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

Otolaryngology

Chetan S. Nayak, MD

Works at hospitals in Allentown, PA · Macungie, PA · East Stroudsburg, PA … · Pennsylvania

Summary

Dr. Chetan S. Nayak, MD is an ENT doctor at 1200 S Cedar Crest Blvd, Allentown, PA 18103. Phone: (610) 402-8355. Accepts Medicare assignment. In 2024, Chetan S. Nayak had 347 Original Medicare patients and 920 services. NPI 1669505046. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Chetan S. Nayak, 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 Chetan S. Nayak accept Medicare assignment?
Yes. Medicare's clinician data says Chetan S. Nayak 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 Chetan S. Nayak see?
In 2024, CMS data shows 347 Original Medicare patients and 920 services for Chetan S. Nayak. This counts Original Medicare only and measures volume, not quality.
What is Chetan S. Nayak's NPI number?
1669505046. 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 Chetan S. Nayak, 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 patients347
Services billed to Medicare920
Different services or procedures95
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)145 services
  2. Diagnostic exam of voice box using a flexible endoscope (31575)139 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)70 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)52 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)49 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%
  • Arthritis48%
  • Ischemic heart disease35%
  • Chronic kidney disease33%
  • Anxiety30%

Hospitals where Chetan S. Nayak works

Medicare's Facility Affiliation Data lists Chetan S. Nayak 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.

Practice locations

Addresses where Chetan S. Nayak is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

  • 1200 S Cedar Crest BlvdAllentown, PA 18103
  • 1200 S Cedar Crest Blvd 3rd Fl Kasych, Lvpg Burn SurgeryAllentown, PA 18103 (610) 402‑8355
  • 1200 S Cedar Crest Blvd Fl, 1 Lvpg NephrologyAllentown, PA 18103 (610) 402‑8510
  • 1210 S Cedar Crest BlvdAllentown, PA 18103 (610) 402‑3888
  • 1240 S Cedar Crest Blvd, 305 Lvpg Hematology OncologyAllentown, PA 18103 (610) 402‑9050

Group practices

Medicare enrollment lists Chetan S. Nayak as a member of this group (CMS data updated October 2, 2026).

  • Lehigh Valley Physician Group2,542 clinicians in the group

Specialties

Find other Otolaryngology doctors in Pennsylvania →

Other ENT doctors in Allentown

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

All ENT doctors in Allentown →

Other clinicians in Lehigh Valley Physician Group

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

Clinician information

CredentialMD
Medical schoolTemple University School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669505046
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