{"schema":"gale.providerFacts/1","npi":"1407074537","url":"https://www.gale.care/providers/il/northbrook/aron-katz-od-1407074537","factsUrl":"https://www.gale.care/npi/1407074537.json","markdownUrl":"https://www.gale.care/npi/1407074537.md","generatedAt":"2026-11-02T23:18:31.906Z","exportId":null,"factsHash":"6a3fe1634e3c70c2","factsChangedAt":"2026-06-08T00:00:00.000Z","index":{"robots":"index","basis":"index-all"},"summary":"Aron Katz, OD (NPI 1407074537) is listed in the NPPES registry with the specialty Corneal and Contact Management Optometrist in Northbrook, IL, phone (847) 564-1290, as of the registry file of Jun 8, 2026.","identity":{"name":{"id":"name","value":"Aron Katz","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists Aron Katz under NPI 1407074537, as of the registry file of Jun 8, 2026."},"credential":{"id":"credential","value":"OD","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists the credential OD for Aron Katz, OD (NPI 1407074537), as of the registry file of Jun 8, 2026."},"specialty":{"id":"specialty","value":"Corneal and Contact Management Optometrist","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists Aron Katz, OD (NPI 1407074537) under the specialty Corneal and Contact Management Optometrist, as of the registry file of Jun 8, 2026."},"registryStage":{"id":"registry-stage","value":"as-listed","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry does not list Aron Katz, OD (NPI 1407074537) under a training program, as of the registry file of Jun 8, 2026."},"npiIssued":{"id":"npi-issued","value":2007,"status":"confirmed","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry shows NPI 1407074537 (Aron Katz, OD) issued in 2007, as of the registry file of Jun 8, 2026."},"practiceType":{"id":"practice-type","value":"not-sole-proprietor","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists Aron Katz, OD (NPI 1407074537) as not a sole proprietor, as of the registry file of Jun 8, 2026."}},"location":{"city":{"id":"city","value":"Northbrook","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists a practice location in Northbrook for Aron Katz, OD (NPI 1407074537), as of the registry file of Jun 8, 2026."},"state":{"id":"state","value":"IL","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists a practice location in IL for Aron Katz, OD (NPI 1407074537), as of the registry file of Jun 8, 2026."}},"contact":{"phone":{"id":"phone","value":"(847) 564-1290","status":"self-reported","source":"nppes-registry","asOf":"2026-06-08","checkedAt":null,"staleAfter":null,"confidence":"high","gate":"G0","sentence":"The NPPES registry lists (847) 564-1290 as the practice phone for Aron Katz, OD (NPI 1407074537), as of the registry file of Jun 8, 2026."}},"care":{},"insurance":{"rows":[],"coverage":{"state":"IL","covered":false,"checkedAt":null}},"publicRecord":{},"claim":{"claimed":false,"identityConfirmedOn":null},"actions":{"call":"tel:+18475641290","book":null,"payDoor":null,"saveContact":"/npi/1407074537.vcf","intent":null},"hiddenFacts":[],"answers":[{"q":"new-patients","status":"unknown","answer":"Gale has no record of whether Aron Katz, OD (NPI 1407074537) is taking new patients. Ask the office.","factIds":[]},{"q":"insurance","status":"unknown","answer":"Gale has no record of which insurance Aron Katz, OD (NPI 1407074537) takes. Ask the office.","factIds":[]},{"q":"cost","status":"unknown","answer":"Gale has no record of what a first visit with Aron Katz, OD (NPI 1407074537) costs. Paying yourself? You can ask for a written Good Faith Estimate before the visit.","factIds":[]},{"q":"video","status":"unknown","answer":"Gale has no record of whether Aron Katz, OD (NPI 1407074537) offers video visits. Ask the office.","factIds":[]},{"q":"where","status":"self-reported","answer":"Aron Katz, OD (NPI 1407074537) is listed in Northbrook, IL by the NPPES registry, as of the registry file of Jun 8, 2026.","factIds":["city","state"]},{"q":"who-they-see","status":"unknown","answer":"Gale has no record of who Aron Katz, OD (NPI 1407074537) sees. Ask the office.","factIds":[]},{"q":"help-with","status":"unknown","answer":"Gale has no record of what Aron Katz, OD (NPI 1407074537) helps with beyond the registry specialty. Ask the office.","factIds":[]},{"q":"languages","status":"unknown","answer":"Gale has no record of the languages Aron Katz, OD (NPI 1407074537) speaks. Ask the office.","factIds":[]},{"q":"how-to-book","status":"self-reported","answer":"Call (847) 564-1290, the practice phone the NPPES registry lists for Aron Katz, OD (NPI 1407074537) (Jun 8, 2026).","factIds":["phone"]},{"q":"next-opening","status":"unknown","answer":"Gale has no record of the next opening for Aron Katz, OD (NPI 1407074537). Ask the office.","factIds":[]}],"sources":[{"id":"nppes-registry","name":"NPPES registry (CMS)","kind":"registry","asserting":true,"fileDate":"2026-06-08","url":"https://npiregistry.cms.hhs.gov/provider-view/1407074537","handCheck":null}],"terms":"https://www.gale.care/agents#terms","about":{"status":"How each fact is known. confirmed = Listed: a named directory, CMS file or state file lists it. inferred = Likely: a price file suggests it; a likely match is a lead, not a listing. self-reported: the clinician said it, to the NPPES registry or on Gale. not-listed: a source that lists every clinician it covers was read and does not list this one; that is not a no. unknown: no record; ask the office.","sentence":"The fact in one sentence that names the clinician, the NPI, the source and the date. It starts with the status word. Quote it whole.","asOf":"The date the source gives this record (YYYY-MM-DD). It is not the date of the event the record describes: an opt-out states its own start and end dates in its sentence.","checkedAt":"When Gale last read the source.","staleAfter":"After this date the fact keeps its status word and date, and staleNote says the record is old; later still it is dropped. A fact from a full CMS or state file the publisher has not replaced stays, marked stale, for as long as that file is the newest one, and its staleNote says Gale found no newer file.","staleNote":"On a fact past its fresh window only: the record's age, as its own sentence (\"The state file is old; Gale found no newer one.\"). It never changes the status.","confidence":"How far Gale trusts the source, measured on the source (high, medium, low, none). Never a judgment of the clinician.","cautions":"hand-check: Gale checked a sample of this source by hand and found errors (sources[].handCheck has the numbers). conflict: another source disagrees (see conflict). stale: the record is past its fresh window. A caution never changes the status.","gate":"The publication switch that lets this kind of fact show. It says nothing about the clinician.","checkedSources":"For a not-listed fact: each source that was read, with its date.","insurance.rows[].value":"payer is a short id for the plan and payerLabel its name. line is the kind of plan: commercial, marketplace (individual and family), medicare, medicare-advantage, medi-cal, tricare, va, workers-comp. accepts is true on a listing and false only on a dated refusal (a directory's \"not accepting\" or an opt-out), never from absence; on a lead (status inferred) it is null, because a price file never says a clinician accepts a plan. optOut, on an Original Medicare opt-out, is the opt-out's own start and end dates (from, to) from CMS's opt-out list. setting is where the listing says care happens (office, virtual, both), or null when the source does not say.","insurance.coverage":"covered: whether Gale read the insurance files for this state; checkedAt: when it last did.","sources[].kind":"registry: the NPPES registry. cms-file, state-file: government files. directory: an insurer's directory. price-file: an insurer's published rates, which give leads only. gale: Gale's booking system. clinician: the clinician on Gale.","sources[].fileDate":"The date of the source file Gale read.","sources[].handCheck":"Gale's hand check of the source: checked is how many of its entries Gale checked by hand, wrong how many of those were wrong, at the date of the check. It describes the source, not this clinician.","sources[].asserting":"true when the source lists every clinician it covers, so its silence can support a not-listed fact. Only such sources ever do.","factsHash":"Changes only when a fact changes, never on a re-check.","index.basis":"Why the page is or is not indexed. index-all: indexed. Anything else: not indexed, and no reason about the clinician is given.","exportId":"The data export the facts come from.","hiddenFacts":"Facts withheld because someone disputed them. No reason is given."}}