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Griffin Katz media kit
Approved bios, headshot, and speaking topics for Griffin Katz. Please use these as written. For interviews and speaking requests, email hello@griffinkatz.co.
Name and title
- Name
- Griffin Katz
- With credentials
- Griffin Katz, DHSc, MHA
- Title
- Founder and CEO, Precertif.ai
- Website
- griffinkatz.co
- Please note
- Use “Griffin Katz” on first reference and “Griffin” after that, not “Katz.” Please don't add “Dr.”
Official bios
Short bio (about 50 words)
Griffin Katz, DHSc, MHA, is a healthcare revenue-cycle executive, published health scientist, and the founder and CEO of Precertif.ai, an AI platform that predicts and prevents medical claim denials. He previously led denials management at NYC Health + Hospitals and advised health systems at Guidehouse. Based in San Diego.
Medium bio (about 110 words)
Griffin Katz, DHSc, MHA, is a healthcare revenue-cycle executive and health scientist based in San Diego, California, and the founder and CEO of Precertif.ai, which scores medical claims for denial risk before submission and drafts regulation-backed appeal letters. He is also the founder and CEO of Medformics, a healthcare technology company. Earlier, at NYC Health + Hospitals, Griffin led a system-wide denials-management initiative that cut denial rates 27% in six months and helped recover more than $7.7 million, then advised $1B+ health systems as a senior healthcare consultant at Guidehouse. Griffin holds a DHSc from Touro University California, an MHA from NYU Wagner, and HFMA's CHFP and CRCR certifications.
Long bio (about 220 words)
Griffin Katz, DHSc, MHA, is a healthcare revenue-cycle executive, health scientist, and entrepreneur based in San Diego, California. He is the founder and CEO of Precertif.ai, an AI platform that scores every medical claim for denial risk before it is submitted and generates regulation-backed appeal letters, and the founder and CEO of Medformics, a healthcare technology company focused on AI-driven clinical and financial decision support.
Griffin's career spans the operational core of healthcare finance. At NYC Health + Hospitals, the largest municipal health system in the United States, he designed and led a system-wide denials-management initiative that reduced denial rates 27% in six months, helped recover more than $7.7 million in lost revenue, and raised billing accuracy from 87% to 98%. At Guidehouse, he led revenue-cycle analytics for a $1B+ multi-system health care client, reducing accounts-receivable days by 31%.
Griffin is also a published researcher, with a sole-author systematic review and meta-analysis of GLP-1 receptor agonists in Hormone and Metabolic Research (2025) and a co-authored Methods in Enzymology paper cited more than 220 times. He holds a Doctor of Health Science from Touro University California, a Master of Health Administration from NYU's Robert F. Wagner Graduate School of Public Service, and a B.S. from the University of Michigan, along with HFMA's CHFP, CRCR, CSBI, and CSPR certifications.
Headshot
High-resolution headshot of Griffin Katz for editorial use: download (JPG). Please credit as “Courtesy of Griffin Katz.”
Speaking and interview topics
- Stopping denials before they start. Where AI actually helps the revenue cycle, and where it doesn't.
- What independent medical review decisions reveal. Patterns in medical-necessity denials and overturns across payers and states.
- Prior authorization after CMS-0057-F. What providers should prepare for as payer API and decision-time rules take effect.
- Building a denials program inside a large public health system. Lessons from NYC Health + Hospitals.