Dr Derek Way-jun Shek, MD - Medicare Medical Oncology in San Leandro, CA

Dr Derek Way-jun Shek, MD is a medicare enrolled "Internal Medicine" physician in San Leandro, California. He went to Northwestern University Feinberg Medical School and graduated in 2004 and has 20 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 2500 Merced Street, San Leandro, California. You can reach out to his office (for appointments etc.) via phone at (510) 454-1000.

Dr Derek Way-jun Shek is licensed to practice in California (license number A95144) 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 1154448587.

Contact Information

Dr Derek Way-jun Shek, MD
2500 Merced Street,
San Leandro, CA 94577
(510) 454-1000
Not Available



Physician's Profile

Full NameDr Derek Way-jun Shek
GenderMale
SpecialityMedical Oncology
Experience20 Years
Location2500 Merced Street, San Leandro, 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 Derek Way-jun Shek attended and graduated from Northwestern University Feinberg Medical School in 2004
  NPI Data:
  • NPI Number: 1154448587
  • Provider Enumeration Date: 03/22/2007
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1456434844
  • Enrollment ID: I20080207000617

Medical Identifiers

Medical identifiers for Dr Derek Way-jun Shek such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154448587NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A95144 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - San LeandroSan leandro, CAHospital

Group Practice Association

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

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› Verified 8 days ago

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 Derek Way-jun Shek 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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As part of its foray into health IT, AT&T has partnered with WellDoc, a Baltimore-based company that makes an FDA-approved mobile-phone application to help manage diabetes, The Baltimore Sun reports. "The telecommunications giant launched a new business segment last week that will focus on technology solutions for the health care industry. And WellDoc's software will be pitched by AT&T's huge marketing muscle to commercial clients ranging from hospitals to insurers to employers" (Sentementes, 11/8).

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› 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. Dr Derek Way-jun Shek 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 Derek Way-jun Shek, MD
2500 Merced Street,
San Leandro, CA 94577

Ph: (510) 454-1000
Dr Derek Way-jun Shek, MD
2500 Merced Street,
San Leandro, CA 94577

Ph: (510) 454-1000

News Archive

Novo Nordisk's Levemir not associated with increase in the incidence of cancer

A meta-analysis of clinical data published today in Diabetologia, the medical journal for the European Association for the Study of Diabetes (EASD), demonstrated that the Novo Nordisk long-acting insulin Levemir® (insulin detemir [rDNA origin] injection) was not associated with any increase in the incidence of cancer when compared to human insulin.

New blood test can help determine the state of a person's internal clock

With a new blood test, researchers at the Charité - Universitätsmedizin Berlin can determine the state of the internal clock of a person. Once the internal rhythm of patient is known, drugs could be administered at particular times of day making them more effective and with fewer side effects than standard therapy.

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Just a quick walk through the parking lot of Choices-Memphis Center for Reproductive Health in this legendary music mecca speaks volumes about access to abortion in the American South.

Gov't health IT spending attracts investments from all over

As part of its foray into health IT, AT&T has partnered with WellDoc, a Baltimore-based company that makes an FDA-approved mobile-phone application to help manage diabetes, The Baltimore Sun reports. "The telecommunications giant launched a new business segment last week that will focus on technology solutions for the health care industry. And WellDoc's software will be pitched by AT&T's huge marketing muscle to commercial clients ranging from hospitals to insurers to employers" (Sentementes, 11/8).

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Internal Medicine Doctors in San Leandro, CA

Dr. Evelyn Junko Nakagawa, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2800 Benedict Dr, San Leandro, CA 94577
Phone: 415-233-3604    Fax: 415-295-5109
Jeffrey Silvers, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 13847 E 14th St, Suite 116, San Leandro, CA 94578
Phone: 510-895-0388    Fax: 510-895-0342
Dr. Asaf Shor, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Dr. Arlen Randall Hoh, MD, MPH
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15400 Foothill Blvd, San Leandro, CA 94578
Phone: 510-895-4288    Fax: 510-895-4285
Masood Younus,
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St Bldg A1, San Leandro, CA 94577
Phone: 510-454-2434    
Tri Dang Do, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 101 Callan Ave Ste 300, San Leandro, CA 94577
Phone: 510-300-5340    
Dr. Shraddha Prakash, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, Kaiser Permanente, San Leandro, CA 94577
Phone: 510-454-5750    

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