Dr Catherine K Pyun, - Medicare Internal Medicine in Alameda, CA

Dr Catherine K Pyun, is a medicare enrolled "Internal Medicine" physician in Alameda, California. She graduated from medical school in 1994 and has 30 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Alameda Inpatient Medical Inc and her current practice location is 2070 Clinton Ave, Alameda, California. You can reach out to her office (for appointments etc.) via phone at (510) 514-4397.

Dr Catherine K Pyun is licensed to practice in California (license number 20A6823) 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 1154390144.

Contact Information

Dr Catherine K Pyun,
2070 Clinton Ave,
Alameda, CA 94501-4399
(510) 514-4397
(510) 814-4391

Map and Direction




Physician's Profile

Full NameDr Catherine K Pyun
GenderFemale
SpecialityInternal Medicine
Experience30 Years
Location2070 Clinton Ave, Alameda, 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:
  • Dr Catherine K Pyun graduated from medical school in 1994
  NPI Data:
  • NPI Number: 1154390144
  • Provider Enumeration Date: 03/14/2006
  • Last Update Date: 07/16/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1254375983
  • Enrollment ID: I20050614000848

Medical Identifiers

Medical identifiers for Dr Catherine K Pyun such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154390144NPI-NPPES
00AX68230MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 20A6823 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Alameda HospitalAlameda, CAHospital
Highland HospitalOakland, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Alameda Inpatient Medical Inc549675757719

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 Catherine K Pyun allows following entities to bill medicare on her behalf.
Entity NameAlameda Inpatient Medical Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588673750
PECOS PAC ID: 5496757577
Enrollment ID: O20070201000534

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 Catherine K Pyun 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 Catherine K Pyun,
2070 Clinton Ave,
Alameda, CA 94501-4399

Ph: (510) 814-4397
Dr Catherine K Pyun,
2070 Clinton Ave,
Alameda, CA 94501-4399

Ph: (510) 514-4397

Reviews and Comments


Internal Medicine Doctors in Alameda, CA

Dr. Lorraine Bonner, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2070 Clinton Ave, Rm 2113, Alameda, CA 94501
Phone: 510-814-4397    Fax: 510-814-4391
Dr. William S Lowery, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2070 Clinton Ave, Alameda, CA 94501
Phone: 510-814-4089    Fax: 510-521-4187
Dr. Anita C. Gaind, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2217 S Shore Ctr Ste 250, Alameda, CA 94501
Phone: 510-323-4410    Fax: 510-694-0776
Dr. Alvaro Daniel Waissbluth, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2070 Clinton Ave Fl 3, Alameda, CA 94501
Phone: 510-522-6323    
Kinjal Patel,
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2217 S Shore Ctr # 250, Alameda, CA 94501
Phone: 510-323-4410    Fax: 510-694-0776
David R. Craney, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2417 Central Ave, Alameda, CA 94501
Phone: 510-749-5731    

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.