Iun-iu A Chen, DO - Medicare Family Practice in Petaluma, CA

Iun-iu A Chen, DO is a medicare enrolled "Family Medicine" physician in Petaluma, California. She went to Rutgers New Jersey Medical School and graduated in 2012 and has 12 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Petaluma Health Center Inc and her current practice location is 1179 N Mcdowell Blvd, Petaluma, California. You can reach out to her office (for appointments etc.) via phone at (862) 485-1422.

Iun-iu A Chen is licensed to practice in Massachusetts (license number 252070) 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 1114288412.

Contact Information

Iun-iu A Chen, DO
1179 N Mcdowell Blvd,
Petaluma, CA 94954-0002
(862) 485-1422
(707) 559-7620

Map and Direction




Physician's Profile

Full NameIun-iu A Chen
GenderFemale
SpecialityFamily Practice
Experience12 Years
Location1179 N Mcdowell Blvd, Petaluma, California
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:
  • Iun-iu A Chen attended and graduated from Rutgers New Jersey Medical School in 2012
  NPI Data:
  • NPI Number: 1114288412
  • Provider Enumeration Date: 06/04/2012
  • Last Update Date: 11/15/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 6709018872
  • Enrollment ID: I20160128002641

Medical Identifiers

Medical identifiers for Iun-iu A Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114288412NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 252070 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Petaluma Valley HospitalPetaluma, CAHospital
Santa Rosa Memorial HospitalSanta rosa, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Petaluma Health Center Inc913318037558

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. Iun-iu A Chen allows following entities to bill medicare on her behalf.
Entity NamePetaluma Health Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588656268
PECOS PAC ID: 9133180375
Enrollment ID: O20050315000415

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. Iun-iu A Chen 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
Iun-iu A Chen, DO
1179 N Mcdowell Blvd,
Petaluma, CA 94954-6559

Ph: (707) 559-7500
Iun-iu A Chen, DO
1179 N Mcdowell Blvd,
Petaluma, CA 94954-0002

Ph: (862) 485-1422

Reviews and Comments


Family Medicine Doctors in Petaluma, CA

Daniel G White, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 3900 Lakeville Hwy, Petaluma, CA 94954
Phone: 707-765-3900    
Dr. Lana Ngoc Nguyen, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3835 Cypress Dr, Suite 102, Petaluma, CA 94954
Phone: 707-765-2425    Fax: 707-765-3974
Dr. Aleksey Zakinov,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3900 Lakeville Hwy, Petaluma, CA 94954
Phone: 707-765-3960    
Dr. Andrew Burns Ashcroft, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1179 N Mcdowell Blvd, Petaluma, CA 94954
Phone: 707-559-7500    Fax: 707-559-7510
Audra Lehman, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Southpoint Blvd, Petaluma, CA 94954
Phone: 707-559-7500    Fax: 707-559-7570
Kelly Pfeifer, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Southpoint Blvd, Petaluma, CA 94954
Phone: 707-559-7500    Fax: 707-559-7570
Dr. Lisa Feth Pearson, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1179 N Mcdowell Blvd, Petaluma, CA 94954
Phone: 707-559-7500    Fax: 707-559-7620

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.