Gerald Roy Nazareno, MD - Medicare Emergency Medicine in Pleasanton, CA

Gerald Roy Nazareno, MD is a medicare enrolled "Emergency Medicine" physician in Pleasanton, California. He graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Pleasanton Emergency Medical Group and 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.

Gerald Roy Nazareno is licensed to practice in California (license number A53590) 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 1679564983.

Contact Information

Gerald Roy Nazareno, MD
5555 W Las Positas Blvd,
Pleasanton, CA 94588-4000
(209) 342-2300
(209) 524-4240



Physician's Profile

Full NameGerald Roy Nazareno
GenderMale
SpecialityEmergency Medicine
Experience37 Years
Location5555 W Las Positas Blvd, Pleasanton, 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:
  • Gerald Roy Nazareno graduated from medical school in 1987
  NPI Data:
  • NPI Number: 1679564983
  • Provider Enumeration Date: 11/04/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6709774482
  • Enrollment ID: I20040310000497

Medical Identifiers

Medical identifiers for Gerald Roy Nazareno such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679564983NPI-NPPES
00A535900MedicaidCA
00A535900OtherCABLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A53590 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Stanford Health Care - ValleycarePleasanton, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pleasanton Emergency Medical Group014311892738

News Archive

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Fructose common in western diet can damage brain genes

A range of diseases - from diabetes to cardiovascular disease, and from Alzheimer's disease to attention deficit hyperactivity disorder - are linked to changes to genes in the brain. A new study by UCLA life scientists has found that hundreds of those genes can be damaged by fructose, a sugar that's common in the Western diet, in a way that could lead to those diseases.

Preoperative weight loss may not provide health benefits after surgery

For obese and overweight patients, it is common for various surgical procedures to be deferred until they have lost weight through diet and exercise.

Roche's cobas 4800 HPV Test receives CE mark

Roche today announces an expanded CE mark indication for the cobas 4800 HPV Test. The newly expanded indication for the cobas® 4800 HPV Test as a primary screen means Pap cytology is no longer required as a co- or pre-test in countries that accept a CE mark.

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› Verified 3 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. Gerald Roy Nazareno allows following entities to bill medicare on his behalf.
Entity NamePleasanton Emergency Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285625509
PECOS PAC ID: 0143118927
Enrollment ID: O20040304001270

News Archive

Rosiglitazone shows potential for treating focal segmental glomerulosclerosis

The antidiabetes drug rosiglitazone may have the potential to protect kidney function in patients with a condition called focal segmental glomerulosclerosis (FSGS), according to a study appearing in the January 2009 issue of the Clinical Journal of the American Society Nephrology (CJASN).

Fructose common in western diet can damage brain genes

A range of diseases - from diabetes to cardiovascular disease, and from Alzheimer's disease to attention deficit hyperactivity disorder - are linked to changes to genes in the brain. A new study by UCLA life scientists has found that hundreds of those genes can be damaged by fructose, a sugar that's common in the Western diet, in a way that could lead to those diseases.

Preoperative weight loss may not provide health benefits after surgery

For obese and overweight patients, it is common for various surgical procedures to be deferred until they have lost weight through diet and exercise.

Roche's cobas 4800 HPV Test receives CE mark

Roche today announces an expanded CE mark indication for the cobas 4800 HPV Test. The newly expanded indication for the cobas® 4800 HPV Test as a primary screen means Pap cytology is no longer required as a co- or pre-test in countries that accept a CE mark.

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. Gerald Roy Nazareno 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
Gerald Roy Nazareno, MD
4301 Northstar Way,
Modesto, CA 95356-9262

Ph: (209) 342-2300
Gerald Roy Nazareno, MD
5555 W Las Positas Blvd,
Pleasanton, CA 94588-4000

Ph: (209) 342-2300

News Archive

Rosiglitazone shows potential for treating focal segmental glomerulosclerosis

The antidiabetes drug rosiglitazone may have the potential to protect kidney function in patients with a condition called focal segmental glomerulosclerosis (FSGS), according to a study appearing in the January 2009 issue of the Clinical Journal of the American Society Nephrology (CJASN).

Fructose common in western diet can damage brain genes

A range of diseases - from diabetes to cardiovascular disease, and from Alzheimer's disease to attention deficit hyperactivity disorder - are linked to changes to genes in the brain. A new study by UCLA life scientists has found that hundreds of those genes can be damaged by fructose, a sugar that's common in the Western diet, in a way that could lead to those diseases.

Preoperative weight loss may not provide health benefits after surgery

For obese and overweight patients, it is common for various surgical procedures to be deferred until they have lost weight through diet and exercise.

Roche's cobas 4800 HPV Test receives CE mark

Roche today announces an expanded CE mark indication for the cobas 4800 HPV Test. The newly expanded indication for the cobas® 4800 HPV Test as a primary screen means Pap cytology is no longer required as a co- or pre-test in countries that accept a CE mark.

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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