Built on the authoritative federal record

The primary sources, named on every page.

These are the federal agencies whose public datasets Fonteum ingests and attributes — the issuing authorities, not customers or partners. Every figure on the site links back to one of them.

CMS
HHS-OIG
HRSA
FDA
NLM
NUCC
Census
BLS
BEA

See the full source registry, with license and refresh cadence for each →

Reproducible by design

Every figure traces to its federal source.

14-tuple provenance

Every rendered fact ties to a source URL, dataset ID, snapshot date, row key, and SHA-256 — the full chain-of-custody record.

Reproducible SQL

Each study ships the exact query behind its figures, run against the cited federal snapshot. Re-run it yourself.

Daily count checks

Published counts are checked against the upstream federal datasets on a daily cadence, with drift logged.

Named medical review

Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

Read the full provenance and attestation methodology →

Two doors

Use the free API and open data

Query providers, facilities, sanctions, and quality scores — each field carrying its federal source. Self-serve, no call to start.

Explore the API →Browse the data catalog →

Talk to us

Managed pilots, enterprise terms, and audit-ready, signed attestation packages for compliance, risk, and research teams.

Talk to us →

Request access

Efrem Mandelcorn — NPI 1003045170: exclusion status

PROVIDER PROFILE · NPI 1003045170

Efrem Mandelcorn

Name: Provider record — NPI 1003045170 (Efrem Mandelcorn)
Creator: Fonteum
License: https://www.usa.gov/government-works

ophthalmologist · Miami, FL · resolved across 2 federal sources

Live point-in-time card →Methodology

No OIG exclusion

Efrem Mandelcorn (NPI 1003045170) is a ophthalmologist in Miami, FL, resolved across 2 federal sources. No OIG or state Medicaid exclusion is on record (federal LEIE plus NY, OH, GA, PA, NC checked). Each field below carries the federal source and the snapshot date it came from.

Cross-source identity

One NPI across the federal graph

National Provider Identifier 1003045170 as it appears in every federal dataset Fonteum holds. Each row is a distinct public source; the chip carries the source and the snapshot date behind that field — the record-level form of the source-provenanced graph.

NPPES

Federal sources carrying NPI 1003045170
Federal source	Key	What it provides	Provenance

Methodology · Corrections log · Editorial policy

CMS NPPES	NPI 1003045170	Registry identity — ophthalmologist, taxonomy 207W00000X	Source:CMS NPPESSnapshot 2026-05-06
Fonteum entity graph	entity 408cc0cc…	Canonical resolved node · 1 identifier(s) · 0 edge(s)	Source:Entity graphSnapshot 2026-06-11

Efrem Mandelcorn

One NPI across the federal graph

MIPS quality score

Standing

Graph relationships

History & time-travel

Efrem Mandelcorn

One NPI across the federal graph

Compliance posture

MIPS quality score

Standing

Graph relationships

History & time-travel

Context for this record