Dr John Kassabian, MD - Medicare Internal Medicine in Long Beach, CA

Dr John Kassabian, MD is a medicare enrolled "Internal Medicine" physician in Long Beach, California. His current practice location is 1333 Chestnut Avenue, Long Beach, California. You can reach out to his office (for appointments etc.) via phone at (562) 599-8601.

Dr John Kassabian is licensed to practice in California (license number G87727) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1932207768.

Contact Information

Dr John Kassabian, MD
1333 Chestnut Avenue,
Long Beach, CA 90813
(562) 599-8601
(562) 599-4916

Map and Direction




Physician's Profile

Full NameDr John Kassabian
GenderMale
SpecialityInternal Medicine
Location1333 Chestnut Avenue, Long Beach, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1932207768
  • Provider Enumeration Date: 09/20/2006
  • Last Update Date: 02/01/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 6002820198
  • Enrollment ID: I20121129000502

Medical Identifiers

Medical identifiers for Dr John Kassabian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932207768NPI-NPPES
3985008MedicaidNJ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 25MA03079500 (New Jersey)Secondary
207R00000XInternal Medicine G87727 (California)Primary

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 John Kassabian allows following entities to bill medicare on his behalf.
Entity NameCounty Of Los Angeles
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851363188
PECOS PAC ID: 1850296534
Enrollment ID: O20031204001218

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 John Kassabian 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 John Kassabian, MD
1333 Chestnut Avenue,
Long Beach, CA 90813

Ph: (562) 599-8601
Dr John Kassabian, MD
1333 Chestnut Avenue,
Long Beach, CA 90813

Ph: (562) 599-8601

Reviews and Comments


Internal Medicine Doctors in Long Beach, CA

Sohrab Tanavoli, D.O
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Phone: 562-988-7000    
Meggan Chappell,
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Medicare: Medicare Enrolled
Practice Location: 3833 Worsham Ave Ste 300, Long Beach, CA 90808
Phone: 562-595-5421    Fax: 562-426-2862
Dr. Maurice A Bell, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4100 Long Beach Blvd, Suite 200, Long Beach, CA 90807
Phone: 562-981-2355    Fax: 562-981-2920
Katya C Corado, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1333 Chestnut Ave, Long Beach, CA 90813
Phone: 562-599-8601    Fax: 562-218-0853
Dr. Diane L. Johnson, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 65 Pine Ave, #19, Long Beach, CA 90802
Phone: 714-402-4685    Fax: 562-856-0389

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.