Asuncion, MD
2101 Vale Rd Ste 201,
San Pablo, CA 94806

Ph: (510) 233-9140

Reviews and Comments


Family Medicine Doctors in San Pablo, CA

Kimberly Ann Ceci, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2023 Vale Rd Ste 107, San Pablo, CA 94806
Phone: 510-215-9092    
Joshua Braslow,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100a San Pablo Towne Center, San Pablo, CA 94806
Phone: 510-237-2802    
Audrey I Schaps, NP
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2023 Vale Rd, San Pablo, CA 94806
Phone: 510-231-9800    
Robert G. Clark, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2089 Vale Rd, Suite 17, San Pablo, CA 94806
Phone: 510-237-2802    Fax: 916-239-3612
Emma Estelle Richardson, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 13601 San Pablo Ave, San Pablo, CA 94806
Phone: 510-231-9400    
Anna Teresa Dailey,
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2023 Vale Rd Ste 14b, San Pablo, CA 94806
Phone: 510-981-4100    

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.