James L Chen, DO - Medicare Allergy & Immunology in San Francisco, CA

James L Chen, DO is a medicare enrolled "Allergy & Immunology" physician in San Francisco, California. His current practice location is 6850 Geary Blvd, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 751-6800.

James L Chen is licensed to practice in California (license number 20A8279) 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 1891870119.

Contact Information

James L Chen, DO
6850 Geary Blvd,
San Francisco, CA 94121-1604
(415) 751-6800
Not Available



Physician's Profile

Full NameJames L Chen
GenderMale
SpecialityAllergy & Immunology
Location6850 Geary Blvd, San Francisco, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1891870119
  • Provider Enumeration Date: 10/26/2006
  • Last Update Date: 12/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4688630031
  • Enrollment ID: I20041207000821

Medical Identifiers

Medical identifiers for James L Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891870119NPI-NPPES
00AX82790MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 20A8279 (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. James L Chen 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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Entity NameAsthma & Allergy Clinic Of Marin & San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902826456
PECOS PAC ID: 4587684394
Enrollment ID: O20051122000817

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› Verified 7 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. James L Chen 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
James L Chen, DO
6850 Geary Blvd,
San Francisco, CA 94121-1604

Ph: (415) 751-6800
James L Chen, DO
6850 Geary Blvd,
San Francisco, CA 94121-1604

Ph: (415) 751-6800

News Archive

Genetic variation associated with increased risk of sudden cardiac arrest

A study by a global consortium of physician-scientists has identified a genetic variation that may predispose people to double the risk of having a sudden cardiac arrest, a disorder that gives little warning and is fatal in about 95 percent of cases.

New report examines impact of federal and state policy decisions on community health centers

A new report by the Geiger Gibson/RCHN Community Health Foundation Research Collaborative at the George Washington University School of Public Health and Health Services examines the impact of federal and state policy decisions on community health centers and their ability to continue providing primary care to the nation's poorest residents.

Study examines ways to develop predictive tool for cesarean delivery in nulliparous patients

In a study to be presented on Feb. 4 in an oral concurrent session at 1:15 p.m. EST, at the Society for Maternal-Fetal Medicine's annual meeting, The Pregnancy Meeting, in Atlanta, researchers will present findings from a study titled, How to Predict Cesarean Delivery in the Nulliparous Patient: Results from the Prospective Multi-center Genesis Study.

International SHAPE project reveals massive public lack of awareness on heart failure

An international survey of the public's awareness of heart failure has revealed a woeful and worrying level of ignorance, according to the lead author of the research, which is published (Wednesday 31 August) in Europe's leading cardiology journal European Heart Journal.

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› Verified 7 days ago


Allergy & Immunology Doctors in San Francisco, CA

Dr. Mitchell C Sollod, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 595 Buckingham Way, #355, San Francisco, CA 94132
Phone: 415-566-2727    Fax: 415-566-0081
Dr. Laurence Cheng, MD, PHD
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 505 Parnassus Ave, M679, Box 0105, San Francisco, CA 94143
Phone: 415-476-6309    
Dr. Katharine Fast, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 450 Sutter St, Allergy And Immunology Suite 1336, San Francisco, CA 94108
Phone: 415-433-7800    Fax: 415-433-2130
Dr. Jeffrey Mitchel Davidson, M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 180 Montgomery St, Suite 2370, San Francisco, CA 94104
Phone: 415-433-6673    Fax: 415-433-6063
Dr. Roger F. Espiritu, M.D.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 400 Parnassus Ave Fl 5, San Francisco, CA 94143
Phone: 415-353-2725    Fax: 415-353-2568
Monica Tang,
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 400 Parnassus Ave, San Francisco, CA 94143
Phone: 415-353-2725    
Dr. Oscar L Frick, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 400 Parnassus Ave, San Francisco, CA 94143
Phone: 415-353-2725    Fax: 415-476-4009

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