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Pulmonary Disease

Juan R. Herena, MD

Works at hospitals in Arlington Heights, IL · Illinois

Summary

Dr. Juan R. Herena, MD is a pulmonologist at 1200 W Algonquin Rd, Palatine, IL 60067. Phone: (847) 618-0535. Accepts Medicare assignment. In 2024, Juan R. Herena had 1,046 Original Medicare patients and 2,349 services. NPI 1922167162. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pulmonologist (Medicare lists Pulmonary Disease)
  • Address: 1200 W Algonquin Rd, Palatine, IL 60067 · Directions (4 more locations)
  • Phone: (847) 618‑0535
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwest Community Hospital 1
  • Group practice: Endeavor Health Medical Group
  • Medical school: graduated 1988 (38 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Juan R. Herena, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Juan R. Herena accept Medicare assignment?
Yes. Medicare's clinician data says Juan R. Herena accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Juan R. Herena see?
In 2024, CMS data shows 1,046 Original Medicare patients and 2,349 services for Juan R. Herena. This counts Original Medicare only and measures volume, not quality.
What is Juan R. Herena's NPI number?
1922167162. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Juan R. Herena, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,046
Services billed to Medicare2,349
Different services or procedures35
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)694 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)503 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)227 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)187 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)151 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis57%
  • Ischemic heart disease49%
  • COPD46%
  • Diabetes39%

Hospitals where Juan R. Herena works

Medicare's Facility Affiliation Data lists Juan R. Herena at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140252

Practice locations

Addresses where Juan R. Herena is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Juan R. Herena as a member of this group (CMS data updated October 2, 2026).

  • Endeavor Health Medical Group3,350 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Illinois →

Other pulmonologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All pulmonologists in Illinois →

Other clinicians in Endeavor Health Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922167162
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians