Dr Robert Alan Feren, MD - Medicare Hospitalist in Walnut Creek, CA

Dr Robert Alan Feren, MD is a medicare enrolled "Hospitalist" physician in Walnut Creek, California. He went to George Washington University School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Galen Inpatient Physicians Pc and his current practice location is 1220 Rossmoor Pkwy, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 947-3393.

Dr Robert Alan Feren is licensed to practice in California (license number A89317) 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 1851453104.

Contact Information

Dr Robert Alan Feren, MD
1220 Rossmoor Pkwy,
Walnut Creek, CA 94595-2501
(925) 947-3393
(925) 947-3396

Map and Direction




Physician's Profile

Full NameDr Robert Alan Feren
GenderMale
SpecialityHospitalist
Experience22 Years
Location1220 Rossmoor Pkwy, Walnut Creek, 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:
  • Dr Robert Alan Feren attended and graduated from George Washington University School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1851453104
  • Provider Enumeration Date: 12/14/2006
  • Last Update Date: 09/28/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0941381933
  • Enrollment ID: I20080122000757

Medical Identifiers

Medical identifiers for Dr Robert Alan Feren such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851453104NPI-NPPES
1851453104MedicaidCA
P01000533OtherCARAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A89317 (California)Secondary
208M00000XHospitalist A89317 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Health SonoraSonora, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Galen Inpatient Physicians Pc3678464633442

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. Dr Robert Alan Feren allows following entities to bill medicare on his behalf.
Entity NameGalen Inpatient Physicians Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689320459
PECOS PAC ID: 3678464633
Enrollment ID: O20040322000680
Entity NameCalifornia Emergency Physicians Medical Group A Professional Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215365218
PECOS PAC ID: 3274763875
Enrollment ID: O20140227000392

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. Dr Robert Alan Feren 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
Dr Robert Alan Feren, MD
Dept 34929, P.o. Box 39000,
San Francisco, CA 94139-0001

Ph: (925) 952-2828
Dr Robert Alan Feren, MD
1220 Rossmoor Pkwy,
Walnut Creek, CA 94595-2501

Ph: (925) 947-3393

Reviews and Comments


Hospitalist Doctors in Walnut Creek, CA

Dr. Niceto Lopez, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 801 Ygnacio Valley Rd, Suite 250, Walnut Creek, CA 94596
Phone: 925-946-1080    
Dr. Thomas Cresante, D.O.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Kaiser Permanente Walnut Creek Attn: Hbs Dept, Walnut Creek, CA 94596
Phone: 925-295-4643    
Maria L. Domantay, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Tsao-yu Liang, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Rujuta J. Manghani, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1450 Treat Blvd, Ste 160, Walnut Creek, CA 94597
Phone: 925-296-9000    
Timothy P. Corfman, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
John Y. Kim, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    

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.