John Muir Physician Network Provider Directory by Specialty May, 2011 Allergy and Immunology David A. Cook, MD Board Certification(s): Expiration: American Board of Allergy and Immunology Lifetime Allergy & Asthma Medical Group American Board of Pediatrics Lifetime Address: Phone: Fax: 130 La Casa Via#2-209 Walnut Creek CA 94598 (925) 935-6252 (925) 935-7611 2305 Camino Ramon #225 San Ramon CA 94583 (925) 327-1450 (925) 327-1454 Anthony N. DeMeo, MD Board Certification(s): Expiration: American Board of Allergy and Immunology Lifetime Anthony DeMeo, M.D. American Board of Internal Medicine Lifetime Address: Phone: Fax: 1844 San Miguel Drive #305 Walnut Creek CA 94596 (925) 939-3437 (925) 939-7814 Joshua S. Jacobs, MD Board Certification(s): Expiration: American Board of Allergy and Immunology 12/31/2017 Allergy & Asthma Medical Group Address: Phone: Fax: 130 La Casa Via #2-209 Walnut Creek CA 94598 (925) 935-6252 (925) 935-7611 350 John Muir Parkway #180 Brentwood CA 94513 (925) 513-3140 (925) 513-2830 5575 W. Las Positas Blvd. #230 Pleasanton CA 94588 (925) 463-9400 (925) 463-8554 Barbara I. Karpel, MD Board Certification(s): Expiration: American Board of Pediatrics Lifetime Allergy & Asthma Medical Group American Board of Allergy and Immunology Lifetime Address: Phone: Fax: 2305 Camino Ramon #225 San Ramon CA 94583 (925) 327-1450 (925) 327-1454 5575 W. Las Positas, #230 Pleasanton CA 94588 (925) 463-9400 (925) 463-8554 Matthew J. Lodewick, MD Board Certification(s): Expiration: American Board of Pediatrics 12/31/2015 Allergy & Asthma Medical Group American Board of Allergy and Immunology 12/31/2013 Address: Phone: Fax: 2305 Camino Ramon #225 San Ramon CA 94583 (925) 327-1450 (925) 327-1454 130 La Casa Via #2-209 Walnut Creek CA 94598 (925) 935-6252 (925) 935-7611 Nancy B. Mozelsio, MD Board Certification(s): Expiration: Allergy & Asthma Medical Group Address: Phone: Fax: 130 La Casa Via #2-209 Walnut Creek CA 94598 (925) 935-6252 (925) 935-7611 5575 W. Las Positas Blvd. #230 Pleasanton CA 94588 (925) 463-9400 (925) 463-8554 Bruce F. Paterson, MD Board Certification(s): Expiration: American Board of Allergy and Immunology 12/31/2013 Bruce Paterson, M.D. American Board of Internal Medicine Lifetime Address: Phone: Fax: 1844 San Miguel Drive #304-C Walnut Creek CA 94596 (925) 939-3322 (925) 939-3388 2485 High School Ave #127 Concord CA 94520 (925) 685-3033 (925) 685-3003 Cardiac Electrophysiology Susan J. Eisenberg, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of IM/Electrophysiology 12/31/2019 Arrhythmia Specialists, Inc. American Board of IM/Cardiovascular Disease 12/31/2015 Address: Phone: Fax: 112 La Casa Via #360 Walnut Creek CA 94598 (925) 935-2070 (925) 935-8370 Robert C. Feldman, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of Internal Medicine Lifetime Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease Lifetime Address: Phone: Fax: 106 La Casa Via #140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 May 9, 2011 1 John Muir Physician Network Provider Directory by Specialty May, 2011 Anurag Gupta, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of IM/Cardiovascular Disease 12/31/2018 Cardiovascular Consultants Medical Group American Board of Internal Medicine 12/31/2015 Address: Phone: Fax: 106 La Casa Via #140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 5201 Norris Canyon Rd. #220 San Ramon CA 94583 (925) 277-1900 (925) 277-1568 George Horvath, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of IM/Electrophysiology 12/31/2016 Berkeley Cardiovascular Medical Group American Board of IM/Cardiovascular Disease 12/31/2015 Address: Phone: Fax: 2450 Ashby Avenue Berkeley CA 94705 (510) 204-1691 (510) 204-5422 Eric L. Johnson, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of IM/Interventional Cardiology 12/31/2020 Cardiovascular Consultants Medical Group American Board of Internal Medicine American Board of IM/Cardiovascular Disease Lifetime Lifetime Address: Phone: Fax: Cardiovascular Consultants Medical Group, Inc 106 La (925) 274-2860 (925) 932-4527 Casa Via #140 Walnut Creek CA 94598 Steven Kang, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of IM/Electrophysiology 12/31/2015 Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease 12/31/2013 Address: Phone: Fax: 106 La Casa Via, # 140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 5201 Norris Canyon Rd. #220 San Ramon CA 94583 (925) 277-1900 (925) 277-1568 Michael A. Lee, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of Internal Medicine Lifetime Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease Lifetime American Board of IM/Electrophysiology Address: Phone: Fax: 106 La Casa Via #140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 Paul L. Ludmer, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of Internal Medicine Lifetime Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease Lifetime Address: Phone: Fax: 106 La Casa Via, # 140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 Carleton T. Nibley, MD Board Certification(s): Expiration: Referral requires prior authorization from JMPN American Board of IM/Electrophysiology 12/31/2017 Arrhythmia Specialists, Inc. American Board of IM/Cardiovascular Disease 12/31/2015 Address: Phone: Fax: 112 La Casa Via #360 Walnut Creek CA 94598 (925) 935-2070 (925) 935-8370 Cardiology Nabil K. Abudayeh, MD Board Certification(s): Expiration: Advanced Cardiovascular Institute Address: Phone: Fax: 1022 Murrieta Blvd. Livermore CA 94550 (925) 961-8920 (925) 961-8923 Agustin J. Argenal, MD Board Certification(s): Expiration: American Board of Internal Medicine Lifetime Contra Costa Cardiology Medical Group American Board of IM/Cardiovascular Disease Lifetime Address: Phone: Fax: 2485 High School Ave. #100 Concord CA 94520 (925) 671-0610 (925) 671-0878 2400 Balfour Rd. #230 Brentwood CA 94513 (925) 671-0610 (925) 671-0878 Kristine W. Batten, MD Board Certification(s): Expiration: American Board of Internal Medicine Lifetime Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease Lifetime May 9, 2011 2 John Muir Physician Network Provider Directory by Specialty May, 2011 Address: Phone: Fax: 106 La Casa Via #140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 5201 Norris Canyon Rd. #220 San Ramon CA 94583 (925) 277-1900 (925) 277-1568 2400 Balfour Road #215 Brentwood CA 94513 (925) 516-3230 (925) 516-3235 Andrew J. Benn, MD Board Certification(s): Expiration: American Board of Internal Medicine Lifetime Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease Address: Phone: Fax: 106 La Casa Via #140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 5201 Norris Canyon Rd., #220 San Ramon CA 94583 (925) 277-1900 (925) 277-1568 2400 Balfour Road #215 Brentwood CA 94513 (925) 516-3230 (925) 516-3235 Michael A. Brown, MD Board Certification(s): Expiration: American Board of IM/Cardiovascular Disease 12/31/2020 COR Cardiolovascular American Board of Internal Medicine 12/31/2016 Address: Phone: Fax: 1399 Ygnacio Valley Rd. #11 Walnut Creek CA 94598 (925) 937-1770 (925) 937-0630 Ryan A. Brown, MD Board Certification(s): Expiration: American Board of IM/Interventional Cardiology 12/31/2019 Cardiovascular Consultants Medical Group American Board of IM/Cardiovascular Disease 12/31/2018 American Board of Internal Medicine 12/31/2015 Address: Phone: Fax: 106 La Casa Via #140 Walnut Creek CA 94598 (925) 274-2860 (925) 932-4527 5201 Norris Canyon Rd. #220 San Ramon CA 94583 (925) 277-1900 (925) 277-1568 Timothy A. Carlton, MD Board Certification(s): Expiration: American Board of IM/Interventional Cardiology 12/31/2013 Timothy A. Carlton, M.D. American Board of Internal Medicine American Board of IM/Cardiovascular Disease American Board of IM/Critical Care Medicine Lifetime Lifetime Address: Phone: Fax: 365 Lennon Lane #210 Walnut Creek CA 94598 (925) 944-1100 (925) 944-1167 Jacques Chahin, MD Board Certification(s): Expiration: American Board of Internal Medicine Lifetime Advanced Cardiovascular Institute American Board of IM/Cardiovascular Disease Lifetime Address: Phone: Fax: 2700 Grant Street #311 Concord CA 94520 (925) 689-4343 (925) 689-0114 1022 Murrieta Blvd. Livermore CA 94550 (925) 961-8920 (925) 961-8923 Richard M. Chang, MD Board Certification(s): Expiration: American Board of IM/Cardiovascular Disease 12/31/2018 Contra Costa Cardiology Medical Group American Board of Internal Medicine 12/31/2014 Address: Phone: Fax: 2485 High School Ave., #100 Concord CA 94520 (925) 671-0610 (925) 671-0878 2400 Balfour Rd. #230 Brentwood CA 94513 (925) 671-0610 (925) 671-1064 Lambert H. Chee, MD Board Certification(s): Expiration: American Board of Internal Medicine Lifetime COR Cardiolovascular American Board of IM/Cardiovascular Disease Lifetime Address: Phone: Fax: Diablo Cardiology 1399 Ygnacio Valley Road #11 Walnut (925) 937-1770 (925) 937-0630 Creek CA 94598 Diablo Valley Research, Inc.-non patient care 2255 Ygnacio Valley Road, Suite M Walnut Creek CA 94598 Sally L. Davis, MD Board Certification(s): Expiration: