Dr Dennis Keith Alfaro, MD - Medicare Emergency Medicine in Pleasanton, CA

Dr Dennis Keith Alfaro, MD is a medicare enrolled "Emergency Medicine" physician in Pleasanton, California. His current practice location is 5555 W Las Positas Blvd, Pleasanton, California. You can reach out to his office (for appointments etc.) via phone at (209) 342-2300.

Dr Dennis Keith Alfaro is licensed to practice in California (license number G67215) 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 1407847718.

Contact Information

Dr Dennis Keith Alfaro, MD
5555 W Las Positas Blvd,
Pleasanton, CA 94588-4000
(209) 342-2300
(209) 524-4240



Physician's Profile

Full NameDr Dennis Keith Alfaro
GenderMale
SpecialityEmergency Medicine
Location5555 W Las Positas Blvd, Pleasanton, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1407847718
  • Provider Enumeration Date: 11/04/2005
  • Last Update Date: 07/14/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 8628966405
  • Enrollment ID: I20040310000342

Medical Identifiers

Medical identifiers for Dr Dennis Keith Alfaro such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407847718NPI-NPPES
00G672150OtherCABLUE SHIELD
00G672150MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine G67215 (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. Dr Dennis Keith Alfaro allows following entities to bill medicare on his behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520

News Archive

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Janssen Research & Development, LLC today announced positive results from a pivotal Phase 2 global registration study (MCD2001) suggesting siltuximab, an investigational compound, along with best supportive care, exhibited statistically significant efficacy and a tolerable safety profile compared with placebo and BSC in treating patients with the rare disorder Multicentric Castleman's Disease who are HIV-negative and human herpes virus 8-negative.

Moderate radiation doses can kill premalignant cells and prevent second breast cancers

​Survivors of breast cancer have a one in six chance of developing breast cancer in the other breast. But a study conducted in mice suggests that survivors can dramatically reduce that risk through treatment with moderate doses of radiation to the unaffected breast at the same time that they receive radiation therapy to their affected breast.

3-D model of famous amnesiac's brain helps illuminate human memory

During his lifetime, Henry G. Molaison (H.M.) was the best-known and possibly the most-studied patient of modern neuroscience. Now, thanks to the postmortem study of his brain, based on histological sectioning and digital three-dimensional construction led by Jacopo Annese, PhD, at the University of California, San Diego, scientists around the globe will finally have insight into the neurological basis of the case that defined modern studies of human memory.

Lipopeptides released by staphylococci play key role in triggering septicemia

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› Verified 3 days ago

Entity NameSan Francisco Emergency Medical
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134110661
PECOS PAC ID: 5698662518
Enrollment ID: O20040303001130

News Archive

Janssen reports positive pivotal Phase 2 study data of siltuximab for Multicentric Castleman's Disease

Janssen Research & Development, LLC today announced positive results from a pivotal Phase 2 global registration study (MCD2001) suggesting siltuximab, an investigational compound, along with best supportive care, exhibited statistically significant efficacy and a tolerable safety profile compared with placebo and BSC in treating patients with the rare disorder Multicentric Castleman's Disease who are HIV-negative and human herpes virus 8-negative.

Moderate radiation doses can kill premalignant cells and prevent second breast cancers

​Survivors of breast cancer have a one in six chance of developing breast cancer in the other breast. But a study conducted in mice suggests that survivors can dramatically reduce that risk through treatment with moderate doses of radiation to the unaffected breast at the same time that they receive radiation therapy to their affected breast.

3-D model of famous amnesiac's brain helps illuminate human memory

During his lifetime, Henry G. Molaison (H.M.) was the best-known and possibly the most-studied patient of modern neuroscience. Now, thanks to the postmortem study of his brain, based on histological sectioning and digital three-dimensional construction led by Jacopo Annese, PhD, at the University of California, San Diego, scientists around the globe will finally have insight into the neurological basis of the case that defined modern studies of human memory.

Lipopeptides released by staphylococci play key role in triggering septicemia

Septicemia or blood poisoning caused by Staphylococcus aureus leads to thousands of deaths each year in Germany alone. Just how the infection begins - and can lead to multiple organ failure - was little understood until now.

Read more Medical News

› Verified 3 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 Dennis Keith Alfaro 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 Dennis Keith Alfaro, MD
4301 Northstar Way,
Modesto, CA 95356-9262

Ph: (209) 342-2300
Dr Dennis Keith Alfaro, MD
5555 W Las Positas Blvd,
Pleasanton, CA 94588-4000

Ph: (209) 342-2300

News Archive

Janssen reports positive pivotal Phase 2 study data of siltuximab for Multicentric Castleman's Disease

Janssen Research & Development, LLC today announced positive results from a pivotal Phase 2 global registration study (MCD2001) suggesting siltuximab, an investigational compound, along with best supportive care, exhibited statistically significant efficacy and a tolerable safety profile compared with placebo and BSC in treating patients with the rare disorder Multicentric Castleman's Disease who are HIV-negative and human herpes virus 8-negative.

Moderate radiation doses can kill premalignant cells and prevent second breast cancers

​Survivors of breast cancer have a one in six chance of developing breast cancer in the other breast. But a study conducted in mice suggests that survivors can dramatically reduce that risk through treatment with moderate doses of radiation to the unaffected breast at the same time that they receive radiation therapy to their affected breast.

3-D model of famous amnesiac's brain helps illuminate human memory

During his lifetime, Henry G. Molaison (H.M.) was the best-known and possibly the most-studied patient of modern neuroscience. Now, thanks to the postmortem study of his brain, based on histological sectioning and digital three-dimensional construction led by Jacopo Annese, PhD, at the University of California, San Diego, scientists around the globe will finally have insight into the neurological basis of the case that defined modern studies of human memory.

Lipopeptides released by staphylococci play key role in triggering septicemia

Septicemia or blood poisoning caused by Staphylococcus aureus leads to thousands of deaths each year in Germany alone. Just how the infection begins - and can lead to multiple organ failure - was little understood until now.

Read more News

› Verified 3 days ago


Emergency Medicine Doctors in Pleasanton, CA

Cynthia Sue Penn-duecker, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Dr. Tony G Shiu, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Edward Y Kan, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Yen-hua Yu, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 925-416-6585    
Scott Gregory Seidman, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Douglas Kei Yoshida, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Robert Louis Mandiberg,
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240

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