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index.js
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index.js
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const rp = require('request-promise'),
cheerio = require('cheerio'),
_ = require('lodash'),
fs = require('fs'),
json2xls = require('json2xls');
const limit = 0 || Number.MAX_SAFE_INTEGER;
const npis = require('./npis.json'),
taxonomyCatalog = _.keyBy(require('./taxonomies.json'), 'number');
const taxonomyRegexp = /(^[A-Z0-9]{9}X\s{1})-?(.*$)/g,
bodyRegexp = /(?:<body>)([\s\S]*)(?:<\/body>)/gmi;
let csvHeaders = null;
const crawlNpiPages = async () => {
const npiExtracts = [];
const errors = [];
let index = 0;
for (const npi of npis) {
if (++index > limit) continue;
// if (npi !== 1669591962) continue;
const url = `https://npiregistry.cms.hhs.gov/registry/provider-view/${npi}`;
try {
let options = {
uri: url,
transform: function (body) {
return cheerio.load(body);
}
};
const $ = await rp(options);
if (is404Page($)) {
errors.push({
npi: npi,
error: '404 Page Not Found',
});
console.error(url, 404);
continue;
} else {
const npiExtract = processPage($);
npiExtracts.push(formatNpiExtractOutput(npiExtract));
console.log(url, npiExtract.name);
}
await sleep(500);
} catch(err) {
errors.push({
npi: npi,
error: err,
});
console.error(url, err);
}
}
await saveAsJsonFile(npiExtracts, 'output');
saveAsXslFile(npiExtracts, 'output');
await saveAsJsonFile(errors, 'errors');
saveAsXslFile(errors, 'errors');
// await saveAsCsvFile(csvHeaders, npiExtracts, 'output');
console.log('Done!');
};
function is404Page($) {
return $('#508focusheader').text().replace(/\s+/gmi, ' ') === '404 Page Not Found';
}
function processPage($) {
const npiExtract = {
npi: null,
primaryTaxonomy: null,
primaryTaxonomyExtended: null,
// name
name: null,
gender: null,
lastUpdated: null,
// details
enumerationDate: null,
npiType: null,
soleProprietor: null,
status: null,
mailingAddress: null,
primaryPracticeAddress: null,
taxonomy: null,
otherIdentifiers: null,
};
$body = $('body');
let $content = $body.find('#top > .text > .container.well.span6');
let $sections = $content.children().map((index, el) => $(el));
// content.children().each((index, el) => {
// console.log(el);
// });
/**
* Name and gender
*/
let $nameSection = $sections[0],
$nameBlock = $nameSection.find('> div:nth-child(2)');
const labels = [
'Gender:',
'NPI:',
'Last Updated:',
'Other Name:',
'Doing Business As:',
'Organization Subpart:',
];
let nameBlock = $nameBlock.text().replace(/[\n\r]+/gmi, '').replace(/\s+/gmi, ' ');
let splitNameBlock = nameBlock.split(new RegExp(`(${labels.join('|')})`, 'i'));
for(let i=0; i<splitNameBlock.length; i++) {
let item = splitNameBlock[i];
switch(item.toLowerCase()) {
case 'gender:':
case 'npi:':
case 'last updated:':
case 'other name:':
case 'doing business as:':
case 'organization subpart:':
let pascalCaseKey = _.camelCase(item);
npiExtract[pascalCaseKey] = splitNameBlock[++i].trim();
break;
default:
if (item.trim() !== '') {
npiExtract.name = item.trim();
}
break;
}
}
// console.log(npiExtract);
/**
* Details
*/
let $detailsSection = $sections[2],
$header = $detailsSection.find('> h2');
if ($header.text() === 'Details') {
let $detailsTableRows = $detailsSection.find('> table > tbody > tr').map((index, el) => $(el));
$detailsTableRows.each((index, $row) => {
let lowerCaseKey = $row.children(':nth-child(1)').text().toLowerCase(),
pascalCaseKey = _.camelCase($row.children(':nth-child(1)').text()),
$contentCell = $row.children(':nth-child(2)'),
content = $contentCell.text();
switch(lowerCaseKey) {
case 'npi':
case 'enumeration date':
case 'npi type':
case 'sole proprietor':
case 'status':
npiExtract[pascalCaseKey] = content.replace(/\s{2,}\n?\r?/gm, '').trim();
break;
case 'mailing address':
case 'primary practice address':
case 'secondary practice address':
npiExtract[pascalCaseKey] = parseAddress($contentCell, $);
break;
case 'authorized official information':
npiExtract[pascalCaseKey] =
content.replace(/\s{2,}\n?\r?/gm, '\t')
.trim()
.replace(' View Map', '');
break;
case 'taxonomy':
let taxonomies = parseTaxonomy($row.find('table'), $);
npiExtract[pascalCaseKey] = taxonomies;
if (taxonomies.length > 0 && taxonomies[0]['primaryTaxonomy'].replace(/\s*/g, '') === 'Yes') {
npiExtract['primaryTaxonomy'] = taxonomies[0];
npiExtract['primaryTaxonomyExtended'] = taxonomyCatalog[taxonomies[0].number.number];
}
break;
case 'other identifiers':
npiExtract[pascalCaseKey] = content;
break;
}
});
}
// console.log(npiExtract.taxonomy);
return npiExtract;
}
async function saveAsJsonFile(content, fileName) {
return new Promise((res, rej) => {
let fileContent = JSON.stringify(content);
fs.writeFile(`./${fileName}.json`, fileContent, function(err) {
if (err) rej(err)
else res()
});
})
}
async function saveAsCsvFile(headers, objectList, fileName) {
const delimiter = ';';
return new Promise((res, rej) => {
// let fileContent = "data:text/csv;charset=utf-8;sep=;,";
let fileContent = '';
let headerRow = headers.join(delimiter);
fileContent += headerRow + "\r\n";
objectList.forEach(function(item){
let row = _.values(item).join(delimiter);
fileContent += row + "\r\n";
});
fs.writeFile(`./${fileName}.csv`, fileContent, function(err) {
if (err) rej(err)
else res()
});
})
}
function saveAsXslFile(content, fileName) {
var xls = json2xls(content);
fs.writeFileSync(`./${fileName}.xlsx`, xls, 'binary');
}
function parseTaxonomy($table, $) {
let taxonomy = [];
let $theadCells = $table.find('> thead > tr > th'),
$tbodyRows = $table.find('> tbody > tr');
// console.log($theadCells.length, $tbodyRows.length)
$tbodyRows.each((rowIndex, row) => {
let taxonomyItem = {};
let $cells = $(row).find('> td');
$cells.each((cellIndex, cell) => {
let key = $($theadCells[cellIndex]).text();
let pascalCaseKey = _.camelCase(key);
// taxonomyItem[pascalCaseKey] =
// $(cell).text().replace(/\s{2,}\n?\r?/gm, ' ')
// .trim();
taxonomyItem[pascalCaseKey] = $(cell).text();
if (pascalCaseKey === 'selectedTaxonomy') {
const taxonomyNumber = parseSelectedTaxonomy(taxonomyItem[pascalCaseKey]);
taxonomyItem.number = taxonomyNumber;
}
});
taxonomy.push(taxonomyItem);
});
return taxonomy;
}
function parseSelectedTaxonomy(selectedTaxonomy) {
const taxonomyNumber = {
number: null,
field: null,
groupNumber: null,
group: null,
};
const splitValue = selectedTaxonomy.split('\n')
.map((line) => line.replace(/\s{2,}/g, ' ').trim())
.filter((line) => line !== '');
if (splitValue.length === 1) {
const regexpResult = applyTaxonomyRegexp(splitValue[0])
if (regexpResult.number !== null) {
taxonomyNumber.number = regexpResult.number;
taxonomyNumber.field = regexpResult.field;
}
}
if (splitValue.length === 2) {
let regexpResult = applyTaxonomyRegexp(splitValue[0])
if (regexpResult.groupNumber !== null) {
taxonomyNumber.groupNumber = regexpResult.number;
taxonomyNumber.group = regexpResult.field;
}
regexpResult = applyTaxonomyRegexp(splitValue[1])
if (regexpResult.number !== null) {
taxonomyNumber.number = regexpResult.number;
taxonomyNumber.field = regexpResult.field;
}
}
return taxonomyNumber;
}
function applyTaxonomyRegexp(selectedTaxonomy) {
const taxonomyNumber = {
number: null,
field: null,
};
taxonomyRegexp.lastIndex = 0;
let matches = taxonomyRegexp.exec(selectedTaxonomy);
if (matches !== null && matches.length > 0) {
taxonomyNumber.number = matches[1].trim();
taxonomyNumber.field = matches[2].trim();
}
return taxonomyNumber;
}
function parseContactInfo(contactInfo) {
const info = {
// address: null,
phone: null,
fax: null,
}
const splitInfo = contactInfo.split(/(Phone:|Fax:)/);
for(let i=0; i<splitInfo.length; i++) {
let item = splitInfo[i];
switch(item.toLowerCase()) {
case 'phone:':
case 'fax:':
let pascalCaseKey = _.camelCase(item);
info[pascalCaseKey] = splitInfo[++i].replace('|', '').trim();
break;
default:
// info.address = splitInfo[i];
break;
}
}
return info;
}
function parseAddress($td, $) {
const address = {
line1: null,
line2: null,
line3: null,
contactInfo: null,
};
$td.contents().each((nodeIndex, node) => {
switch (nodeIndex) {
case 0:
if (node.type === "text") {
address.line1 = node.data.replace(/\s{2,}\n?\r?/gm, ' ').trim();
}
break;
case 2:
if (node.type === "text") {
address.line2 = node.data.replace(/\s{2,}\n?\r?/gm, ' ').trim();
}
break;
case 4:
if (node.type === "text") {
address.line3 = node.data.replace(/\s{2,}\n?\r?/gm, ' ').trim();
}
break;
case 7:
if (node.type === "text") {
address.contactInfo = parseContactInfo(node.data.replace(/\s{2,}\n?\r?/gm, '\t').trim());
}
break;
default:
break;
}
});
return address;
}
function formatNpiExtractOutput(npiExtract) {
// return npiExtract;
// Name
// Gender
// Primary practice address
// Phone number
// Fax Number
// Taxonomy Code
// Taxonomy Specialty
// State
// License number
// "primaryTaxonomyNumber": "363LF0000X",
// "primaryTaxonomyExtended": {
// "number": "363LF0000X",
// "name": "Family",
// "definitionUrl": "http://codelists.wpc-edi.com/nucc_properties.asp?IndexID=7937"
// },
// "primaryTaxonomy": {
// "primaryTaxonomy": "Yes",
// "selectedTaxonomy": "363LF0000X - Nurse Practitioner Family",
// "number": "363LF0000X",
// "state": "NC",
// "licenseNumber": "5008527"
// }
// console.log(npiExtract)
if (_.isEmpty(npiExtract.primaryTaxonomy)) {
throw 'No primary taxonomy';
}
const output = {
npi: npiExtract.npi,
name: npiExtract.name,
gender: npiExtract.gender,
taxonomyGroupNumber: npiExtract.primaryTaxonomy.number.groupNumber,
taxonomyGroup: npiExtract.primaryTaxonomy.number.group,
taxonomyNumber: npiExtract.primaryTaxonomy.number.number,
taxonomyField: npiExtract.primaryTaxonomy.number.field,
taxonomyState: npiExtract.primaryTaxonomy.state,
taxonomyLicenseNumber: npiExtract.primaryTaxonomy.licenseNumber,
taxonomyOriginalValue: npiExtract.primaryTaxonomy.selectedTaxonomy,
addressLine1: npiExtract.primaryPracticeAddress.line1,
addressLine2: npiExtract.primaryPracticeAddress.line2,
addressLine3: npiExtract.primaryPracticeAddress.line3,
phone: npiExtract.primaryPracticeAddress.contactInfo.phone,
fax: npiExtract.primaryPracticeAddress.contactInfo.fax,
}
if (_.isNil(csvHeaders)) {
csvHeaders = _.keys(output);
}
return output;
}
async function sleep(millis) {
return new Promise(function (resolve, reject) {
setTimeout(function () { resolve(); }, millis);
});
}
crawlNpiPages();