Commission on Audit Regional Office No. IV-A (CaLaBaRZon)

Commonwealth Avenue, Quezon City

Philippines 1100

coa.reg4a@coa.gov.ph

Telephone Nos.: 8951-1341; 8951-1351; 8951-1382; 8951-3810

 

Office of the Regional Director

Atty. Resurreccion C. Quieta

Regional Director

lgs_region4a@yahoo.com

 

 

Melanie P. Ruidera

OIC – Assistant Regional Director

 

ruidera_melanie@yahoo.com

 Audit and Government Accountancy Division

Norminda C. Irica

OIC-Division Chief

nmirica@coa.gov.ph

Administration, Training and Finance Division

Delvee B. Gaasis-Sacdalan

Division Chief

dbsacdalan@coa.gov.ph
 

Legal and Adjudication Division

Atty. Mark Ranier C. Arenas

Division Chief

ls.coaregion4a@gmail.com
 

Fraud Audit Division

Cruzette P. Dela Cruz

OIC-Division Chief

coa4a.fraudauditservices@gmail.com
 

Technical Audit Division

Noel S. Bernardo

OIC-Division Chief

techits4a@gmail.com
 

Local Government Audit Sector IV-A

LGS A – Province of Batangas I

Elena L. Luarca

Supervising Auditor

elluarca@coa.gov.ph
LGS A – Province of Batangas II

Atty. John Arvin B. Atie

OIC-Supervising Auditor

jabatie@coa.gov.ph
LGS B – Province of Cavite

Atty. Osana Theresa D. Domingo

OIC-Supervising Auditor

otddomingo@coa.gov.ph
LGS C – Province of Laguna

Rodolfo M. Asuncion

OIC-Supervising Auditor

rmasuncion@coa.gov.ph
LGS D – Province of Rizal

Florante P. Mondez

OIC-Supervising Auditor

fpmondez@coa.gov.ph
LGS E – Province of Quezon I

Celerino C. Alviar

Supervising Auditor

ccalviar@coa.gov.ph
LGS E – Province of Quezon II

Christopher H. Perez

OIC-Supervising Auditor

chperez@coa.gov.ph
 

National Government Audit Sector IV-A

Clusters 1, 2, 3, and 4

Helenito D. Lualhati, Jr.

OIC-Regional Supervising Auditor

hdlualhati@coa.gov.ph
Cluster 5

Atty. John Ferdinand V. Balgua

OIC-Regional Supervising Auditor

jfvbalgua@coa.gov.ph
Clusters 6 and 8

Mark Schundel L. Reymundo

OIC-Regional Supervising Auditor

mslreymundo@coa.gov.ph
Cluster 7

Ms. Vivian N. Cavida

OIC-Regional Supervising Auditor

vncavida@coa.gov.ph
SUCs and other NGS Stand-Alone Agencies

Ms. Heidy M. Barcimo

Supervising Auditor

 

hmbarcimo@coa.gov.ph
 

Corporate Government Audit Sector IV-A

Cluster 1, 2, and 4

Marcelina Leticia B. Maquimot

Regional Supervising Auditor

mlbmaquimot@coa.gov.ph
Clusters 3, 5, and 6

Edita M. Corpus

Regional Supervising Auditor

emcorpus@coa.gov.ph
Water Districts and other Stand-Alone Agencies

Sylvia A. Espiritu

Supervising Auditor

saespiritu@coa.gov.ph