Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Chandler E. Zalik, NP

Works at hospitals in Allentown, PA · Pennsylvania

Summary

Chandler E. Zalik, NP is a nurse practitioner at 1250 S Cedar Crest Blvd, 400 Lvpg Neurosurgery, Allentown, PA 18103. Phone: (610) 402-6555. Accepts Medicare assignment. In 2024, Chandler E. Zalik had 201 Original Medicare patients and 385 services. NPI 1154081800. 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: Nurse practitioner
  • Address: 1250 S Cedar Crest Blvd, 400 Lvpg Neurosurgery, Allentown, PA 18103 · Directions (1 more location)
  • Phone: (610) 402‑6555
  • Medicare: Accepts Medicare assignment
  • Hospital: Lehigh Valley Hospital
  • Group practice: Lehigh Valley Physician Group
  • School: graduated 2021
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Chandler E. Zalik, 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 Chandler E. Zalik accept Medicare assignment?
Yes. Medicare's clinician data says Chandler E. Zalik 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 Chandler E. Zalik see?
In 2024, CMS data shows 201 Original Medicare patients and 385 services for Chandler E. Zalik. This counts Original Medicare only and measures volume, not quality.
What is Chandler E. Zalik's NPI number?
1154081800. 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 Chandler E. Zalik, 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 patients201
Services billed to Medicare385
Different services or procedures14
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Critical care, first 30-74 minutes (99291)145 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)126 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)50 services
  4. Critical care, each additional 30 minutes (99292)19 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)11 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%
  • Stroke or mini-stroke75%
  • Ischemic heart disease54%
  • Arthritis53%
  • Chronic kidney disease52%

Hospitals where Chandler E. Zalik works

Medicare's Facility Affiliation Data lists Chandler E. Zalik 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.

  • Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390133

Practice locations

Addresses where Chandler E. Zalik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chandler E. Zalik as a member of this group (CMS data updated October 2, 2026).

  • Lehigh Valley Physician Group2,542 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Pennsylvania →

Other nurse practitioners in Allentown

Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.

All nurse practitioners in Allentown →

Other clinicians in Lehigh Valley Physician Group

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

Clinician information

CredentialNP
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154081800
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