What Nevvi is

Nevvi answers a specific, practical question: for any Medicare procedure, in any state, which physician groups do the most of it — what they charge, how their volume has moved over the last five years, whether they're hospital-affiliated or independent, and their contact details. It's open to search, and deeper analysis available to subscribers.

Everything you see is drawn from data the U.S. government already publishes. Nevvi's job is to make it findable, consistent, and current — not to invent numbers on top of it.

How it's built

We ingest official CMS releases — the Medicare Physician & Other Practitioners file (Part B), the Doctors & Clinicians affiliation and roster files, and Medicare enrollment — and resolve them into a single provider-and-group graph. A plain-English search box translates a question ("who does the most heart valve replacements in Texas?") into the right CPT®/HCPCS codes, and a twelve-year trend layer shows how each market has shifted. The full sourcing, coverage, and caveats live on our Methods & Sources page.

Independent by design

Nevvi is an independent product. It is not affiliated with, endorsed by, or sponsored by CMS or HHS. The underlying data is public and belongs to CMS; the compilation, the code-translation, the rankings, and the way it's presented here are ours. That independence matters: because Nevvi is tied to no data vendor and no health system, nothing here is shaped to fit a vendor's dataset or a hospital's interests — only what the public record shows.

Transparency

We show our work. Every figure traces back to a named CMS release with its vintage, and the limits of the data — Medicare data only (fee-for-service for procedure and hospital figures; Part D drug-plan claims, Medicare Advantage plans included, for prescribing figures), small-count suppression, submitted charges rather than payments — are stated plainly rather than buried. If a number looks off, you should be able to see exactly where it came from. That's covered in detail under Methods & Sources.

Who it's for

Commercial, strategy, and corporate development teams in medical devices, diagnostics, and health services who need to know where procedure volume actually sits — and lean teams that need the answer without standing up a data-vendor contract.

Get in touch

Questions, corrections, or just curious: get in touch.