Christine S O'brien, MD - Medicare Emergency Medicine in San Francisco, CA

Christine S O'brien, MD is a medicare enrolled "Emergency Medicine" physician in San Francisco, California. Her current practice location is 2200 Ofarrell St, San Francisco, California. You can reach out to her office (for appointments etc.) via phone at (415) 833-2000.

Christine S O'brien is licensed to practice in California (license number A78053) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1134207772.

Contact Information

Christine S O'brien, MD
2200 Ofarrell St,
San Francisco, CA 94115-3357
(415) 833-2000
Not Available



Physician's Profile

Full NameChristine S O'brien
GenderFemale
SpecialityEmergency Medicine
Location2200 Ofarrell St, 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: 1134207772
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6800071127
  • Enrollment ID: I20110503000062

Medical Identifiers

Medical identifiers for Christine S O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134207772NPI-NPPES
00A780530MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A78053 (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. Christine S O'brien allows following entities to bill medicare on her 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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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. Christine S O'brien 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
Christine S O'brien, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Christine S O'brien, MD
2200 Ofarrell St,
San Francisco, CA 94115-3357

Ph: (415) 833-2000

News Archive

Machine learning can help predict future diabetes patients

A type of artificial intelligence called machine learning can help predict which patients will develop diabetes, according to an ENDO 2020 abstract that will be published in a special supplemental section of the Journal of the Endocrine Society.

Cell phone radiation bad for rats but OK for humans: study

Much has been said and studied regarding the ill effects of mobile phone radiation on human health. A new study has found that high levels of radiation from cell phones is capable of causing cancers in the heart of laboratory animals. However the levels of radiation emitted by cell phones is much less than this threshold level.

Merck agrees to pay $58 million to aettle multistate lawsuit that claimed advertisements for Vioxx played down health risks

Merck on Tuesday agreed to a $58 million settlement with 29 states and the District of Columbia to end investigations over allegations that it downplayed cardiovascular risks caused by the COX-2 inhibitor Vioxx in direct-to-consumer advertisements dating back to 1999, the AP/Philadelphia Inquirer reports (Raffaele, AP/Philadelphia Inquirer, 5/21).

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Now researchers at Stanford University School of Medicine are a step closer to understanding how the drug's active ingredients - tetrahydrocannabinol and related compounds, called cannabinoids - may exert their effects.

Read more News

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Emergency Medicine Doctors in San Francisco, CA

Paul Robinson,
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1230 Arguello Blvd Apt 2, San Francisco, CA 94122
Phone: 415-948-8836    
Frederick D Pitts Jr., MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 229 7th St, San Francisco, CA 94103
Phone: 415-503-6042    Fax: 415-503-6099
Georgina Lisseth Calderon, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1501 10th Ave, Apt. 1, San Francisco, CA 94122
Phone: 323-514-0964    
Timothy Bauer Duncan, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2333 Buchanan St, San Francisco, CA 94115
Phone: 209-342-2300    Fax: 209-524-4240
Bichhuong M Dinh, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3555 Cesar Chavez, San Francisco, CA 94110
Phone: 240-447-1281    
Dr. Lauren Elizabeth Chalwell, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1001 Potrero Avenue Department Of Emergency Medicine, San Francisco General Hospital,, San Francisco, CA 94110
Phone: 415-206-5753    
Dr. Jeremy Lacocque, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1001 Potrero Ave, San Francisco, CA 94110
Phone: 628-206-8000    

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