CENTRAL OFFICE

OFFICE OF THE ADMINISTRATOR

OFFICE OF THE ADMINISTRATOR

Ricardo R. Visaya
Administrator

Email Address:
 adminoffice@nia.gov.ph

Telephone Number:
 (632) 922-2795, (632) 926-4510

Fax Number: 
 (632) 926-2846

OFFICE OF THE SENIOR DEPUTY ADMINISTRATOR

Abraham B. Bagasin
Senior Deputy Administrator

Email Address:
osda@nia.gov.ph

Telephone Number:
 (632) 928-1280 

Fax Number: 
 (632) 928-1280

OFFICE OF THE CORPORATE BOARD SECRETARY

Jiselle Rae A. Villamor
Corporate Board Secretary

Email Address:
 board.secretary@nia.gov.phnia.corsec@gmail.com

Telephone Number:
 (632) 928-8820

Fax Number: 
 (632) 928-8820

OFFICE OF THE INTERNAL AUDIT SERVICES

Guillermo C. Mercado
Department Manager (Acting)

Email Address:
 ias@nia.gov.ph

Telephone Number:
 (632) 926-2411

Fax Number: 
 (632) 926-2411

 Apolonia G. Gaberia
 Mary Cresencia J. de Paz

 Division Manager (Acting)
 Division Manager (Acting)

 Financial and Operations Audit
 Organization and Management Audit

 Email Address: ias.foad@nia.gov.ph 
 Email Address: ias.omad@nia.gov.ph 

 Telephone Number: (632) 926-2411
 Telephone Number: (632) 926-2411

OFFICE OF THE CORPORATE PLANNING SERVICES

Rogelia C. dela Torre
Department Manager

Email Address:
 cps@nia.gov.phcorplan.nia@da.gov.ph

Telephone Number:
 (632) 926-5896 

Fax Number: 
 (632) 926-5896

 Reynaldo D. Nilo
 Isidora M. Camaya
 -

 Division Manager (Acting)
 Division Manager
 -

 Planning and Programming
 Management Information
 Management Services (interim)

 Email Address: cps.ppd@nia.gov.ph 
 Email Address: cps.mid@nia.gov.ph  
 Email Address: cps.msd@nia.gov.ph;
 nia.msdcorplan@gmail.com

 Telephone Number: (632) 926-2076
 Telephone Number: (632) 927-0916, (632) 926-5896
 Telephone Number: (632) 926-2076

OFFICE OF THE LEGAL SERVICES

Pepito L. Padilla
Department Manager (Acting)

Email Address:
 legal@nia.gov.ph 

Telephone Number:
 (632) 926-2566

Fax Number: 
 (632) 926-2566

OFFICE OF THE PUBLIC AFFAIRS AND INFORMATION STAFF

Pilipina P. Bermudez
Department Manager

Email Address:
 pais@nia.gov.phvparamio@yahoo.comniapais@gmail.com

Telephone Number:
 (632) 921-3741, (632) 929-6071 to 79 loc. 113 / 119

Fax Number: 
 (632) 921-3741

OFFICE OF THE DEPUTY ADMINISTRATOR FOR ENGINEERING AND OPERATIONS

C'zar M. Sulaik
Deputy Administrator

Email Address:
 deputy.eos@nia.gov.ph

Telephone Number:
 (632) 928-9311, (632) 928-9631 

Fax Number: 
 (632) 928-9631

ENGINEERING DEPARTMENT

Lydia S. Esguerra

 Department Manager

 Email Address: ed@nia.gov.ph

 Telephone Number: (632) 926-7678 

 Fax Number: (632) 922-2328

Felipa E. Mascariñas
Reyne B. Ugay
Reynaldo L. Baloloy

Division Manager
Division Manager
Division Manager (Acting)

Construction Management
Design and Specifications
Project Planning

Email Address: ed.cmd@nia.gov.ph 
Email Address: ed.dsd@nia.gov.ph
Email Address: ed.ppd@nia.gov.ph

Telephone Number: (632) 925-4614
Telephone Number: (632) 921-0018, (632) 929-8944
Telephone Number: (632) 926-7678

OPERATIONS DEPARTMENT

 Delsy J. Revellame

Department Manager (Acting)

Email Address: od@nia.gov.ph

 Telephone Number: (632) 928-4254 

 Fax Number: (632) 928-4254

Leo L. Gallego
Elisa C. Ragudo
Wilhelm S. Tiangco
-

Division Manager (Acting)
Division Manager (Acting)
Division Manager
Division Manager

Institutional Development
Systems Management
Equipment Management
Irrigation Engineering Center

Email Address: centralidd@yahoo.comod.idd@nia.gov.ph 
Email Address: od.smd@nia.gov.ph 
Email Address: od.emd@nia.gov.ph
Email Address: od.iec@nia.gov.ph

Telephone Number: (632) 927-7802
Telephone Number: (632) 928-4130, (632) 925-8556
Telephone Number: (632) 928-4254
Telephone Number: (632) 920-5409

OFFICE OF THE DEPUTY ADMINISTRATOR FOR ADMINISTRATIVE AND FINANCE SECTOR

Romeo G. Gan
Deputy Administrator

Email Address:
 deputy.afs@nia.gov.ph

Telephone Number:
 (632) 926-2388, (632) 926-2165 

Fax Number: 
 (632) 926-2165

ADMINISTRATIVE DEPARTMENT

Ailyne C. Agtuca-Selda

 Department Manager

 Email Address: ad@nia.gov.ph 

 Telephone Number: (632) 922-4768, (632) 926-3169 

 Fax Number: (632) 921-3906

-
Wilhelm S. Tiangco
Eusebio S. Villamanto
Catherine DC Binag
Eusebio S. Villamanto

Division Manager
Division Manager (Acting)
Division Manager (Acting)
Medical Officer IV
Chief Security Officer (Acting)

Human Resources
Procurement and Property
General Services
Medical and Dental Services
Civil Security Affairs

Email Address: ad.hrd@nia.gov.ph
Email Address: ad.ppd@nia.gov.ph
Email Address: ad.gsd@nia.gov.ph
Email Address: ad.mds@nia.gov.phcdcbinag@yahoo.com
Email Address: ad.csa@nia.gov.ph

Telephone Number: (632) 926-1996
Telephone Number: (632) 926-2066, (632) 926-3169
Telephone Number: (632) 928-9207
Telephone Number: (632) 928-4642
Telephone Number: (632) 922-4768

FINANCIAL MANAGEMENT DEPARTMENT

 Editha D. Morales

 Department Manager

 Email Address: fmd@nia.gov.ph 

 Telephone Number: (632) 928-9245, (632) 922-2474, (632) 922-2330

 Fax Number: (632) 926-9852

Elizabeth A. Benzon
Sylvia L. Leaño
Louella R. Mercado

Division Manager (Acting)
Division Manager (Acting)
Division Manager (Acting)

Accounting
Budget and Revenue
Cash

Email Address: fmd.ad@nia.gov.ph 
Email Address: fmd.brd@nia.gov.ph 
Email Address: fmd.cd@nia.gov.ph

Telephone Number: (632) 928-9245, (632) 926-9852
Telephone Number: (632) 922-2474
Telephone Number: (632) 921-3891