Hayssam Hajar, MD - Medicare Internal Medicine in Roseville, CA

Hayssam Hajar, MD is a medicare enrolled "Hospitalist" physician in Roseville, California. He graduated from medical school in 1997 and has 27 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 1600 Eureka Rd, Roseville, California. You can reach out to his office (for appointments etc.) via phone at (916) 784-4000.

Hayssam Hajar is licensed to practice in California (license number A72586) 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 1043398761.

Contact Information

Hayssam Hajar, MD
1600 Eureka Rd,
Roseville, CA 95661-3027
(916) 784-4000
Not Available



Physician's Profile

Full NameHayssam Hajar
GenderMale
SpecialityInternal Medicine
Experience27 Years
Location1600 Eureka Rd, Roseville, 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:
  • Hayssam Hajar graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1043398761
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6103015813
  • Enrollment ID: I20110112000182

Medical Identifiers

Medical identifiers for Hayssam Hajar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043398761NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A72586 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy San Juan Medical CenterCarmichael, CAHospital
Kaiser Foundation Hospital - RosevilleRoseville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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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. Hayssam Hajar allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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Read more Medical News

› Verified 8 days ago

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. Hayssam Hajar 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
Hayssam Hajar, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Hayssam Hajar, MD
1600 Eureka Rd,
Roseville, CA 95661-3027

Ph: (916) 784-4000

News Archive

HIV diagnosis falls to a record low in NYC, finds report

Reporting of new cases of HIV started in 2001 and since then there has been a steady rise and stability of numbers. In 2018 for the first time in nearly two decades, researchers have reported number of new cases to be below 2,000 over the year. This is a record 67 percent decline in the numbers since 2001, says the report. Further the decline in the numbers has been seen in nearly all age groups between 2017 and 2018.

First Edition: April 28, 2014

Today's headlines include a number of stories examining the impact of the health law in various states.

Azelastine antihistamine inhibits SARS-CoV-2 infection in nasal tissue in vitro

In a study published on the bioRxiv preprint server, researchers from the University of Pécs, University of Vienna, and CEBINA GmbH, Vienna, show the ability of the antihistamine azelastine to inhibit SARS-CoV-2 infection in human nasal tissue in vitro.

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Insurance companies push speech-impaired patients, like one New York woman with ALS, or Lou Gehrig's disease, to buy expensive computers featuring text-to-speech software by refusing to pay for alternative devices, the New York Times reports. Furthermore, they insist on blocking all other capabilities of the proprietary machines they do cover.

Read more News

› Verified 8 days ago


Hospitalist Doctors in Roseville, CA

Quan T. Nguyen, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1600 Eureka Rd, Roseville, CA 95661
Phone: 916-784-4000    
Shahin Zanganeh, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1600 Eureka Rd, Roseville, CA 95661
Phone: 916-784-4000    
Dr. Schonze Frances Del Pozo, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1 Medical Plaza Dr, Roseville, CA 95661
Phone: 916-781-1927    Fax: 916-781-1787
Gregory A. Hussa, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1600 Eureka Rd, Roseville, CA 95661
Phone: 916-784-4000    
Michael E. Driscoll, DO
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1600 Eureka Rd, Roseville, CA 95661
Phone: 916-784-4000    
Diane Apostolakos, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1600 Eureka Rd, Roseville, CA 95661
Phone: 916-784-4000    

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