Contract HHSN271201600001C

Westat, Inc. · Department Of Health And Human Services · September 2, 2021

Cost Plus Fixed FeeFull & Open CompetitionNAICS 541712

Westat, Inc. was awarded a federal contract by Department Of Health And Human Services (National Institutes Of Health) on September 2, 2021 for $505.25 million (current value) of work in research and development in the physical, engineering, and life sciences (except biotechnology). Performance is in Rockville, MD. It was awarded under full and open competition. The contract has been modified 7 times since the base award It uses cost-plus contract pricing. The most recent modification was on March 24, 2026. If all options are exercised, the contract could reach $960.16 million.

Current value
$505.25M
Potential value
$960.16M
if all options exercised
Modifications
7
Latest March 24, 2026

Contract details

PIID
HHSN271201600001C
Award type
Definitive Contract
Pricing
Cost Plus Fixed Fee
Set-aside
No Set Aside Used.
Competition
Full And Open Competition
NAICS
541712 · Research And Development In The Physical, Engineering, And Life Sciences (Except Biotechnology)
Product / service
Health R&D Services; Health Care Services; Basic Research
Place of performance
Rockville, MD
First action
September 2, 2021
Latest action
March 24, 2026

Description

THE POPULATION ASSESSMENT OF TOBACCO AND HEALTH (PATH) STUDY. PERIOD OF PERFORMANCE: 12/1/2023 - 11/30/2028. N01DA-16-5582.

Modification timeline

  • March 24, 2026
    Mod P00058 · Other Administrative Action
    $505.25M
  • September 8, 2025
    Mod P00057 · Other Administrative Action
    $505.25M
  • July 11, 2025
    Mod P00056 · Funding Only Action
    $505.25M
  • August 15, 2024
    Mod P00054 · Funding Only Action
    $506.19M
  • September 30, 2022
    Mod P00044 · Supplemental Agreement For Work Within Scope
    THE POPULATION ASSESSMENT OF TOBACCO AND HEALTH (PATH) STUDY. PERIOD OF PERFORMANCE: 04/01/2016-11/30/2026. N01DA-16-5582.
    $436.26M
  • September 23, 2021
    Mod P00038 · Funding Only Action
    THE POPULATION ASSESSMENT OF TOBACCO AND HEALTH (PATH) STUDY. PERIOD OF PERFORMANCE: 04/01/2016-11/30/2025. N01DA-16-5582.
    $364.10M
  • September 17, 2021
    Mod P00037 · Exercise An Option
    THE POPULATION ASSESSMENT OF TOBACCO AND HEALTH (PATH) STUDY. PERIOD OF PERFORMANCE: 04/01/2016-11/30/2025. N01DA-16-5582.
    $370.06M
  • September 2, 2021
    Mod P00036 · Supplemental Agreement For Work Within Scope
    THE POPULATION ASSESSMENT OF TOBACCO AND HEALTH (PATH) STUDY. PERIOD OF PERFORMANCE: 04/01/2016-11/30/2025. N01DA-16-5582.
    $359.69M

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Frequently asked questions

What is contract HHSN271201600001C?

Contract HHSN271201600001C is a federal contract awarded to Westat, Inc. by Department Of Health And Human Services on September 2, 2021 for $505.25 million of work classified under RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY). It has been modified 7 times since the base award.

Who won contract HHSN271201600001C?

Westat, Inc. won contract HHSN271201600001C from Department Of Health And Human Services.

How much is contract HHSN271201600001C worth?

Contract HHSN271201600001C has obligated $0 to date but carries a potential ceiling of $960.16 million if fully funded and all options are exercised.